Dmr+ Service Manual

GE Healthcare

Technical Publications 2240777–1–100 Revision 2

SENOGRAPHE DMR+ sm Service Manual

do not duplicate CopyrightE 2006 by General Electric Co.

ATTENTION LES APPAREILS À RAYONS X SONT DANGEREUX À LA FOIS POUR LE PATIENT ET POUR LE MANIPULATEUR SI LES MESURES DE PROTECTION NE SONT PAS STRICTEMENT APPLIQUEES Bien que cet appareil soit construit selon les normes de sécurité les plus sévères, la source de rayonnement X représente un danger lorsque le manipulateur est non qualifié ou non averti. Une exposition excessive au rayonnement X entraîne des dommages à l’organisme. Par conséquent, toutes les précautions doivent être prises pour éviter que les personnes non autorisées ou non qualifiées utilisent cet appareil créant ainsi un danger pour les autres et pour elles–mêmes. Avant chaque manipulation, les personnes qualifiées et autorisées à se servir de cet appareil doivent se renseigner sur les mesures de protection établies par la Commission Internationale de la Protection Radiologique, Annales 60 : Recommandations de la Commission Internationale sur la Protection Radiologique et les normes nationales en vigueur.

WARNING X–RAY EQUIPMENT IS DANGEROUS TO BOTH PATIENT AND OPERATOR UNLESS MEASURES OF PROTECTION ARE STRICTLY OBSERVED Though this equipment is built to the highest standards of electrical and mechanical safety, the useful x–ray beam becomes a source of danger in the hands of the unauthorized or unqualified operator. Excessive exposure to x–radiation causes damage to human tissue. Therefore, adequate precautions must be taken to prevent unauthorized or unqualified persons from operating this equipment or exposing themselves or others to its radiation. Before operation, persons qualified and authorized to operate this equipment should be familiar with the Recommendations of the International Commission on Radiological Protection, contained in Annals Number 60 of the ICRP, and with applicable national standards.

ATENCION LOS APARATOS DE RAYOS X SON PELIGROSOS PARA EL PACIENTE Y EL MANIPULADOR CUANDO LAS NORMAS DE PROTECCION NO ESTAN OBSERVADAS Aunque este aparato está construido según las normas de seguridad más estrictas, la radiación X constituye un peligro al ser manipulado por personas no autorizadas o incompetentes. Una exposición excesiva a la radiación X puede causar daños al organismo. Por consiguiente, se deberán tomar todas las precauciones necesarias para evitar que las personas incompetentes o no autorizadas utilicen este aparato, lo que sería un peligro para los demás y para sí mismas. Antes de efectuar las manipulaciones, las personas habilitadas y competentes en el uso de este aparato, deberán informarse sobre las normas de protección fijadas por la Comisión Internacional de la Protección Radiológica, Anales No 60: Recomendaciónes de la Comisión Internacional sobre la Protección Radiológica y normas nacionales.

ACHTUNG RÖNTGENAPPARATE SIND EINE GEFAHR FÜR PATIENTEN SOWIE BEDIENUNGSPERSONAL, WENN DIE GELTENDEN SICHERHEITSVORKEHRUNGEN NICHT GENAU BEACHTET WERDEN Dieser Apparat entspricht in seiner Bauweise strengsten elektrischen und mechanischen Sichereitsnormen, doch in den Händen unbefugter oder unqualifizierter Personen wird er zu einer Gefahrenquelle. Übermäßige Röntgenbestrahlung ist für den menschlichen Organismus schädlich. Deswegen sind hinreichende Vorsichtsmaßnahmen erforderlich, um zu verhindern, daßunbefugte oder unqualifizierte Personen solche Geräte bedienen oder sich selbst und andere Personen deren Bestrahlung aussetzen können. Vor Inbetriebnahme dieses Apparats sollte sich das qualifizierte und befugte Bedienungspersonal mit den geltenden Kriterien für den gefahrlosen Strahleneinsatz durch sorgfältiges Studium des Hefts Nr. 60 der Internationalen Kommission für Strahlenschutz (ICRP) vertraut machen: Empfehlungen der Internationalen Kommission für Strahlenschutz und anderer nationaler Normenbehörden.

GE Healthcare

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TABLE OF CONTENTS CHAPTER

TITLE

PAGE

REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v LIST OF EFFECTIVE PAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii 1

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 SECTION 1 – INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 1–1

Chapter Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1

1–2

Inspection for Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1

SECTION 2 – DESCRIPTION OF DELIVERED EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . 1–1 SECTION 3 – HOW TO USE THE CONSOLE IN INSTALLATION MODE . . . . . . . . . . . . . . 1–1 3–1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1

3–2

Application and Installation modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1

3–3

Description of the Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

3–4

Accessing the Generator or Gantry Installation Mode from the Console . . . . . . . . . . . . 1–5

3–5

Installation Menu Tree Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9

3–6

Accessing the Different Installation Menus in the Tree Structure . . . . . . . . . . . . . . . . . 1–23

3–7

Saved Parameters and Checksum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–23

3–8

Re–loading of Default (Initial) Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–24

3–9

Returning to the Application Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–25

3–10

Generator Configuration Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–25

3–10–1 Gantry Present/Absent (PRS_A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–25 3–10–2 Display of Parameters Following an Exposure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–26 3–10–3 Calendar and Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–27 3–10–4 Visual Representation of Numerical Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–27 3–10–5 Visual Display of Parameter Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–28 3–10–6 Modification of a Parameter Value or Entry of a Measurement . . . . . . . . . . . . . . . . . . . 1–28 3–10–7 Entry of an Alpha–Numeric Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–29 3–11

Principles of Generator Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–30

3–11–1 Vocabulary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–30 3–11–2 Use of the First Trigger/Second Trigger Buttons During Generator Installation . . . . . . 1–30 3–11–3 Inhibit Conditions Due to Gantry Absence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–30 3–11–4 Inhibit Conditions Due to Grid Absence/Presence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–31 3–11–5 Displayed Messages During Exposure–Producing Calibration Procedures . . . . . . . . . . 1–31 3–11–6 Other Displayed Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–31 SECTION 4 – SITE PREPARATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–31 SECTION 5 – INSTALLATION STEERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–32

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TABLE OF CONTENTS (CONT.) CHAPTER 2

TITLE

PAGE

CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 SECTION 1 – INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 SECTION 2 – GENERATOR CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 SECTION 3 – GANTRY CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 SECTION 4 – AEC CALIBRATION FOR A GIVEN SCREEN PAIR . . . . . . . . . . . . . . . . . . . . 2–2 SECTION 5 – AEC CALIBRATION ON STEREOTIX 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2 SECTION 6 – RE–CALIBRATION OF REFERENCE OPTICAL DENSITY IN NON–STEREOTIX 2 MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2 SECTION 7 – CUSTOMER REQUESTED RE–CALIBRATION OF STEREOTIX 2 MODE REFERENCE OPTICAL DENSITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3

3

JOB CARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1 JOB CARD IST 001 – CALIBRATION OF HEATER CURRENT SCALE FACTOR . . . . . . . . 3–3 JOB CARD IST 002 – CALIBRATION OF X–RAY TUBE FOCAL BIAS VOLTAGE SCALE FACTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9 JOB CARD IST 003 – CALIBRATION OF X–RAY TUBE HEATER CURRENT . . . . . . . . . . 3–15 JOB CARD IST 004 – CALIBRATION OF PHOTO-CELL HV MEASUREMENT AND SCALE FACTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–19 JOB CARD IST 005 – CALIBRATION OF PHOTO CELL SENSITIVITY AS A FUNCTION OF ITS VOLTAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–23 JOB CARD IST 006 – SCREEN PAIR SELECTION AND CONFIGURATION . . . . . . . . . . . . 3–27 JOB CARD IST 007 – CALIBRATION OF PHOTO-CELL GAIN FOR A GIVEN SCREEN PAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–31 JOB CARD IST 008 – UNPACKING THE EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–51 JOB CARD IST 009 – PHYSICAL INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–55 JOB CARD IST 010 – CONNECTING THE CABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–57 JOB CARD IST 011 – CONNECTING TO THE AC SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . 3–69 JOB CARD IST 012 – LINE RESISTANCE MEASUREMENT . . . . . . . . . . . . . . . . . . . . . . . . . 3–75 JOB CARD IST 013 – CALIBRATION OF FILM RECIPROCITY LAW FAILURE COMPENSATION FOR A GIVEN SCREEN PAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–79 JOB CARD IST 014 – CALIBRATION OF REFERENCE ENERGY FOR A GIVEN SCREEN PAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–89 JOB CARD IST 015 – CALIBRATION OF COMPRESSION ARM ANGULATION . . . . . . . . 3–97 JOB CARD IST 016 – CALIBRATION OF X–RAY TUBE MA MEASUREMENT . . . . . . . . . 3–99 JOB CARD IST 017 – CALIBRATION OF KV SCALE FACTOR . . . . . . . . . . . . . . . . . . . . . . 3–103 JOB CARD IST 018 – CALIBRATION OF PHOTOCELL IN STEREOTIX 2 POSITIONS . . . 3–109 JOB CARD IST 019 – CALIBRATION OF REFERENCE ENERGY IN STEREOTIX 2 MODE FOR A GIVEN SCREEN PAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–115 JOB CARD IST 020 – AUTOMATIC X–RAY TUBE WARM–UP . . . . . . . . . . . . . . . . . . . . . . . 3–123 JOB CARD IST 021 – CHECKING AND ADJUSMENT OF LATERAL CENTERING OF X–RAY BEAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–125

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JOB CARD IST 022 – CHECKING BASIC SUPPLY VOLTAGES . . . . . . . . . . . . . . . . . . . . . . 3–131 JOB CARD IST 023 – CALIBRATION OF COMPRESSION FORCE DETECTOR . . . . . . . . . 3–133 JOB CARD IST 024 – MINIMUM COMPRESSION/DECOMPRESSION FORCE TESTS . . . 3–135 JOB CARD IST 025 – CALIBRATION OF BREAST THICKNESS MEASUREMENT . . . . . . 3–139 JOB CARD IST 026 – CALIBRATION OF GRID POSITION . . . . . . . . . . . . . . . . . . . . . . . . . . 3–143 JOB CARD IST 027 – CHECKING X–RAY FILM FORMAT GEOMETRY . . . . . . . . . . . . . . . 3–145 JOB CARD IST 028 – LIGHT CENTERING CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . 3–159 JOB CARD IST 029 – CALIBRATION OF X–RAY TUBE REFERENCE ANGLE . . . . . . . . . 3–165 JOB CARD IST 030 – CALIBRATION OF LATERAL, REAR, AND FRONT, COLLIMATOR BLADE REFERENCE POSITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–169 JOB CARD IST 031 – TEST FOR ABSENCE OF GRID LINES ON EXPOSED FILM . . . . . . 3–173 JOB CARD IST 032 – REMOVAL AND REPLACEMENT OF SIDE COVERS AND PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–177 JOB CARD IST 033 – PRELIMINARY GENERATOR AND GANTRY TESTING . . . . . . . . . 3–181 JOB CARD IST 034 – CHECKING SAFE–LIGHTING AND FILM PROCESSING . . . . . . . . 3–187 JOB CARD IST 035 – REPLACEMENT OF CENTERING DEVICE LAMP . . . . . . . . . . . . . 3–191 JOB CARD IST 036 – ADJUSTMENT OF CENTERING DEVICE LAMP . . . . . . . . . . . . . . . 3–195 JOB CARD IST 037 – JUMPERS AND SWITCHES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–205 JOB CARD IST 038 – REGULATORY AND SAFETY LABELLING . . . . . . . . . . . . . . . . . . . 3–211 JOB CARD IST 039 – MANUAL DETERMINATION OF AOP STRATEGY FOR A GIVEN SCREEN PAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–217 JOB CARD IST 040 – SETTING OF ELEVATOR UPPER TRAVEL LIMIT . . . . . . . . . . . . . . 3–221 JOB CARD IST 041 – GENERAL ERRORS DURING THE CALIBRATION . . . . . . . . . . . . . 3–225 JOB CARD IST 042 – CONNECTING ROOM LAMPS AND ROOM DOOR . . . . . . . . . . . . . 3–233 JOB CARD IST 043 – DMR INSTALLATION FORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–237 JOB CARD IST 044 – SETTING PADDLE DEFORMATION PARAMETERS . . . . . . . . . . . . 3–251 JOB CARD IST 045 – PREVENTIVE MAINTENANCE FOLLOW–UP . . . . . . . . . . . . . . . . . 3–253 JOB CARD IST 046 – CHECKS ON PRE-EXPOSURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–257 JOB CARD IST 047 – CHECK OF VIEWBOX(ES) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–263 JOB CARD IST 048 – CHECK OF SENSITOMETRIC STABILITY . . . . . . . . . . . . . . . . . . . . . 3–267 JOB CARD IST 050 – A0 OPTIMIZATION FOR CONTACT MODE . . . . . . . . . . . . . . . . . . . . 3–271 JOB CARD IST 051 – A0 OPTIMIZATION FOR MAGNIFICATION MODE . . . . . . . . . . . . . 3–273

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4

TITLE

PAGE

ERROR CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1 SECTION 1 – ERROR CODE STRUCTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1 SECTION 2 – ERROR CODE LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–3 SECTION 3 – ERROR CODES: KNOWN ROOT CAUSES . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–20

5

SIGNAL LISTS / GLOSSARIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1

6

RENEWAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1

7

PLANNED MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–1 SECTION 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–1 JOB CARD PM001 – DMR PLANNED MAINTENANCE STEERING . . . . . . . . . . . . . . . . . . 7–3 JOB CARD PM002 – SITE STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–5 JOB CARD PM003 – REMOVE SYSTEM COVERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–7 JOB CARD PM004 – CHECK AEC MAX EXPOSURE TIME SAFETY . . . . . . . . . . . . . . . . . 7–13 JOB CARD PM005 – CHECK EMERGENCY STOP BUTTONS . . . . . . . . . . . . . . . . . . . . . . . 7–15 JOB CARD PM006 – CHECK COMPRESSION SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–17 JOB CARD PM008 – CHECK CABLE GROUNDING AND X–RAY TUBE SAFETY . . . . . . 7–19 JOB CARD PM009 – INSPECT LEAD GLASS SHIELD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–21 JOB CARD PM010 – CHECK HV UNIT AND HV CABLE CONNECTIONS . . . . . . . . . . . . . 7–23 JOB CARD PM011 – CLEAN SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–25 JOB CARD PM012 – CHECK +5V SUPPLY ON GENERATOR CPU BOARD . . . . . . . . . . . . 7–27 JOB CARD PM013 – CHECK COLUMN UP/DOWN MOVEMENT . . . . . . . . . . . . . . . . . . . . 7–31 JOB CARD PM014 – CHECK ARM ROTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–33 JOB CARD PM015 – CHECK COMPRESSION FORCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–35 JOB CARD PM016 – CHECK BREAST THICKNESS MEASUREMENT . . . . . . . . . . . . . . . . 7–39 JOB CARD PM018 – CHECK PHOTOCELL POSITIONING . . . . . . . . . . . . . . . . . . . . . . . . . . 7–41 JOB CARD PM019 – CHECK FORMAT CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–43 JOB CARD PM020 – CHECK TUBE HOUSING ARM DETENTS . . . . . . . . . . . . . . . . . . . . . 7–45 JOB CARD PM021 – CHECK MAGNIFICATION SENSORS AND SID SENSORS . . . . . . . . 7–47 JOB CARD PM022 – CHECK BUCKY AND TEST BUCKY . . . . . . . . . . . . . . . . . . . . . . . . . . 7–49 JOB CARD PM023 – CHECK STEREOTIX OPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–51 JOB CARD PM024 – CHECK CHAIR OPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–53 JOB CARD PM025 – REPLACE PADDLE WITH A NOTCH OPTION . . . . . . . . . . . . . . . . . . 7–55

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REVISION HISTORY DATE

REFERENCE

REASON FOR CHANGE

March 13, 1999

2240777–100 rev.0

Initial release.

August 1999

2240777–100 rev.1

Corrections

December 1999

2240777–100 rev.2

Renewal Parts updated with CPUs V5.09 and V5.10

February 2000

2240777–100 rev.3

Program Marble (DMR+ M5) SPR BUCge45373

June 2000

2240777–100 rev.4

Correction to test point nos. in IST 037; IST 046 warm-up mAs value corrected; added value limit for measured value entries in IST 030; updated margin settings in IST 027. Renewal parts list updated: corrected p/n for compression spring kit on Ill. 6-3; added part no. for line filter box (FRU 2) on Ill. 6-10; corrected p/n for bearing item 3 on Ill. 6–20; added kit for cable on belt to Ill 6-26; corrected p/n for collimator item 25 on Ill. 6-29; corrected part nos. for 2-pedal and 4-pedal footswitches on Ill. 6-17; added pushbutton kit on Ill. 6-30; removed photomultiplier kit and cell disassembly tool from Ill. 6-31; corrected p/n for bucky CDRH on Ill. 6-36; removed markers from Ill. 6-36; added sets of Flip markers on Ill. 6-38; added p/ns for dataflash cable, lexan part for 24x30 paddle, spot paddles, and axillary paddle on Ill. 6-38.

February 2001

2240777–100 rev.5

Service Manual release synchronized with FMI 11395. Page 1–41: in table 1, addition of ”A0, A1 and A2 values for MinR 2000, Agfa HDR–C and Fuji ADM films. Page 1–44: addition of note ”use calibration form IST043 ...” Page 1–45: AEC flowchart: IST046 moved after IST007. IST007: addition of illustration 1: ”IST007 flowchart” + modifications. IST007: corrections of menu path: SETUP/GENE/INSTAL/GENE/AOP/FILM/ COPY/... instead of SETUP/GENE/INSTAL/GENE/AOP/COPY/... IST013 : section 5.9.5: indication of where to note down the records (in IST043, IST013 data section). IST014: section 5.5.8: indication of where to note down the records (in IST043, IST014 data section). IST043: update of record tables according to IST007 modifications. SPR BUCge56711: addition of new error codes 171/015 through 171/024 Page 4–19: addition of recommended actions for 171/015 through 171/024 error codes Page 6–63: changes in FRU level: P/N 45560093 is FRU 2 and 2128546 is FRU 1. IST027: replacement of IST030 reference by (IST029 + IST030) SPR BUCge59779: Job Card IST022. Addition of 5.1Vdc adjustment. SPR BUCge59962: removal of P/N 2235097, not FRU. Page 6–27: new 400PL3 P/N=2274829–5 Page 6–49: new 800PL3 P/N=2274828–5 Page 1–34: removal of step 5 : Unlock the tube angulation.... Page 1–23: removal of illustration 1–17 (DOSE menu not used). IST010: modification of Emergency cable connection as follows: ... NUMBER 2240777–1–100TPH

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... table 1: Emergency stop connected to TB1 Autotransformer addition of TB1 location in illustration 3 Section 5.7: emergency stop wire is connected to TB1 (orange connector). IST033: addition of section 6.1: Check Angle sensor. IST041: addition of recommended action page 3–226. IST015 : addition of a note after section 5.2. Refer to error code list... IST046: improvement of procedure. Page 1–38 and 1–39 and Job Card IST027: New values for collimator margins.

March 2001

2240777–100 rev.6

Service Manual release synchronized with Sapphire M3. Addition of Job Card IST050 and update of AEC/AOP calibration flowchart (SPR BUCge62286).

August 2001

2240777–100 rev.7

Service Manual release synchronized with Sapphire Post M4 (1). Addition of Job Card IST051 and update of AEC/AOP calibration flowchart (SPR BUCge66903)

January 2002

2240777–100 rev.8

Program: Crystal M4 – SPR BUCge69149: SM introduction. – SPR BUCge58594: IST022 updated for locking the potentiometer. – Introduction of V6.22 software – Introduction of a new console called “Console 2001”. – New paddle with notch and carbon fiber bucky cover introduction. – Update Renewal Parts. – Update of some DMR service menus names and paths.

September 2002

2240777–100 rev.9

Generic SPR BUCge81369 Program: Optimized Planned Maintenance (Jamboree) – Create chapter 7 with PM job cards. – SPR BUCge56259: Introduce new generator interface board (400–PL2) 2198369–3 in renewal parts. – SPR BUCge76813: Add paddle rail for accessory trolley 2335958 in renewal parts. Regulatory and Safety Labelling SPR BUCge81337 – Added affix product id labels Job Card IST038 MQSA paddle adjustment. BUCge81771. – Added step 24 to ch. 1 sec. 5 Installation Steering, p. 1–41. – Updated ch. 6 renewal parts, reminders to order FMI 11468 when replacing paddles in countries subject to MQSA (pages 6–79 and 6–89).

December 8, 2006 2240777–1–100 rev.1 Technical Release Crystal (2) update – SPR EURge49905: 2282675–4 Mammo Console (FRU) replaced with the 2282675–6 Mammo Console (FRU) in renewal parts (pages 6–7 and 6–32). – SPR EURge52555: 2102082–8 800–PL1 Gantry Power Board reference replaced with the 5190800 800–PL1 Gantry Power Board reference in renewal parts (page 6–49). – SPR XRYge68852: 36005885 Belt reference inverted with the 91726680 Belt reference in renewal parts (page 6–59). ...

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... – SPR BUCge94564: cable W38 PN 45553528 replaced with cable (Compression Board / Bucky) W38 PN 2393779 in renewal parts (pages 6–76 and 6–77). – CCC Requirements – SPR EURge39282: added ordering conditions of the line supply cable in renewal parts (page 6–79). December 21, 2006 2240777–1–100 rev.2Technical Release Crystal (2) update – SPR EURge52555: Jumper settings of 5190800 800–PL1 Gantry Power Board added in the Job Card IST 037 (page 3–207).

NUMBER 2240777–1–100TPH

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LIST OF EFFECTIVE PAGES PAGE NUMBER

REVISION NUMBER

PAGE NUMBER

REVISION NUMBER

PAGE NUMBER

REVISION NUMBER

Title page

2

3-1 through 3-274

2

6–i & 6-ii

2

i through viii

2

4-1 through 4-20

2

6-1 through 6-90

2

1-1 through 1–46

2

5-i & 5-ii

2

7–1 through 7–56

2

2-1 through 2–4

2

5-1 through 5-54

2

Note for the Technical Writer

This document is using the Conditional selection. It is a slave document. To maintain this document it is mandatory to use the “Master File” 2309391–1–800 as the Interleaf source. This “Master File” contains a “Read me” which explains how to proceed.

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INSTALLATION

CHAPTER 1 – INSTALLATION SECTION 4 INTRODUCTION 4–1

Chapter Overview This chapter presents the Senographe DMR installation procedures. The wiring and room layout requirements for the product are covered in the Pre–Installation Manual.

4–2

Inspection for Damage The Senographe DMR was completely inspected for proper operation and appearance before shipment. However, it is necessary to inspect the product after the shipment is received. Visually inspect the packages for any apparent damage. If there are signs of damage, refer the matter to the shipping company immediately. Open the packages and refer to the Product Delivery Instructions (PDI). Verify that items on the list are present in the package. Carefully examine the contents for small parts.

SECTION 5 DESCRIPTION OF DELIVERED EQUIPMENT D

See the Pre-installation Manual for a description of the delivered equipment.

SECTION 6 HOW TO USE THE CONSOLE IN INSTALLATION MODE 6–1

Introduction This section describes how to use the Senographe DMR console during installation.

6–2

Application and Installation modes Throughout the Senographe DMR documentation, reference is made to the application mode and to the installation mode to differentiate between normal operation of the product by a doctor and operation of the product during installation. Each time the Senographe DMR is turned on the software automatically starts up in application mode. For information on using the Senographe DMR in application mode, refer to the Operator Manual. Two major Senographe DMR components must be installed – the generator and the gantry. Therefore, there are two separate installation phases, one for the generator and one for the gantry (see Section 6–4).

1–1

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6–3

sm 2240777–1–100 Description of the Console Illustration 1–1 shows the Senographe DMR consoles. When the Senographe DMR is in application mode, the six keys below the display window correspond to the functions that their respective symbol markings indicate (focal spot, track, filter, etc. – refer to the Operator Manual for explicit details). On the other hand, when the Senographe DMR is in installation mode, the function of each of these six keys depends on the procedure being performed and is displayed on the bottom line of the display window adjacent to the corresponding key. To enter installation mode, press the SETUP key application mode, press the SETUP key

once. To return immediately to

again.

Illustration 1–3 shows the console before and after entry to the installation mode. Section 1 of this illustration shows a typical console display during normal application mode use. Section 2 shows the appearance of the display window when, having started from application mode, the SETUP key

is pressed for the first time.

Section 4 shows the appearance of the display window when the password has already been entered once, and starting from application mode, the SETUP key

1–2

is pressed.

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INSTALLATION

ILLUSTRATION 1–1 SENOGRAPHE DMR CONSOLES

Control Console CDRH

Control Console 2001 (in forward production from february 2002)

1–3

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6–4

sm 2240777–1–100 Accessing the Generator or Gantry Installation Mode from the Console Menu access paths: SETUP/GENE/INSTAL OR SETUP/ARM/VALID/INSTAL To access the generator or gantry installation mode starting from application mode, follow this sequence: 1. Press the SETUP key

.

2. For access to the generator and gantry installation menus, change the position of the installation menu enable switch (switch B1–8 on generator CPUboard 400–PL3) from its position prior to power-up to the opposite position (see Illustration 1–2). The installation menus can also be accessed by password. Select the PASSWORD key, enter your password (given at the training course) (see Illustration 1–3, Section 3). 3. Select the sub–assembly to be installed (GENE or ARM for generator or gantry, respectively). 4. For the gantry ONLY, press the VALID key. 5. Select the INSTAL menu. Note:

The MAINTENANCE menu is not accessible during installation of the Senographe DMR. 6. You now have access to the installation menus of the sub–assembly selected (generator or gantry).

Note:

CAUTION

The position of the installation menu enable switch is memorized each time the Senographe DMR is turned on. Until the machine is again turned off (or the default parameters are re–loaded via the generator’s CLEAR menu, see Section 1–3), this memorized position is the installation-menu-access-disabled position, and the opposite position is the installation-menu-access-enabled position. The significance of the switch’s position thus depends upon its position at power–up. When you have finished using the Senographe DMR installation mode, you must turn off the Senographe DMR before handing over the machine to the user. In this way, when the machine is turned on again, access to the installation mode will be automatically locked out (see Note above). Illustration 1–3 shows the sequence for accessing generator installation mode.

1–4

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INSTALLATION

ILLUSTRATION 1–2 LOCATION OF INSTALLATION MENU ENABLE SWITCH

GENE CPU BOARD 400–PL3

?

B1 P1

P2

1–5

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ILLUSTRATION 1–3 SEQUENCE FOR ENTERING GENERATOR INSTALLATION MODE (REPRESENTED ONLY IN THE CASE OF A CONTROL CONSOLE 2001 OPERATION IS SIMILAR WITH CONTROL CONSOLE CDRH (REFER TO ILLUSTRATION 1–1))

1 APPLICATION

SETUP SMALL

AUTO

AUTO

+0

A

2

Nb of exposures VIEW

MEDICAL LANGUAGE

PASSWD

1–6

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3 APPLICATION

ENTER YOUR PASSWORD: 1

2

3

Nb of exposures

4

5

SETUP

6

PASSWORD

4 APPLICATION

SETUP Nb of exposures GENE

MEDICAL LANGUAGE

ARM

CLINIC

GENE

1–7

ARM

INSTALLATION

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5 APPLICATION

SETUP

GEMS–E VX.XX GEN DD.MM.YY INSTAL MAINT

GENE

ARM

INSTAL

6 APPLICATION

SETUP LAST INSTAL (D/M/Y H:M) 28/03/96 10:24 CKSUM

GENE

GENE

ARM

INSTAL

CKSUM

1–8

GENE

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REV 2 Installation Menu Tree Structure

The various installation menus are accessible via a tree structure which is shown in Illustrations 1-5 through 1–13.

1–9

INSTALLATION

6–5

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INSTALLATION

Blank page

1–10

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MEDICAL INSTALLATION

ILLUSTRATION 1–4 INSTALLATION MENU TREE STRUCTURE

KEY (values)

indicates that several values can be displayed by rotating the kV knob.

(value)

indicates that a single value is displayed or can be modified or entered.

APPLICATION MODE

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

L These selections appear only when the password has been entered.

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

Select arm/gene install GENE L

MEDICAL

LANGUAGE

ARM L

PASSWORD

Enter your password 1

installation steering step 13.–b.–xi MEDICAL SET–UP

GEMS-E (gen soft version) GEN (release date) INSTAL

see illustration 1-6

SPEED

MAINT

FORCE

DECOMP BEEP HEIGHT

COMPRESSION SPEED

+

–

VAL

FRANC

FILM

WITH BEEP

FAST SLOW

MAX COMPRESS FORCE daN: (value)

Select LANGUAGE

YES

YES

NO

CASSETTE DETECTION YES YES NO

NO

END OF EXPOSURE DECOMP

ENGL DEUTS

DECOMPRESSION HEIGHT : xx cm +

–

VALID

3

4

ARM ACCESS ESPAN

ITALI

PORTU

VALID

GEMS-E (Arm soft version) ARM (release date) INSTAL

A see illustration 1-12

1–11

2

MAINT

5

6

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SETUP

INSTALLATION

ILLUSTRATION 1–5 INSTALLATION MENU TREE STRUCTURE (cont’d)

L These selections appear only when the password has been entered. See illustration 1–5.

KEY

Select arm/gene install

(values)

indicates that several values can be displayed by rotating the kV knob.

(value)

indicates that a single value is displayed or can be modified or entered.

GENE L

APPLICATION MODE

MEDICAL

ARM L

LANGUAGE

GENE

PASSWORD

ARM G

GEMS-E (gen soft version) GEN (release date) INSTAL

MAINT

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

PADDLE PARAMETERS 18x24

A

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

24x30

MAG

STEREO

18x24 PARAM display (2 values) see illustration 1–12 CKSUM

Same menu structure as 18 24

CHANGE

LAST CALIB (D/M/Y H:M) GENE

sections 1–2 and 1–3 CHECKSUM OF SAVED PARAM

GENERATOR CALIBRATION

CKSUM

CONFIG

CLEAR

WARNING

USING THE CLEAR FUNCTION WILL ENTAIL A COMPLETE RE–CALIBRATION OF THE SENOGRAPHE DMR GENERATOR AND AEC.

GENE

AOP

THIS MENU IS OF NO USE TO THE SERVICE ENGINEER.

GENERATOR CONFIGURATION CONFIG

DISP

IMAGE

DATE

EVOLUTION

CLEAR ALL SAVED PARAM

18x24 PARAM CHANGE offs= (values) NEXT VALID

PROD

DOSE

THIS MENU CONSISTS OF PRODUCTION TEST PROCEDURES THAT ARE OF NO USE TO THE SERVICE ENGINEER.

AUTOMATIC EXPOSURE AOP FILM

APOLLO PELOTE

VALID Not used for DMR

G

installation steering step 13.–a. GENERATOR CALIBRATION section 1–5–2 EXPOSURE PARAM DISPLAY

GENERATOR CONFIGURATION TUBE

PMAX

MASMAX

PRES.

T_MAX

RINIT

YES

WARNING

3.0KW

3.5KW

INIT_TUBE

BIAS

KV

INIT_ENERGY

B

SINGLE

DUAL

TYPE OF ANODE 2Metal DM

SMSA

SMDA

MAX MAS ALLOWED mAs=(value) NEXT

MAX EXPOSURE TIME T(s)=(value) NEXT

VALID

section 1–5–3 DATE and TIME UPDATE DAY

HOUR

WITH THE BOARD 300PL3 YES

FILM (AOP)

NO

DATE DD/MM/YY (values)

VALID

NEXT

VALID

ALGO

TIME HH:MN:SS (values) NEXT

VALID

E SUB–SYSTEMS PRESENCE

MODEL OF TUBE : (Maxiray 70TH–F) GS412

70TH–F

70TH–D

GS412

70TH–F

70TH–D

VALID

VALID

VALID

Not used for DMR

PRS–B

PRS–DS

TUBE RE–INITIALISATION

PRS–IDC

VALID RESET TUBE ENERGY (Reset done)

ARM PRESENCE YES

NO

DIGITAL STATION PRESENCE YES

NO

Not applicable

C CELL

FOCUS SELECTION bifocus

mA_meas

for DMR

RE–INITIALIZING THE TUBE WILL ENTAIL RE–CALIBRATING THE TUBE HEATER CURRENT. USE THE FUNCTION ONLY WHEN YOU HAVE REPLACED THE X– RAY TUBE.

RE–INITIALISATION

4.0KW 4.5KW 5.0KW

HTR_SCL

300PL3

NO

MAX AUTHORIZED POWER POWE = (value)

TYPE OF TUBE 2foc/2met/1ang FOCUS ANODE MODEL DCHARG

TUBE GENERATOR EVOLUTION

IMAGE DETECTOR CTRL PRES. YES

D

VALID

NO

1–12

COPY

TYPE

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B

KEY indicates that several values can be displayed by rotating the kV knob.

(values)

(value)

TUBE

HTR_SCL

GENERATOR CALIBRATION

indicates that a single value is displayed or can be modified or entered.

TUBE

HTR_SCL

BIAS

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

KV

mA_meas

C

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

Job Card IST 001

TUBE CALIBRATION HEATER

HTR_D

CTUBE

CTubH WarmUp HTR_SCL HARDWARE CALIB

Job Card IST 020

TRACK1

WARNING THE TWO MENUS CTUBE AND CTUBH ARE NOT INTENDED FOR SERVICE USE.

Job Card IST 003 HEATER: Select Foc/Track LF/MO

SF/MO

LF/RH

Same menu structure as for TRACK1

TUBE WARM–UP x/y kV HTR_SCL HARDWARE TRACK 1

SF/RH

CALIB

HTR_DELTA Parameters LF/MO

HEATER: LF/MO CALIB CALIB

PARAM

HEATER: SF/MO CALIB CALIB

HEATER: LF/Rh CALIB

PARAM

TRACK2

CALIB

PARAM

SF/MO

PARAM

HTR_SCL HARDWARE TRACK 1

LF/RH

SF/RH

1st pt

2nd pt

HEATER: SF/Rh CALIB CALIB

PARAM

Same menu structure as for 1st pt

Same menu structure as for LF/MO

PARAM HTR_SCL track 1 x=(2 values)

calcul

CHANGE

THIS MENU IS ONLY ACCESSIBLE WHEN BOTH FILAMENT CURRENT VALUES HAVE BEEN MEASURED AND ENTERED VIA THE 1ST PT AND 2ND PT MENUS.

PARAM HTR_SCL modif track 1 x=(value) VALID

NEXT

VALID

HEATER: LF/MO CALIB Same menu structure as for LF/MO

C_GAIN I_VALUE

LF/Mo HTR_DELTA display DEL_x=(3 values)

HTR_SCL CALIB TRACK1 PT1 ref=(value) CMDE

Cathode Gain LF/MO GK_Ax=(3 values) CHANGE

NEXT NEXT

VALID

Measi

THE MENU ICH_M, WHICH IS USED TO ENTER THE MEASURED FILAMENT CURRENT VALUE FOUND IN THE CALIB MENU, IS ONLY ACCESSIBLE AFTER USE OF THE CALIB MENU.

Currents LF/MO (28 values kV/A) CHANGE HTR_SCL TRACK1 PT1 modif ref=(value)

Modif LF/MO cathode gain GK_Ax=(value)

CALIB

Currents LF/MO modif (value) (value) NEXT

1–13

VALID

VALID

HTR_SCL TRACK1 1st point meas=(value) NEXT

VALID

INSTALLATION

GENE ILLUSTRATION 1–6 INSTALLATION MENU TREE STRUCTURE (cont’d)

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GENE INSTALLATION

ILLUSTRATION 1–7 INSTALLATION MENU TREE STRUCTURE (cont’d)

C

BIAS KV mA_meas

KEY (values)

(value)

indicates that several values can be displayed by rotating the kV knob.

GENERATOR CALIBRATION TUBE

indicates that a single value is displayed or can be modified or entered.

HTR_SCL

BIAS

KV

mA_meas Job Card IST 016

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

mA MEASUREMENT

B

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

CALIB

PARAM

Job Card IST 002 mA MEASURE CALIBRATION

Job Card IST 017

CALIB

kV CALIBRATION CALIB

FOCAL BIAS VOLTAGE CALIB

PARAM

I_MEAS

CALCUL

PARAM

VOLTAGE THIS MENU IS ONLY ACCESSIBLE WHEN X– RAY TUBE CURRENT HAS BEEN MEASURED AND ENTERED VIA THE ”CALIB” AND ”I_MEAS” MENUS.

kV PARAMETERS x=(2 values) CHANGE FOCAL BIAS VOLTAGE CALIB 1st pt

2nd pt

calcul

mA MEASUREMENT CALC FOCAL BIAS VOLT display x=(2 values)

VALID PARAM kV MODIF x=(value)

CHANGE

NEXT

FOCAL BIAS VOLT 1st pt CALIB

VALID

MEASURED CURRENT meas=(value) NEXT

MeasV

VALID

FOCAL BIAS VOLT modif x=(value) NEXT

THIS MENU IS ONLY ACCESSIBLE WHEN 1ST PT FOCAL BIAS VOLTAGE VALUE HAS BEEN MEASURED VIA THE ”CALIB” MENU.

VALID mA MEASURE CALIBRATION meas=x mA

kV CALIBRATION FOCAL BIAS VOLT measure meas=(value) NEXT

1st pt

2nd pt

VALID THIS MENU IS ONLY ACCESSIBLE WHEN BOTH FOCAL BIAS VOLTAGE VALUES HAVE BEEN MEASURED AND ENTERED VIA THE ”1ST PT” AND ”2ND PT” MENUS.

FOCAL BIAS VOLT 1st pt ref=70.0

FOCAL BIAS VOLT 2nd pt CALIB

THIS MENU IS ONLY ACCESSIBLE WHEN BOTH HV VALUES HAVE BEEN MEASURED AND ENTERED VIA THE ”1ST PT” AND ”2ND PT” MENUS.

Same menu structure as for 1st pt

FOCAL BIAS VOLT calcul

MEASUR

calcul

VALID

PRESSING THE ”MEASUR” KEY UPDATES THE DISPLAYED VALUE OF THE THEORETICAL MEASURED X– RAY TUBE CURRENT VALUE

VALID mA MEASUREMENT PARAMETER f/mA=(value)

MeasV

CHANGE THIS MENU IS ONLY ACCESSIBLE WHEN 2ND PT FOCAL BIAS VOLTAGE VALUE HAS BEEN MEASURED VIA THE ”CALIB” MENU.

FOCAL BIAS VOLT 2nd pt ref=250.0

FOCAL BIAS VOLT measure meas=(value) NEXT VALID

FOCAL BIAS VOLT Display Focus/Track CHANGE

kV CALIB 1st point ref=(value) kV REF

CALIB

kV_M

mA MEAS PARAM MODIF f/mA=(value) THIS MENU IS ONLY ACCESSIBLE WHEN 1ST PT KV VALUE HAS BEEN MEASURED VIA THE ”CALIB” MENU.

FOCAL BIAS VOLTAGE modif x/y (value) NEXT

VALID

kV REFERENCE 1st point ref=(value) kV NEXT

VALID

kV CALIB 1st point

MEASURED kV 1st meas=(value) NEXT

VALID

1–14

NEXT

VALID

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D

KEY (values)

indicates that several values can be displayed by rotating the kV knob.

(value)

indicates that a single value is displayed or can be modified or entered.

CELL

COPY

AUTOMATIC EXPOSURE AOP CELL

ALGO

COPY

TYPE

default = A nSC –> E SCR

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

Job Card IST 007 PARAMETERS DUPLICATION (fsc) (screen) –> (fsc) (screen) SOURCE

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

STER

Job Card IST 004 PM_HV/DAC CALIBRATION

Job Card IST 005 PM/PM_HV calibration

FREQ/HV HV/DAC

CALIB

FREQUENCY/PM_HV GAIN

SOURCE CHOICE(fsc)/(scr/nscr)

TARGET CHOICE (fsc)/(scr/nscr)

SCREEN

SCREEN

FSC

CALIB PARAM PM/PM–HV calibration

SCREEN PRESENT (yes/no)

SCREEN PRESENT (yes/no)

YES

YES

NO

SOURCE FSC CHOICE FSC=(fsc)

NO

FSC=A

FSC=B FSC=C FSC=D FSC=E

TARGET FSC CHOICE FSC=(fsc) FSC=A

START PM/PM_HV PARAM change x=(value) NEXT

VALID

FREQ/PM_HV GAIN change F/HV=(value) NEXT

PM_HV/DAC PARAM display x=(2 values)

VALID

STEREOTIX CELL calib grid present/absent

CHANGE

CALIB

PARAM

FREQUENCY/PM_HV GAIN ref=(value) REF

CALIB

HV_M

PM_HV/DAC PARAM change x=(value)

CALC

NEXT

Send PM/HV ref START

VALID

CELL

CALIB

STEREOTIX PARAM display x=(4 values)

CALC

CHANGE

STEREOTIX PARAM change x=(value)

VALID

Cell Selection

FREQ/PM_HV REF modif ref=(value) NEXT

STEREOTIX CELL calib

VALID

FREQ/PM_HV calcul

STOP

NORMAL

STEREOTIX CELL calib LEFT

CENT

NEXT

RIGHT

FREQ/PM_HV Measure meas=(value) NEXT

VALID STEREOTIX CELL calib calc

default=+7.000E+2

VALID

1–15

VALID

CHANGE

PM_HV/DAC Calibration

CHANGE

ENABLE COPY

Job Card IST 018

PARAM PM/PM_HV PARAM display x=(3 values)

FREQ/PM_HV GAIN display F/HV=(value)

FSC

PARAM

PM_HV/DAC Calibration CALIB

COPY

E

CELL CALIBRATION HV/DAC PM/HV

TARG

VALID

FSC=B FSC=C FSC=D FSC=E

INSTALLATION

(GENE) AOP

ILLUSTRATION 1–8 INSTALLATION MENU TREE STRUCTURE (cont’d)

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

INSTALLATION

ILLUSTRATION 1–9 INSTALLATION MENU TREE STRUCTURE (cont’d)

(GENE) ALGO

E

KEY indicates that several values can be displayed by rotating the kV knob.

(values)

(value)

PM YIELD (CELL GAIN)

AUTOMATIC EXPOSURE AOP CELL

ALGO

COPY

TYPE

REF ENERGY

indicates that a single value is displayed or can be modified or entered. AEC/AOP CALIBRATION

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

FSC=A

D

FSC=B

FSC=C

FSC=D

FSC=E

D STATUS: (VALUE)

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

A

B

C

Same menu structure as FSC=A AEC/AOP CALIBRATION FSC=(fsc) VALID

NAME

TYPE

STRAT

CALIB

Job Card IST 006 Job Card IST 006 FSC validation YES

Job Card IST 006

Select FSC Name FSC (fsc)=(name)

NO

NEXT

ALGORITHM CALIBRATION Job Card IST 006

VALID

PM_yld

SCREEN/FILM STRATEGY THIS MENU IS CURRENTLY NON–FUNCTIONAL.

MEDIUM

SLOW

FAST

V_SLOW

Corr

Job Cards IST 014 and IST 019 REFERENCE ENERGY CALIB

PM YIELD GRID

Energ

V_FAST S_FAST

Job Card IST 007

SCREEN

LNRT

F

PARAM CONFIG

CALIB REF_ENERGY CALIBRATION mAs=(value) FILM/SCREEN CALIBRATION

SCREEN PRESENT YES

CALIB

F

PARAM

mAs

CALIB

OD_MS

CALC

CELL MODE SELECTION

REF_ENERGY PARAM menu GAMMA ENR_R

NO

OD_R

SCALE

NORMAL

D_STEP

REF ENERGY calculation FSC PARAM display

CALIBRATION WITH GRID YES

REF ENERGY CALIBRATION

CONFIG

NO

REFERENCE ENERGY display OD_x=(7 values)

PARAM

FILM/SCREEN CALIBRATION CALIB

CALC

NEXT

Select plexi thickness x cm 4 cm

6 cm

REFERENCE ENERGY display ENERG=(value)

Mo/Al

Mo/Rh

Rh/Al

PARAMETERS calculation

CHANGE

VALID

WARNING

Rh/Rh

FSC PARAM display x=(6 values)

mAs Selection mAs=(value) NEXT

VALID

CHANGE

CHANGE

VALID

Select Configuration Mo/Mo

2 cm

for Stereotix 2 mode

VALID

Measured density OD=(value) THICK

THE VALUE OF ENERG IS CALCULATED DURING THE CALIBRATION PROCEDURE AND MUST NEVER BE MODIFIED MANUALLY FOR ANY REASON WHATSOEVER.

REFERENCE ENERGY display GAMMA=(value)

REFERENCE ENERGY change OD_x=(value) NEXT

VALID

REFERENCE ENERGY display OD_r=(value) CHANGE

CHANGE

Same menu structure as for OD_R

FILM/SCREEN PARAM change x=(value) NEXT

VALID

STEREO

WARNING

THE VALUE OF GAMMA IS CALCULATED DURING THE CALIBRATION PROCEDURE AND MUST NEVER BE MODIFIED MANUALLY FOR ANY REASON WHATSOEVER.

REFERENCE ENERGY change OD_r=(value) NEXT

1–16

VALID

GE Healthcare

SENOGRAPHE DMR+ sm 2240777–1–100

ILLUSTRATION 1–10 INSTALLATION MENU TREE STRUCTURE (cont’d)

(GENE) ALGO

F

KEY indicates that several values can be displayed by rotating the kV knob.

(values)

(value)

LNRT (TIME RECIP. FAIL.)

ALGORITHM CALIBRATION PM_yld

LNRT

Energ

Corr

indicates that a single value is displayed or can be modified or entered.

E

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

Job Card IST 015 MAGNIFICATION CORRECTION

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

Job Card IST 013 TIME RECIPROCITY FAILURE fsc name HEATER REFEN

LNRT

CALIB

LNRT PARAM display x=(3 values)

PARAM

SCALE

MAS

MAGNIFICATION CALIB. Config:contact/magnify CONFIG

CHANGE

CALIB REF_ENERGY OF LNRT OD_ref

PARAM

PARAM

HEATER CALIBRATION CALIB

E

MAG. CORR.

CALIB

MAGNIF. PARAM display x=(2 values)

CALC

CHANGE

CALIB LNRT PARAM change x=(value) NEXT

MAGNIFICATION CALIB calc

VALID

VALID MAGNIF. PARAM change x=(value)

HEATER PARAM DISPLAY Kv=(3 values) I=(value)

NEXT

VALID

CHANGE CONTACT CONFIGURATION TIME RECIPROCITY FAILURE THICK.=x cm HEATER PARAM MODIF Kv=(value) I=(value) NEXT

VALID

CALIB

OD_mea

YES

NO

CALC

REF ENERGY PARAM DISPLAY OD_x=(7 values)

MAGNIFICATION CALIB. x cm

CHANGE

THICK

CALIB

RECIPROCITY FAIL.:calc TIME RECIPROCITY FAILURE

VALID

REF ENERGY PARAM MODIF OD_x=(value) NEXT

Select plexi thickness

VALID

MEASURED OPTICAL DENSITY=(value) NEXT

VALID

CALIB REF_ENERGY OF LNRT mAs=(value) REF ENERGY PARAM DISPLAY OD_r=(value) CHANGE

REF ENERGY PARAM DISPLAY mAs=(value)

CALIB

OD_mea

CALC

CHANGE CALIB REF. ENERGY calc

REF ENERGY PARAM MODIF OD_r=(value) NEXT

VALID

VALID

REF ENERGY PARAM MODIF mAs=(value) NEXT

VALID

CALIB REF_ENERGY OF LNRT MEASURED DENSITY OD=(value) NEXT

1–17

VALID

2 CM

4 CM

6 CM

MAGNIFICATION CALIB.

INSTALLATION

REV 2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ARM

A

INSTALLATION

ILLUSTRATION 1–11 INSTALLATION MENU TREE STRUCTURE (cont’d)

KEY

INSTAL

0004 Select arm/gene install

(values)

indicates that several values can be displayed by rotating the kV knob.

(value)

indicates that a single value is displayed or can be modified or entered.

GENE

MEDICAL

LANGUAGE ARM

0005 ARM ACCESS

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

VALID

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

INSTAL 5200 LAST CALIB (D/M/Y H:M) (date value) (time value) CKSUM

5210 CHECKSUM OF SAVED PARAM CHSUM 5211 CHECKSUM DONE

TEST

CALIB

CONFIG

5220 INSTALLATION TESTS

CLEAR

STRENGTH

WARNING

THIS MENU CONSISTS OF PRODUCTION TEST PROCEDURES THAT ARE OF NO USE TO THE SERVICE ENGINEER.

5001 GEMS-E (gen soft version) STA (release date)

CUTOFF

ENDUR

YES

DMT

THICK

COMP

ARM CONFIGURATION FORMAT

GRID

TUBE

ANGLE

TUBE

5227 POWER CUTOFF TEST

CALIB

09999 CAMERA FORMAT

G

PARAM

THIS MENU CONSISTS OF PRODUCTION TEST PROCEDURES THAT ARE OF NO USE TO THE SERVICE ENGINEER.

5446

5310 Job Card IST 029 TUBE HOUSING ANGULATION

G

H

J

6X6

8X8

18x24 / 24x30 HEIGHT DIFF.: NO

VALID

VALID

ANGLE

COLLIM CASSET BUCKY CAMERA

5290

5221 BELT STRENGTH

NO

5230

5250 ARM CALIBRATION

USING THE CLEAR FUNCTION WILL ENTAIL A COMPLETE RE– CALIBRATION OF THE SENOGRAPHE DMR GANTRY.

5212 DEFAULT PARAMETERS

ROT. SENSOR PRESENCE

K

CALIB

YES

NO 5445

PARAM

CASSETTE DETECT PRESENCE

YES

NO 5232

5311 COLLIMATOR CONFIGURATION

HOUSING ANGULATION CALIB EXPOSE

MEASURE

S.I.D

5393 Calib Exposure mAs: (value) +

–

FRONT_B

Calcul

TYPE

MARG_L

MARG_R

MARG_F

5314 HOUSING ANGULATION PARAM

VALID

SAME MENU STRUCTURE AS MARG_L

A–REF

5316 ARM INSTALLATION exposure VALID 0006 ARM: ADJUST EXPOSURE

5312 TUBE ANGULAT. MEASURE mm (value) NEXT

VALID

5313 SOURCE IMAGE DISTANCE mm : (value)

5315 REFERENCE ANGLE (Rd) : (value)

NEXT

NEXT

VALID

Job Card IST 027 +

VALID

–

VALID

5447 COLLIMATOR TYPE:

V1 V3

V2 V4

5444 FRONT BLADE PRESENCE 0005 ARM INSTALLATION exposure end VALID

5302

LATERAL COLL MARGIN (mm) : (value)

YES

NO

installation steering step 13.–b.–iv 5231 TUBE HOUSING ANGULATION YES

1–18

NO

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

(ARM–INSTAL) CALIB

ILLUSTRATION 1–12 INSTALLATION MENU TREE STRUCTURE (cont’d)

THICK

indicates that several values can be displayed by rotating the kV knob.

(values)

(value)

COMP

5250 ARM CALIBRATION

indicates that a single value is displayed or can be modified or entered.

THICK

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

5251 Job Card IST 025 BREAST THICKNESS CALIB CONTACT

FORMAT

COMP

5270 Job Card IST 023 COMPRESSION CALIBRATION

MAGNIF

FORCE

CALIB

TUBE

ANGLE

5290

Job Card IST 030 X–RAY FORMAT

LIMIT

GRID

’COMPRESSION ARM ROTATION CALIB

PARAM

PARAM

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

’COMP. ARM ROTATION PARAM MIN

J

H

PARAM

<5daN

>15daN

5254 CONTACT MODE THICK PARAM OFFSET

ELASTIC

PARAM

>15daN

18x24

24x30

OFFSET

CALIB

5272 FORCE DETECTOR CALIB

5172 * FORCE DETECTOR PARAMETERS

MEASURE

MEASURE

CALCUL

NEXT

0daN

3daN

6daN

9daN

12daN

NEXT

VALID

NEXT

18daN

21daN

24daN

27daN

CALIB

LIMIT_IC

1>2 5282

15daN

NEXT

1–19

VALID

5261 MAGNIF THICK ELASTIC = (value) NEXT

VALID

PARAM

2>1

+

5274/5275 FORCE DETECTOR PARAMETERS (value) NEXT

LIMIT_OC

5278 COMP CURRENT LIMIT PARAM (value) % LIM_IC

5279 IN_COMPRESSION LIMIT % : (value)

VALID

5260 ’MAGNIF’ THICK OFFSET = (value)

CALCUL

5276 COMP MOTOR CURRENT LIMIT

5277 COMPRESSION SAFETY CALIB

FORCE DETECTOR MEASURES Not used for DMR 5256 ’CONTACT’ THICK ELASTIC = (value) BUCKY 18x24 THICK DELTA = (value)

MAX

3daN. . . . . . . . . . . .27daN

5281 0daN

MIN

CALCUL

FORCE DETECTOR MEASURES

VALID

VALID

’COMP. ARM ROTATION CALIB

5273/5283 FORCE DETECTOR PARAMETERS

Not used for DMR

VALID

NEXT

PARAM

ELASTIC

BUCKY 24x30 THICK DELTA = (value)

VALID

5271 FORCE DETECTOR CALIB

5259 ’MAGNIF MODE’ THICK PARAM

5255 ’CONTACT THICK’ OFFSET = (value) NEXT

CALIB

5258 ’MAGNIF MODE’ THICK CALIB

5253 CONTACT MODE THICK CALIB <5daN

5257 ’MAGNIF MODE’ THICKNESS

MAX ANGLE CALIB (Value)

MIN ANGLE CALIB (Value) NEXT

5252 ’CONTACT MODE’ THICKNESS

CALCUL

MAX

A

K

* Job Card IST 024

CALIB

INSTALLATION

G

KEY

VALID

–

VALID

LIM_OC

5280 OUT OF COMP LIMIT % : (value) +

–

VALID

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

(ARM–INSTAL)

INSTALLATION

ILLUSTRATION 1–13 INSTALLATIONMENU TREE STRUCTURE (cont’d)

H

KEY (values)

indicates that several values can be displayed by rotating the kV knob.

(value)

indicates that a single value is displayed or can be modified or entered.

X-RAY FORMAT (CALIB) 5290

Job Card IST 030 X-RAY FORMAT CALIB PARAM

5291

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered. indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

SET S10 TO 560 !

X-RAY FORMAT CALIBRATION set SID to 560 ! COLLIM LIGHT

J

Job Card IST 028

5333

5309 COLLIMATOR FORMAT CALIB EXPOSE

LIGHT CENTRING CALIB set SID to 560 !

REF_L

REF_R

REF_F

EXPOSE

DIFF–R

DIFF–L

ALIGN

COVERAGE 5335

MENU MENU STRUCSTRUCTURE TURE IDENTICAL IDENTICAL 5293 TOLATERAL REF_RX–RAY FORMAT REF TO REF_R

5392 CALIB TRACK MOLY: mAs=(value) + – VALID 5299 ARM INSTALLATION exposure VALID

MEASURE

S.I.D

LIGHT COVERAGE: (value in Motor Steps) +

–

VALID

5336 LIGHT ALIGNMENT : (value in Motor Steps) + – VALID

Calcul

5295 LATERAL REF MEASURE (mm) : (value) NEXT

5343

VALID

0006 ARM: ADJUST EXPOSURE

CORR REAR FORMAT MEASURE

S.I.D

Calcul

5301 SOURCE IMAGE DISTANCE mm : (value) NEXT

5345

VALID

5338

SOURCE IMAGE DISTANCE mm=(value) NEXT

CALIB TRACK MOLY: mAs=(value) + – VALID

VALID

0005 ARM INSTALLATION exposure end VALID

5344

5339 ARM INSTALLATION exposure VALID

REAR DIFF MEASURE mm=(value) NEXT

VALID

0006 ARM: ADJUST EXPOSURE

5340 CORR LATERAL FORMAT MEASURE

S.I.D

Calcul

5241

5342

LATERAL DIFF MEASURE mm=(value) VALID

0005 ARM INSTALLATION exposure end

SOURCE IMAGE DISTANCE mm : (value) NEXT

VALID

VALID

1–20

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

KEY (values)

indicates that several values can be displayed by rotating the kV knob.

(value)

indicates that a single value is displayed or can be modified or entered.

INSTALLATION

ILLUSTRATION 1–14 INSTALLATION MENU TREE STRUCTURE (cont’d)

(ARM–INSTAL)

J

X-RAY FORMAT (PARAMS)

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

5290 Job Card IST 030 X–RAY FORMAT REFERENCE set SID to 560 ! CALIB

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

PARAM

H

5236 X-RAY FORMAT PARAMETERS Delta X

COLLIM

LIGHT

Job Card IST 036

5300

NEXT

5308

5305

DIFFERENCE DELTA_X (mm): (value)

COLLIMATOR PARAMETERS CO_L CO_R

VALID

CO_F

STP_L

LIGHT CENT PARAMETERS ALIGN COVERAGE

STP_R

5297

5307

LATERAL COLL OPENING (mm): (value) NEXT

VALID

NEXT

5298 REAR COLL OPENING (mm): (value) NEXT

VALID

NEXT

VALID

LIGHT COVERAGE: (value in mm)

VALID

NEXT

VALID

5306

5344

LAT COLL MOTOR STEP (mm): (value)

LIGHT ALIGNMENT: (value in mm)

NEXT

5135 FRONT COLL OPENING (mm): (value)

1–21

5349

REAR COLL MOTOR STEP (mm): (value)

VALID

NEXT

VALID

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

(ARM–INSTAL) CALIB

INSTALLATION

ILLUSTRATION 1–15 INSTALLATION MENU TREE STRUCTURE (cont’d)

K

KEY (values)

(value)

GRID

indicates that several values can be displayed by rotating the kV knob.

5250 ARM CALIBRATION

indicates that a single value is displayed or can be modified or entered.

THICK

FORMAT

COMP

indicates that rotation of the kV knob will either display other parameter values, or modify a digit or character in a string being entered.

GRID

TUBE

ANGLE

A

G

5290

Job Card IST 030 X–RAY FORMAT CALIB

PARAM

J

H

indicates that the 2nd trigger button must be pressed in order to perform the calibration (see associated instructions for the calibration in question before using these menus).

G

5285

Job Card IST 026 GRID TRAVEL CALIB

PARAM 5287

GRID PARAMETERS DISPLAY OFFSET

ACCEL

GAIN

MIN

TPOSE

MAX

TESTS

SPEED

SYNC

DELTA

TP_MAX

+1.000E+0 PARAM

+4000E+2

VMAX

PARAM

+2048E+3

N_MIN

N_MAX

V_MIN

V_MAX

T_VLIN

T_MIN

T_MAX

SLOPE

+1200E+0

+3.300E+0

+5.000E+2

+1.500E+3

+9.00E+1

+7.000E+0

+1.200E+1

+1.964E–1

SYNC

+0000E+0

T_SYNC0

DELTA

TD_lim

+8.000E–2

+2.800E+2

DEFAUT VALUES, GIVEN FOR INFORMATION ONLY. DO NOT ATTEMPT TO CHANGE THESE PARAMETERS!

1–22

+2.500E+3

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

CHAPTER 2 – CALIBRATION SECTION 1 INTRODUCTION

This chapter is divided into 7 sections: D

Section 1 introduces the chapter.

D

Section 2 describes generator calibration (except AEC calibration of a screen pair).

D

Section 3 provides information for complete gantry calibration.

D

Section 4 provides information for AEC calibration for a given screen pair.

D

Section 5 describes AEC calibration of a Stereotix 2 installed after initial installation.

D

Section 6 describes re–calibration of non–Stereotix 2 reference optical density in AEC and AOP modes.

D

Section 7 describes re-calibration of Stereotix 2 mode reference optical density in AEC mode.

SECTION 2 GENERATOR CALIBRATION 1. Check jumpers and switches – see Job Card IST 037. 2. Calibrate X–ray tube heater current scale factor – see Job Card IST 001. 3. Calibrate X–ray tube focal bias voltage – see Job Card IST 002. 4. Calibrate X–ray tube mA measurement – see Job Card IST 016. 5. Calibrate X–ray tube kV scale factor – see Job Card IST 017. 6. Calibrate X–Ray tube heater current – see Job Card IST 003. 7. Calibrate photo cell HV measurement and scale factor – see Job Card IST 004. 8. Calibrate photo cell sensitivity as a function of its voltage – see Job Card IST 005. SECTION 3 GANTRY CALIBRATION 1. Check jumpers and switches – see Job Card IST 037. 2. Calibrate compression force detector – see Job Card IST 023. 3. Test minimum compression/decompression force – see Job Card IST 024. 4. Calibrate breast thickness measurement – see Job Card IST 025. 5. Calibrate grid position – see Job Card IST 026. 6. Calibrate X–ray tube reference angle – see Job Card IST 029. 7. Check X–ray film format geometry – see Job Card IST 027.

2–1

CALIBRATION

This chapter is a resume of the procedures to follow when a complete re–calibration of the generator and/or gantry is deemed necessary, when a new screen pair is being introduced, when the Stereotix 2 option is being installed after the initial installation, and when the customer wishes to change the reference optical density in AEC and AOP modes.

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100 8. Calibrate collimator blades reference positions – see Job Card IST 030. 9. Calibrate light centering device– see Job Card IST 036 and 028. 10. Test for absence of grid lines on exposed film – see Job Card IST 031.

CALIBRATION

SECTION 4 AEC CALIBRATION FOR A GIVEN SCREEN PAIR When a new screen pair is being introduced, follow the sequence Calibrate AEC for each screen pair given in the Installation Steering in chapter 1, and the AEC flow chart (see illustration 1–2 in Chapter 1). SECTION 5 AEC CALIBRATION ON STEREOTIX 2 When the Stereotix 2 option is installed after initial installation of a Senographe DMR, follow the sequence given below: 1. set up and calibrate the Stereotix 2 according to the Stereotix 2 Service Manual 2. calibrate photocell in Stereotix 2 positions (see Job Card IST 018) 3. Calibrate reference energy in Stereotix 2 mode (see Job Card IST 019).

WARNING

FOR SAFETY REASONS IT IS ESSENTIAL THAT THE GANTRY IS ANCHORED TO THE FLOOR WITH 3 BOLTS WHEN A SENOGRAPHE DMR IS EQUIPPED WITH THE STEREOTIX 2 (see Job Card IST 009).

SECTION 6 RE–CALIBRATION OF REFERENCE OPTICAL DENSITY IN NON–STEREOTIX 2 MODE To re–calibrate the reference optical density, follow the sequence below: 1. Set up the following exposure: D

any compression paddle installed

D

contact (no magnification)

D

grid installed

D

40 mm plexiglass on the cassette holder

D

mode: AEC (1–point)

D

screen pair: select the name of the screen pair being calibrated

D

focal spot: LARGE

D

track: MO

D

filter: MO

D

manual density correction: +0

D

HV: 28 kV.

2. Take an exposure using a cassette and undeveloped film corresponding to the screen pair being calibrated. Write down the resulting mAs value. 3. Perform the section entitled Calibration of Reference Energy in Job Card IST 014, but do not use the default mAs value for the first exposure – instead, enter the mAs value obtained in the exposure above.

2–2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100 4. Perform the section entitled Check Results in Job Card IST 014.

SECTION 7 CUSTOMER REQUESTED RE–CALIBRATION OF STEREOTIX 2 MODE REFERENCE OPTICAL DENSITY

CALIBRATION

When the customer requests a re–calibration of Stereotix 2 mode reference optical density, perform Job Card IST 019 in its entirety.

2–3

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

CALIBRATION

Blank page

2–4

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

JOB CARD IST 001 – CALIBRATION OF HEATER CURRENT SCALE FACTOR . . . . . . . . . . . . . . . . . . . . . . . .

3–3

JOB CARD IST 002 – CALIBRATION OF X–RAY TUBE FOCAL BIAS VOLTAGE SCALE FACTOR . . . . . . .

3–9

JOB CARD IST 003 – CALIBRATION OF X–RAY TUBE HEATER CURRENT . . . . . . . . . . . . . . . . . . . . . . . . . .

3–15

JOB CARD IST 004 – CALIBRATION OF PHOTO-CELL HV MEASUREMENT AND SCALE FACTOR . . . . .

3–19

JOB CARD IST 005 – CALIBRATION OF PHOTO CELL SENSITIVITY AS A FUNCTION OF ITS VOLTAGE

3–23

JOB CARD IST 006 – SCREEN PAIR SELECTION AND CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–27

JOB CARD IST 007 – CALIBRATION OF PHOTO-CELL GAIN FOR A GIVEN SCREEN PAIR . . . . . . . . . . . . .

3–31

JOB CARD IST 008 – UNPACKING THE EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–51

JOB CARD IST 009 – PHYSICAL INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–55

JOB CARD IST 010 – CONNECTING THE CABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–57

JOB CARD IST 011 – CONNECTING TO THE AC SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–69

JOB CARD IST 012 – LINE RESISTANCE MEASUREMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–75

JOB CARD IST 013 – CALIBRATION OF FILM RECIPROCITY LAW FAILURE COMPENSATION FOR A GIVEN SCREEN PAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–79

JOB CARD IST 014 – CALIBRATION OF REFERENCE ENERGY FOR A GIVEN SCREEN PAIR . . . . . . . . . .

3–89

JOB CARD IST 015 – CALIBRATION OF COMPRESSION ARM ANGULATION . . . . . . . . . . . . . . . . . . . . . . . .

3–97

JOB CARD IST 016 – CALIBRATION OF X–RAY TUBE MA MEASUREMENT . . . . . . . . . . . . . . . . . . . . . . . . .

3–99

JOB CARD IST 017 – CALIBRATION OF KV SCALE FACTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–103

JOB CARD IST 018 – CALIBRATION OF PHOTOCELL IN STEREOTIX 2 POSITIONS . . . . . . . . . . . . . . . . . . .

3–109

JOB CARD IST 019 – CALIBRATION OF REFERENCE ENERGY IN STEREOTIX 2 MODE FOR A GIVEN SCREEN PAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–115

JOB CARD IST 020 – AUTOMATIC X–RAY TUBE WARM–UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–123

JOB CARD IST 021 – CHECKING AND ADJUSMENT OF LATERAL CENTERING OF X–RAY BEAM . . . . .

3–125

JOB CARD IST 022 – CHECKING BASIC SUPPLY VOLTAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–131

JOB CARD IST 023 – CALIBRATION OF COMPRESSION FORCE DETECTOR . . . . . . . . . . . . . . . . . . . . . . . . .

3–133

JOB CARD IST 024 – MINIMUM COMPRESSION/DECOMPRESSION FORCE TESTS . . . . . . . . . . . . . . . . . . .

3–135

JOB CARD IST 025 – CALIBRATION OF BREAST THICKNESS MEASUREMENT . . . . . . . . . . . . . . . . . . . . . .

3–139

JOB CARD IST 026 – CALIBRATION OF GRID POSITION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–143

JOB CARD IST 027 – CHECKING X–RAY FILM FORMAT GEOMETRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–145

JOB CARD IST 028 – LIGHT CENTERING CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–159

JOB CARD IST 029 – CALIBRATION OF X–RAY TUBE REFERENCE ANGLE . . . . . . . . . . . . . . . . . . . . . . . . .

3–165

JOB CARD IST 030 – CALIBRATION OF LATERAL, REAR, AND FRONT, COLLIMATOR BLADE REFERENCE POSITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–169

JOB CARD IST 031 – TEST FOR ABSENCE OF GRID LINES ON EXPOSED FILM . . . . . . . . . . . . . . . . . . . . . .

3–173

JOB CARD IST 032 – REMOVAL AND REPLACEMENT OF SIDE COVERS AND PANELS . . . . . . . . . . . . . . .

3–177

JOB CARD IST 033 – PRELIMINARY GENERATOR AND GANTRY TESTING . . . . . . . . . . . . . . . . . . . . . . . . .

3–181

JOB CARD IST 034 – CHECKING SAFE–LIGHTING AND FILM PROCESSING . . . . . . . . . . . . . . . . . . . . . . . .

3–187

JOB CARD IST 035 – REPLACEMENT OF CENTERING DEVICE LAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–191

JOB CARD IST 036 – ADJUSTMENT OF CENTERING DEVICE LAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–195

3–1

JOB CARDS

CHAPTER 3 – JOB CARDS

GE Healthcare

SENOGRAPHE DMR+

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JOB CARD IST 037 – JUMPERS AND SWITCHES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–205

JOB CARD IST 038 – REGULATORY AND SAFETY LABELLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–209 3–213

JOB CARD IST 040 – SETTING OF ELEVATOR UPPER TRAVEL LIMIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–217

JOB CARD IST 041 – GENERAL ERRORS DURING THE CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–221

JOB CARD IST 042 – CONNECTING ROOM LAMPS AND ROOM DOOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–229

JOB CARD IST 043 – DMR INSTALLATION FORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–233

JOB CARD IST 044 – SETTING PADDLE DEFORMATION PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–247

JOB CARD IST 045 – PREVENTIVE MAINTENANCE FOLLOW–UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–249

JOB CARD IST 046 – CHECKS ON PRE-EXPOSURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–253

JOB CARD IST 047 – CHECK OF VIEWBOX(ES) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–259

JOB CARD IST 048 – CHECK OF SENSITOMETRIC STABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–263

JOB CARD IST 050 – A0 OPTIMIZATION FOR CONTACT MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–267

JOB CARD IST 051 – A0 OPTIMIZATION FOR MAGNIFICATION MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–269

JOB CARDS

JOB CARD IST 039 – MANUAL DETERMINATION OF AOP STRATEGY FOR A GIVEN SCREEN PAIR . . .

3–2

GE Healthcare

SENOGRAPHE DMR+

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SENOGRAPHE DMR+ Purpose:

Job Card IST 001

CALIBRATION OF HEATER CURRENT SCALE FACTOR

Time: x h xx min

1 of 6

Version No.: Date :

Personnel: 1

SECTION 1 SUPPLIES None

D

True R.M.S. AC ammeter e.g: Fluke 8060, Fluke 87, Fluke 45. HP 3457A, Tektronix DMM 254.

D

HV unit / cable adaptor, Part number 36003399.

IMPORTANT NOTE: To ensure an accurate measurement: D

For ALL Digital Multimeters, the Autorange function MUST NOT be used, as it can lead to severe measurement errors (>40% !!).

D

For ALL Digital Multimeters, the Relative Measurement function MUST NOT be used to reset to zero the natural offset displayed when there is no current measured. The offset is automatically reset to zero by the principle of the rms measurement.

D

Measurement configurations to be used are as follows: a. Fluke 8060: used with 20–A shunt in the 200–mV AC range (shunt reference: 80J10). b. Fluke 87: no shunt, in the 10–A AC range.

SECTION 3 SAFETY PRECAUTIONS

CAUTION

In case of equipment breakdown or service engineer error during this calibration procedure, the resulting parameter values might become so unreasonable as to render the X–ray tube filament supply circuit unusable. This can show up as an error message during power up, and thus inhibit use of the calibration software. If this happens, the only way to cancel the error is to manually re–enter the default parameter values (see section 5 for default parameter values) and switch the Senographe DMR off and back on again before again attempting a calibration.

SECTION 4 PREREQUISITES None

3–3

JOB CARDS

SECTION 2 TOOLS

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CALIBRATION OF HEATER CURRENT SCALE FACTOR

Job Card IST 001

2 of 6

SECTION 5 CALIBRATION OF HEATER CURRENT SCALE FACTOR The objective is to determine the scale factor K and fixed offset VOF between the X–ray tube filament current command from the software and the real filament current value obtained. Each tube track has its own filament supply circuit, so this calibration procedure is to be performed for each of the two tracks. DEFAULT PARAMETER VALUES ARE K = +9.450E+0 (9.45) AND VOF = +0.000E+0 (0.0).

Prepare the Senographe DMR for this calibration procedure.

JOB CARDS

5.1

5.1.1

Turn off the Senographe DMR.

5.1.2

Open the HV converter control signal inputs by disconnecting flat cable WG8 from generator command board 400–PL1 connector XJ7. This eliminates any possibility of energy build–up in the HV unit during this calibration procedure.

5.1.3

Disconnect the DMR HV cable at the HV tank end.

5.1.4

Connect the HV cable to the HV unit / cable adaptor (36003399).

5.1.5

Connect the HV unit / cable adaptor to the DMR HV tank.

5.1.6

Connect the true r.m.s. AC ammeter in series with the filament being calibrated on the HV unit / cable adaptor; and place a jumper on the other track (see illustrations 1 and 2).

Note:

See “important note” in section 2 to ensure an accurate measurement.

Note:

Keep the other filament connected in order to avoid error messages when the Senographe DMR is switched on.

3–4

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ILLUSTRATION 1 HV UNIT HV CABLE ADAPTOR 36003399

Track 2 (Rh): jumper or ammeter From HV tank

To X Ray tube HV cable shield

–HT

–HT C

C

TRACK 2 (Rh)

TRACK 2 (Rh)

TRACK 1 (Mo)

TRACK 1 (Mo) L

L

S

S

BIAS G

Ground (+HV)

C G Bias measurement Track 1 (Mo): jumper or ammeter

Note:

For safety purpose, –HT is permanently connected to ground

3–5

Ground (+HV)

JOB CARDS

BIAS G

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ILLUSTRATION 2 HV CABLE CONNECTOR PIN CONNECTION DIAGRAM

L NOTE: THIS IS A HEAD–ON VIEW OF THE HV CABLE CONNECTOR AFTER BEING DISCONNECTED FROM THE HV UNIT.

G

POLARIZING TAB

C

JOB CARDS

S The HV cable connector is marked with the standard X–ray industry markings (L, S, C and G). However, the functions of the corresponding conductors in the Senographe DMR are as follows: L = track 1 (Mo) filament supply S = track 2 (Rh) filament supply C = filament supply return and X–ray tube cathode HV G = focal bias voltage supply 5.1.7 Note:

ERROR 007/024 is normal with 400 PL1 XJ7 disconnected. 5.1.8

5.2

Switch on the Senographe DMR.

Change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3, see ”Accessing the Different Installation Menus in the Tree Structure” in chapter 1).

Perform the calibration procedure for the desired X–ray tube track. 5.2.1

Note:

Select SETUP/GENE/INSTAL/GENE/GENE/HTR_SCL/TRACK1 /CALIB/1st pt/CALIB on the console for the first calibration point.

(or

TRACK2)

The default filament current command value for this first point is +4.000E+00 (4.0) A.

3–6

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5.2.2

Press the 2nd trigger button (no X–rays are produced) and hold it until the ammeter reading stabilizes (this may take a few seconds).

5.2.3

Note the filament current value measured from the ammeter.

5.2.4

Release the 2nd trigger button.

5.2.5

Select SETUP/MeasI on the console.

5.2.6

Enter and validate the measured filament current value from the ammeter for this first calibration point.

5.2.7

Select SETUP/SETUP/2nd pt/CALIB on the console for the first calibration point. The default filament current command value for this second point is +5.000E+00 (5.0) A.

5.2.8

Press the 2nd trigger button (no X–rays are produced) and hold it until the ammeter reading stabilizes (this may take a few seconds).

5.2.9

Note the filament current value measured from the ammeter.

5.2.10 Release the 2nd trigger button. 5.2.11 Select SETUP/MeasI on the console. 5.2.12 Enter and validate the measured filament current value from the ammeter for this second calibration point. 5.2.13 Select SETUP/SETUP/calcul/VALID on the console. This executes the calculation of the scale factor and fixed offset of the filament current command from the software. 5.3

Check the calibration accuracy. 5.3.1

Note:

Select SETUP/1st pt/CALIB on the console. Again, the default filament current command value for this first point is +4.000E+00 (4.0) A.

5.3.2

Press the 2nd trigger button (no X–rays are produced) and hold it until the ammeter reading stabilizes (this may take a few seconds).

5.3.3

Note the filament current value measured from the ammeter.

5.3.4

Release the 2nd trigger button.

3–7

JOB CARDS

Note:

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5.3.5

JOB CARDS

Note:

Job Card IST 001

6 of 6

Select SETUP/SETUP/2nd pt/CALIB on the console. Again, the default filament current command value for this second point is +5.000E+00 (5.0) A.

5.3.6

Press the 2nd trigger button (no X–rays are produced) and hold it until the ammeter reading stabilizes (this may take a few seconds).

5.3.7

Note the filament current value measured from the ammeter.

5.3.8

Release the 2nd trigger button.

5.3.9

The expected results are 4.0 ± 0.02 A for the first point and 5.0 ± 0.02 A for the second point. If the results are within these tolerances, the calibration for this X–ray tube track is finished. If the results are out of tolerance, repeat the calibration procedure in section 5.2 and the check procedure in section 5.3 for the same X–ray tube track.

Note:

Performing the calibration procedure once is normally sufficient for correct calibration.

Note:

If it is necessary to perform the calibration procedure more than once, the measured values of current for the two points (4.0 and 5.0 A) should become increasingly accurate. If not, the procedure is probably not being followed correctly. 5.3.10 Select SETUP/SETUP/SETUP/PARAM on the console. Note down the calculated values of scale factor K and offset VOF. Each of these two values can be displayed alternately by rotating the kV dial on the console.

CAUTION

If the value of K is less than +8.000E+0 (8.0), either the calibration procedure was done incorrectly or there is a hardware defect.

5.3.11 Repeat the calibration and check procedures on the other tube track, if necessary. 5.3.12 Perform a ”CKSUM”, then turn the system off 5.3.13 Re–connect flat cable WG8 to generator command board 400–PL1 connector XJ7, remove high voltage cable adapter. Do not forget to secure the HV ring with the Allen screw, to insure proper ground continuity.

3–8

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

SENOGRAPHE DMR+ Purpose:

Job Card IST 002

CALIBRATION OF X–RAY TUBE FOCAL BIAS VOLTAGE SCALE FACTOR

Time: x h xx min

1 of 6

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None

D

Voltmeter

D

HV unit / cable adaptor, part number 36003399

SECTION 3 SAFETY PRECAUTIONS

CAUTION

In case of equipment breakdown or service engineer error during this calibration procedure, the resulting parameter values might become so unreasonable as to render the X–ray tube focal bias voltage supply circuit unusable. This can show up as an error message during power up, and thus inhibit use of the calibration software. If this happens, the only way to cancel the error is to manually re–enter the default parameter values (see section 5 for these values) and switch the Senographe DMR+ off and back on again before again attempting a calibration.

SECTION 4 PREREQUISITES D

Job Card IST 001 CALIBRATION OF HEATER CURRENT SCALE FACTOR

3–9

JOB CARDS

SECTION 2 TOOLS

GE Healthcare

SENOGRAPHE DMR+

REV 2

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CALIBRATION OF X–RAY TUBE FOCAL BIAS VOLTAGE SCALE FACTOR

Job Card IST 002

2 of 6

SECTION 5 CALIBRATION OF X–RAY TUBE FOCAL BIAS VOLTAGE SCALE FACTOR The objective is to determine the scale factor alpha and offset beta between the X–ray tube focal bias voltage command from the software and the real focal bias voltage value obtained. The focal bias voltage applied to the X–ray tube electron beam concentration device establishes the focal spot width. DEFAULT PARAMETER VALUES ARE ALPHA = +9.389E+1 (93.89) AND BETA = +3.801E–2 (0.03801).

JOB CARDS

5.1

Prepare the Senographe DMR+ for this calibration procedure. 5.1.1

Turn off the Senographe DMR+.

5.1.2

Open the HV converter control signal inputs by disconnecting flat cable WG8 from generator command board 400–PL1 connector XJ7. This eliminates any possibility of energy build–up in the HV unit during this calibration procedure.

5.1.3

Disconnect the DMR+ HV cable at the HV tank end.

5.1.4

Connect the HV cable to the HV unit / cable adaptor (36003399).

5.1.5

Connect the HV unit / cable adaptor to the DMR+ HV tank.

5.1.6

Connect a DC voltmeter between common (C) and the focal bias voltage wire (G) (see illustrations 1 and 2).

3–10

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ILLUSTRATION 1 HV UNIT HV CABLE ADAPTOR 36003399

Track 2 (Rh): jumper or ammeter From HV tank

To X Ray tube HV cable shield

–HT

–HT C

C

TRACK 2 (Rh)

TRACK 2 (Rh) TRACK 1 (Mo)

TRACK 1 (Mo) L

L

S

S G

G Ground (+HV)

Ground (+HV)

C

G

Bias measurement Track 1 (Mo): jumper or ammeter

Note:

For safety purpose, –HT is permanently connected to ground

3–11

JOB CARDS

BIAS

BIAS

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SENOGRAPHE DMR+

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Job Card IST 002

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ILLUSTRATION 2 HV CABLE CONNECTOR PIN CONNECTION DIAGRAM

L NOTE: THIS IS A HEAD–ON VIEW OF THE HV CABLE CONNECTOR AFTER BEING DISCONNECTED FROM THE HV UNIT.

G

POLARIZING TAB

C

JOB CARDS

S The HV cable connector is marked with the standard X–ray industry markings (L, S, C and G). However, the functions of the corresponding conductors in the Senographe DMR+ are as follows: L = track 1 (Mo) filament supply S = track 2 (Rh) filament supply C = filament supply return and X–ray tube cathode HV G = focal bias voltage supply 5.1.7

Switch on the Senographe DMR+. ERROR 007/024 is normal with 400 PL1 XJ7 disconnected.

5.1.8

Change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3, see Accessing the Different Installation Menus in the Tree Structure in chapter 1).

5.1.9

Select SETUP/GENE/INSTAL/GENE/GENE/BIAS/VOLTAGE on the console.

3–12

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5.1.10 Rotate the kV dial in order to check that all four focal bias voltage command values are the same as the values specified on the label on the X-ray tube housing: MO/LF = . . . . . . . . . . . RH/LF = . . . . . . . . . . . . MO/SF = . . . . . . . . . . . RH/SF = . . . . . . . . . . . .

5.2

Perform the calibration procedure. 5.2.1

Select SETUP/CALIB/1st pt/CALIB on the console for the first calibration point.

5.2.2

Press the 2nd trigger button (no X–rays are produced) and hold it until the voltmeter reading stabilizes.

5.2.3

Note the focal bias voltage value measured from the voltmeter.

5.2.4

Release the 2nd trigger button.

5.2.5

Select SETUP/MeasV on the console.

5.2.6

Enter and validate the absolute value of measured focal bias voltage value from the voltmeter for this first calibration point. See ”Entry of an Alpha–Numeric Value” in chapter 1 for information on entering alpha–numeric values.

5.2.7

Select SETUP/SETUP/2nd pt/CALIB on the console for the second calibration point.

5.2.8

Press the 2nd trigger button (no X–rays are produced) and hold it until the voltmeter reading stabilizes.

5.2.9

Note the focal bias voltage value measured from the voltmeter.

5.2.10 Release the 2nd trigger button. 5.2.11 Select SETUP/MeasV on the console. 5.2.12 Enter and validate the measured focal bias voltage value from the voltmeter for this second calibration point.

3–13

JOB CARDS

CAUTION

Modify any values that appear different from these on the tube label by using the CHANGE key, rotating the kV dial and using the NEXT, VALID and SETUP keys. See ”Visual Display of Parameter Values” and ”Modification of a Parameter Value or Entry of a Measurement” in chapter 1.

GE Healthcare

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Job Card IST 002

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5.2.13 Select SETUP/SETUP/calcul/VALID on the console. This executes the calculation of the parameters alpha and beta. The message ”CALCUL DONE” appears on the console display. Check the calibration accuracy.

JOB CARDS

5.3

5.3.1

Select SETUP/1st pt/CALIB on the console.

5.3.2

Press the 2nd trigger button (no X–rays are produced) and hold it until the voltmeter reading stabilizes.

5.3.3

Note the focal bias voltage value measured from the voltmeter for the first point.

5.3.4

Release the 2nd trigger button. DO NOT ENTER THIS MEASURED VALUE.

5.3.5

Select SETUP/SETUP/2nd pt/CALIB on the console.

5.3.6

Press the 2nd trigger button (no X–rays are produced) and hold it until the voltmeter reading stabilizes.

5.3.7

Note the focal bias voltage value measured from the voltmeter for the second point.

5.3.8

Release the 2nd trigger button. DO NOT ENTER THIS MEASURED VALUE.

5.3.9

The expected results for the first point are the value of MO/LF ±5% for the first point and the value of MO/SF ±5% for the second point (see section 5.1.10 for these values). If the results are within these tolerances, the focal bias voltage calibration is finished. If the results are out of tolerance, repeat the calibration procedure in section 5.2 and the check procedure in section 5.3.

Note:

Performing the calibration procedure once is normally sufficient for correct calibration.

Note:

If it is necessary to perform the calibration procedure more than once, the measured values of focal bias voltage for the two points should become increasingly accurate. If not, the procedure is probably not being followed correctly. 5.3.10 Select SETUP/SETUP/SETUP/PARAM on the console. Note down the calculated values of parameters alpha and beta. Each of these two values can be displayed alternately by rotating the kV dial on the console. 5.3.11 Perform a ”CKSUM”, then turn the system off. 5.3.12 Re–connect flat cable WG8 to generator command board 400–PL1 connector XJ7, remove high voltage cable adapter. Do not forget to secure the HV ring with the Allen screw, to insure proper ground continuity.

3–14

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

SENOGRAPHE DMR+ Purpose:

Job Card IST 003

CALIBRATION OF X–RAY TUBE HEATER CURRENT

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS

SECTION 3 SAFETY PRECAUTIONS

CAUTION

This procedure produces X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES The following procedures must have been performed in the following order: D

Job Card IST 001 CALIBRATION OF HEATER CURRENT SCALE FACTOR

D

Job Card IST 002 CALIBRATION OF X–RAY TUBE FOCAL BIAS VOLTAGE SCALE FACTOR

D

Job Card IST 016 CALIBRATION OF X–RAY TUBE MA MEASUREMENT

D

Job Card IST 017 CALIBRATION OF kV SCALE FACTOR

3–15

JOB CARDS

None

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Job Card IST 003

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SECTION 5 CALIBRATION OF X–RAY TUBE HEATER CURRENT The objective is to determine the X–ray tube heater current necessary for producing the desired X–ray tube anode current at a given kV value. The calibration procedure must be performed on each focal size/track combination. Four repetitions of the calibration procedure are therefore necessary. Three exposures are taken automatically at different kV values. Using the results, the software calculates the necessary parameters to determine the X–ray tube heater current needed to produce the desired X–ray tube anode current for all possible kV values. 5.1

Perform the calibration procedure.

JOB CARDS

5.1.1

Note:

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3) or enter password on console. This must only be done if the Senographe DMR has been switched off since the last access to the service menu.

5.1.2

Note:

Select the following menu sequence on the console: SETUP/GENE/INSTAL/GENE/GENE/ TUBE/HEATER/focal size/track/CALIB /focal size/track/ must be SF/RH for the first combination performed.

CAUTION 5.1.3

To avoid excessive X-ray doses on the photo-cell tube, place an empty cassette on the top of the image receptor.

Press the 2nd trigger button and hold it down. The messages EXPOSURE NO 1, EXPOSURE NO 2, EXPOSURE NO 3 and CALIBRATION END appear sequentially on the console display. The software automatically performs the three exposures and the calculations.

Note:

Calibration time varies according to tube temperature. The message TOO HOT appears on the console display when tube temperature is excessive for taking the next exposure. It is not necessary to hold the 2nd trigger button down while waiting for the tube to cool. However, do not exit the calibration menu while waiting. As soon as the TOO HOT message disappears, continue the calibration by pressing the 2nd trigger button and holding it down.

Note:

In case of arcing, the software re–attempts the same exposure automatically.

Note:

The calibration procedure includes an exposure at 40 kV. If for some reason this exposure is impossible to perform (e.g. excessive arcing), tube warm–up may be necessary (see Job Card IST 020 AUTOMATIC X–RAY TUBE WARM–UP).

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Job Card IST 003

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5.1.4

Repeat sections 5.1.2 to 5.1.3 for each of the remaining focal size/track combinations in the following order: SF/Mo, LF/Rh, LF/Mo.

5.1.5

Perform this step only if a warning message is displayed. The generator firmware can display the Limited Ich message on the console at the end of the tube–current calibration IST 003. This message is only a warning and therefore not associated with an error code.

1. Access the DMR installation menu to read the heater parameters (the path is: SETUP/GENE/ INSTAL/GENE/GENE/TUBE/HEATER/LF/MO/Param/I–Value). If necessary, see DMR menu structure in service manual (Ill. 1–7). 2. Explore the 28 kV/A combinations and note the kV values showing a current value equal to 5.600 A. 3. Repeat Step 2. for the LF/RH combination (there is a very low probability of current limitation occurring in small focus). 4. Return to Application Mode (set–up button). 5. Set the DMR for 2–point exposure technique at 60 mAs. Make an exposure for each kV point detected at 5.600 A (LF/MO and LF/RH). Allow at least 60 seconds between each exposure. 6. Repeat Steps 1. and 2.: If no more kV point are set to 5.600 A, the problem has been resolved. If there is still one or more points showing a current value of 5.600 A make Job Card IST 001, then restart this procedure from Step 1 above. If the problem recurs, replace the X–ray tube. 5.2

Check the results.

Note:

5.2.1

Be sure that the gantry presence parameter PRES_A is set to YES before proceeding (see Gantry Present/Absent in Chapter 1).

5.2.2

Activate the display of parameters following an exposure (see Display of Parameters Following an Exposure in Chapter 1).

5.2.3

Perform a CKSUM and return to application mode (Path is: SETUP/GENE/INSTALL/CKSUM/ CKSUM.

5.2.4

Set up the Senographe DMR for a manual (2–point) exposure at 30 kV and 63 mAs. For each of the four focal size/track combination, take an exposure following a 3-second preparation time. Note the resulting X–ray tube anode currents displayed on the console display. A lower mAs value cannot would decrease the measurement accuracy.

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JOB CARDS

Limited Ich (limited heater current) means that one or more filament heating current values were calculated above 5.6 A (but internally limited to 5.600 A when stored in memory). To handle this warning, proceed as follows:

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5.2.5

Job Card IST 003

4 of 4

The table below shows the expected X–ray tube anode current for each focal size/track combination: Value available for Maxiray 70TH–F tube: LF/RH – 62 mA ± 5% ± DVM accuracy SF/RH – 35 mA ± 5% ± DVM accuracy LF/MO – 100 mA ± 5% ± DVM accuracy SF/MO – 40 mA ± 5% ± DVM accuracy Value available for GS412 tube: LF/RH – 75 mA ± 5% ± DVM accuracy

JOB CARDS

SF/RH – 40 mA ± 5% ± DVM accuracy LF/MO – 100 mA ± 5% ± DVM accuracy SF/MO – 40 mA ± 5% ± DVM accuracy 5.2.6

If you are handing the machine back to the user at this point, switch the Senographe DMR off, then on again.

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Job Card IST 004

CALIBRATION OF PHOTO-CELL HV MEASUREMENT AND SCALE FACTOR

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS Voltmeter

SECTION 3 SAFETY PRECAUTIONS

WARNING

CAUTION

CAUTION Note:

THESE CALIBRATION PROCEDURES INVOLVE CONNECTING A VOLTMETER TO THE PHOTO-CELL HIGH VOLTAGE SUPPLY CIRCUITS WHICH OPERATE AT APPROXIMATELY 800 VDC. USE APPROPRIATE PRECAUTIONS WHEN IN CLOSE PROXIMITY TO THESE CIRCUITS. In case of equipment breakdown or service engineer error during these calibration procedures, the resulting parameter values might become so unreasonable as to render the photo-cell board unusable. This can show up as an error message during power up, and thus inhibit use of the calibration software. If this happens, the only way to cancel the error is to manually re–enter the default parameter value (see sections 5 and 6 for these values) and switch the Senographe DMR off and back on again before again attempting a calibration. These procedures must be done with cables W14 and W15 connected to gantry photo-cell board 800–PL4 connectors XJ3 and XJ2, respectively.

These two calibration procedures must always be done together and in the order presented. Follow the procedure in section 5 and then the procedure in section 6.

SECTION 4 PREREQUISITES None

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JOB CARDS

D

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Job Card IST 004

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SECTION 5 CALIBRATION OF PHOTO-CELL HV MEASUREMENT The objective is to determine the scale factor F/HV between the real photo-cell HV value and the photo-cell HV measurement input to the software. This is accomplished by sending a theoretical photo-cell HV command value of +7.000E+2 (700) V from the software and measuring the real voltage obtained. The measured value is entered and the software calculates the value of F/HV. DEFAULT PARAMETER VALUE IS F/HV = +1.797E+2 (179.7) Hz/V 5.1

Prepare the Senographe DMR for this calibration procedure. 5.1.1

JOB CARDS

Note:

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3) or enter password on console. This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

5.1.2

Carefully connect a voltmeter set to 1000 VDC to the photo-cell HV (+ve lead to the terminal lug on the frame of the gantry photo-cell board 800–PL4 connector XJ2, and –ve lead to the gantry photo-cell board 800–PL4 test point TP1, marked –HT).

5.1.3

Ensure that the gantry is present by selecting SETUP/GENE/INSTAL/GENE/CONFIG/CONFIG/PRES/PRES_B/YES on the console (see Gantry Present/Absent (PRES_A) in Chapter 1).

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5.3

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Perform the calibration procedure. 5.2.1

Select SETUP/SETUP/SETUP/SETUP/AOP/FILM/CELL/ HV/DAC / FREQ/HV /CALIB/ CALIB/START. The message Working appears on the console display.

5.2.2

Wait for the voltmeter reading to stabilize, and note its absolute (positive) value.

5.2.3

Select STOP – the message Done appears on the console display.

5.2.4

Select SETUP/HV_M on the console.

5.2.5

Enter and validate the absolute (positive) value of the voltmeter reading by using the NEXT and VALID keys and the kV dial (see Visual Display of Parameter Values and Modification of a Parameter Value or Entry of a Measurement in Chapter 1).

5.2.6

Select SETUP/CALC/VALID – the message Calcul done appears on the console display.

Check the calibration accuracy. 5.3.1

Activate the display of parameters following an exposure by selecting SETUP six times, then CONFIG/DISP/YES (see Chapter 1, Display of Parameters Following an Exposure).

5.3.2

Perform a CKSUM and return to 2-point application mode.

5.3.3

Press the 1st trigger button and hold it down until the voltmeter reading stabilizes. Note the absolute (positive) value of the voltmeter reading. Release the 1st trigger button.

5.3.4

Check that the photo-cell HV value displayed on the console display is within ±1%, ±0.1V, plus voltmeter error, of the voltmeter reading taken in step 5.3.3.

5.3.5

Select SETUP/GENE/INSTAL/GENE/AOP/FILM/CELL/ HV/DAC / FREQ/HV /PARAM on the console. Note down the calculated gain factor F/HV.

5.3.6

Leave the voltmeter connected and proceed directly to section 6.

SECTION 6 CALIBRATION OF PHOTO-CELL HV SCALE FACTOR The objective is to determine the scale factor alpha and offset beta between the photo-cell HV command value from the software and the real photo-cell HV value obtained. The calibration is fully automatic. DEFAULT PARAMETER VALUES ARE ALPHA = +2.567E–1 (0.2567) AND BETA = +2.184E+0 (2.184). 6.1

Perform the calibration procedure. 6.1.1

Select SETUP/SETUP/ HV/DAC /CALIB/START – the messages Working, then Done appear on the console display.

6.1.2

Select SETUP/PARAM. Write down the calculated values of scale factor alpha and offset beta. Each of these two values is displayed alternately by rotating the kV dial on the console.

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JOB CARDS

5.2

Job Card IST 004

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JOB CARDS

6.2

Job Card IST 004

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Check the calibration accuracy. 6.2.1

Select SETUP/SETUP/ FREQ/HV /CALIB/REF.

6.2.2

Enter and validate a photo-cell HV reference value of +4.000E+2 (400) V by using the NEXT and VALID keys and the kV dial (see Visual Display of Parameter Values and Modification of a Parameter Value or Entry of a Measurement in Chapter 1).

6.2.3

Select SETUP/CALIB/START – the message Working appears on the console display.

6.2.4

Wait for the voltmeter reading to stabilize. The voltmeter reading must be 400 ±5V. Do not enter this measured value.

6.2.5

Select STOP – the message Done appears on the console display.

6.2.6

Select SETUP/REF on the console.

6.2.7

Enter and validate a photo-cell HV reference value of +6.000E+2 (600) V by using the NEXT and VALID keys and the kV dial.

6.2.8

Select SETUP/CALIB/START – the message Working appears on the console display.

6.2.9

Wait for the voltmeter reading to stabilize. The voltmeter reading must be 600 ±5V. Do not enter this measured value.

6.2.10 Select STOP – the message Done appears on the console display. 6.2.11 Repeat steps 6.2.6 to 6.2.10 using a photo-cell HV reference value of +8.000E+2 (800) V. In this case, the resulting voltmeter reading must be 800 ±5V. 6.2.12 Perform a CKSUM and return to application mode. If you are handing the machine back to the user at this point, switch the Senographe DMR off, then on again.

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Job Card IST 005

CALIBRATION OF PHOTO CELL SENSITIVITY AS A FUNCTION OF ITS VOLTAGE

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS Plexiglass in thickness increments of 0.5 cm (minimum plexiglass dimensions 20 x 20 cm to insure complete covering of the photo cell) JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS

CAUTION

This procedure produces X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES

Note:

D

Job Card IST 004 ”CALIBRATION OF PHOTO CELL HV MEASUREMENT AND SCALE FACTOR”

D

Remove the protective film from bucky top plate. In case of error messages during this calibration, see IST 041 for explanations.

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Job Card IST 005

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SECTION 5 CALIBRATION OF PHOTO CELL SENSITIVITY AS A FUNCTION OF ITS VOLTAGE The photo cell’s sensitivity to light varies as a function of its voltage. This phenomenon is exploited by the Senographe DMR to compensate for all the different possible configurations encountered in application mode (kV, SID, etc.). The Senographe DMR determines the needed photo cell sensitivity for a given configuration and applies the appropriate photo cell HV. The objective here is to determine the coefficients beta and gamma that define the relationship between photo cell HV and photo cell sensitivity. A third coefficient, alpha, is always equal to zero. DEFAULT PARAMETER VALUES ARE ALPHA = +0.000E+0 (0), BETA = +7.377E+0 (7.377) AND GAMMA = –4.931E+1 (–49.31). 5.1

Prepare the Senographe DMR for this calibration procedure.

JOB CARDS

5.1.1

Calibration of heater current. – Set up the senographe DMR in the following configuration: Mode: Manuel (2–point). Bucky 18 x 24 in place (with grid). Focal spot: LARGE Track: MO Filter: MO HV: 28 kV mAs: 100 mAs – Take the exposure

CAUTION 5.1.2

Note:

To avoid excessive X–Ray doses on the photo–cell tube, place an empty cassette on the top of the image receptor.

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3). This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

5.1.3

Set up the Senographe DMR in the following configuration: 6 cm of plexiglass Contact (no magnification) Bucky 18 x 24 in place (with grid). SID = 660 mm No cassette

Note:

To insure that the photo cell is fully covered by the plexiglass, be sure that it overlaps the front edge of the cassette holder by about 1 cm.

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5.2

Job Card IST 005

3 of 4

Perform the calibration procedure. 5.2.1

Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/CELL/ PM/HV /CALIB on the console.

5.2.2

Press the 2nd trigger button and hold it down. A series of X–ray exposures is taken. If more, or less, plexiglass is needed to successfully perform the calibration, the message ”not enough plex” or ”too much plexi” appears on the console display, and the series of exposures is halted. If this happens: – Release the 2nd trigger button and, according to the message, either add or remove 1 cm of plexiglass, – Select SETUP/CALIB on the console,

– Continue the procedure. 5.2.3

When the calibration is successful and complete, the series of X–ray exposures halts automatically and the message ”calibration end” appears on the console display. At this point, release the 2nd trigger button.

5.2.4

Select SETUP/PARAM on the console. Note down the calculated values of parameters beta and gamma. Each of these values is displayed by rotating the kV dial on the console. Since the third parameter, alpha, always has a value of zero, it is not necessary to note it down.

Note:

The value of alpha MUST be zero. Do not modify it under any circumstances. 5.2.5

Perform a ”CKSUM” and return to application mode. If you’re turning the machine back over to the user at this point, switch the Senographe DMR off, then on again.

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JOB CARDS

– Press the 2nd trigger button and hold it down again,

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Job Card IST 005

JOB CARDS

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Job Card IST 006

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Version No.:

SCREEN PAIR SELECTION AND CONFIGURATION

Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS

SECTION 3 SAFETY PRECAUTIONS

CAUTION

NEVER leave the Senographe DMR unattended during calibration of a screen pair.

SECTION 4 PREREQUISITES None

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JOB CARDS

None

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Job Card IST 006

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SECTION 5 SCREEN PAIR SELECTION AND CONFIGURATION The objective is to select and configure a screen pair prior to performing AEC calibrations on it. 5.1

Prepare the Senographe DMR for this procedure. Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3).

Note:

JOB CARDS

5.2

This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

Choose the screen pair to be configured and calibrated. Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/FSC=x on the console, where x is the screen pair indicator (A,B,C,D or E) corresponding to one of the 5 possible screen pairs to be calibrated.

Note:

5.3

Do not confuse the screen pair indicator with the screen pair name, which is chosen via the procedure in section 5.6. While the 5 screen pair indicators cannot be changed and do not appear in application mode, each of them can be assigned a screen pair name corresponding to the film/cassette combination used, which appears on the console display in application AOP (0–point) and AEC (1–point) modes.

Enable/disable screen pair. Select SETUP/VALID on the console. This function gives the possibility to enable or disable the use of the screen pair in application. Select NO to disable and YES to enable the screen pair.

5.4

D

If yes is selected, then complete the entire calibration of the screen pair (see flow chart of AEC / AOP calibration; illustration 1–2; in the installation chapter 1).

D

If no is selected, the user could not select the screen pair name which means that the entire calibration of the screen pair was not completely done.

Choose screen type. Screen type would be chosen by selecting TYPE on the console. However, the present version of the Senographe DMR does not provide any options for screen type. If you select TYPE, be sure to select SETUP before proceeding to the next section.

5.5

Choose default AOP strategy. Select STRAT/MEDIUM on the console.

Note:

This default AOP strategy value will be verified and changed, if necessary, at the end of screen pair calibration. This value has no effect on screen pair calibration.

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5.6

Job Card IST 006

3 of 4

Choose screen pair name. Select SETUP/NAME on the console. Enter and validate the desired screen pair name, which can contain up to 7 characters (A to Z, 0 to 9, and colon ”:”) – see Entry of an Alpha–Numeric Value in Chapter 1 for information on entering alpha–numeric values. This is the name that appears on the console display in application AOP (0–point) and AEC (1–point) modes.

Note: The default screen pair name is the screen pair indicator. See section 5.2. Typically, this name is an abbreviation of the film and cassette type used to constitute the screen pair being used. It is a good idea to ask the doctor for suggestions for the screen pair name.

5.7

This name can be changed at any time in the future without producing the need to re-perform any calibrations on the screen pair in question.

Proceed to the screen pair calibration procedures. Once you have completed the procedures in this Job Card, perform a CKSUM, return to application mode and proceed directly to Job Card IST 007, Calibration of Photo Cell Gain for a Given Screen Pair.

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JOB CARDS

Note:

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Job Card IST 006

JOB CARDS

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Job Card IST 007

CALIBRATION OF PHOTO-CELL GAIN FOR A GIVEN SCREEN PAIR

Time: hh min

1 of 20

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES D

Normal cassette of type used in the screen pair being calibrated (same cassette for all the procedure)

D

Film of type used in the screen pair being calibrated.

D

Screen–less cassette simulation tool OR cassette of type used in the screen pair being calibrated, but without its screen (see section 5.2)

D

Plexiglass in thickness increments of 10 mm (minimum plexiglass dimensions 200 x 200 mm to ensure complete coverage of the photo-cell) Tool reference : 45 203 014 or 46–286893P1 (US pole). Thickness accuracy of plexiglass plates is mandatory (10  0.2 mm)

SECTION 3 SAFETY PRECAUTIONS

CAUTION

NEVER leave the Senographe DMR unattended during calibration of a screen pair.

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

CAUTION

If your equipment is delivered with the new magnification plastic cassette holder (pn 2147919), DO not USED the mode contact in magnification configuration.

SECTION 4 PREREQUISITES D

Job Card IST 006 SCREEN PAIR SELECTION AND CONFIGURATION

D

About checksum, see chapter 1, para. 1–2.

D

kV accuracy check (if applicable) followed by kVp recalibration must be performed before this job card (see IST 033, para. 5.1.11).

D

Job Cards IST 004 and IST005 must have been successfully performed.

D

In case of error messages during this calibration, see IST 041 for explanations.

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JOB CARDS

SECTION 2 TOOLS

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Job Card IST 007

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SECTION 5 ADVANCE PREPARATION AND INFORMATION 5.1

Calibration steering. See illustration 1.

ILLUSTRATION 1 IST007 FLOWCHART

START

First Film/Screen Calib. JOB CARDS

NO

YES

Other Film/Screen Combination with another Screen type?

NO

Other Film/Screen combination with the same Screen Perform section 8 step 1 through 10

YES

DMR+ set–up for the contact mode:

Sections 6.1/6.2 Calibration without Screen

Section 6.3 Check without Screen

Last Film/Screen Calibration with another Screen type?

Copy parameters

Section 6.4 Calibration with Screen

NO

YES

Section 8 step 1 through 5

Section 6.5 Check with Screen

Section 6.6

Perform

DMR+ set–up for the contact mode:

Section 7

Sections 6.1/6.2 Calibration with Screen

Section 6.5 DMR+ set–up for the Magnification mode

Check with Screen

Section 6.6

Section 6.7 Calibration without Screen

Section 6.8

DMR+ set–up for the Magnification mode

Check without Screen

Section 6.7

Section 6.9

Calibration with Screen

Calibration with Screen

Section 6.10

Section 6.10

Check with Screen

Check with Screen

Section 6.11

Section 6.11

END

END

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5.2

Job Card IST 007

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Information about cassettes and films used in these procedures 5.2.1

Determine whether or not the screen–less cassette simulation tool can be used. The screen–less simulation tool can be used only if the cassette of the screen pair being calibrated is among the following: – KODAK Min–R 2 – FUJI MA – AGFA–GEVAERT MAMORAY – 3M

– KONICA If the cassette of the screen pair being installed is not among these models, the screen–less cassette simulation tool cannot be used. In this case, a normal cassette of the type used in the screen pair being calibrated must be used, but without its screen. Note:

If a screen–less cassette simulation tool is not available, any of the cassette models listed above, without its screen*, can be used during calibration of any screen pair that uses any of the models in the list. For example, if you’re calibrating a screen pair that uses the 3M cassette, you can use a KODAK Min–R 2 cassette without its screen. However, if you are calibrating a screen pair that uses a cassette model that is not on this list, you must use a cassette of that exact model, without its screen. * When removing the screen from a cassette, be sure to leave the layer of plastic foam intact in the cassette.

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JOB CARDS

– DUPONT

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5.2.2

Job Card IST 007

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Learn how to use the screen–less cassette simulation tool. If used, the screen–less cassette simulation tool must always be loaded with an undeveloped film of the type used in the screen pair being calibrated, as shown in illustration 1.

Note:

It is normal for the film not to lie flat at the rear edge of the film holding area. The rear edge of the film holding area was in fact designed to insure that the FRONT edge of the film butts up perfectly against the front edge of the film holding area. This is critical, because the photo-cell is located towards the front edge of the bucky and must be maximally covered by the film. The loaded screen–less cassette simulation tool must be installed in the Senographe DMR cassette holder or in the bucky in the same way as an ordinary cassette.

JOB CARDS

CAUTION Note:

Be sure to orient the simulation tool in the cassette holder with its front edge coinciding with the front edge of the bucky, as shown in illustration 1.

Whenever the instructions in this Job Card instruct you to install the loaded cassette (without screen) install the loaded simulation tool instead, if permitted (see section 5.2.1 above). 5.2.3

Each of the two cassettes (with and without screen) used in these procedures must be loaded with undeveloped film of the type used in the screen pair being calibrated. – The same two cassettes must be used for all procedures in this Job Card. – The same undeveloped films can be left in the cassettes for all procedures in this Job Card. – Mark the cassette without screen clearly so as not to confuse it with the cassette with screen (not applicable if screen–less cassette simulation tool is used).

5.3

Advance preparation if a new screen pair is being introduced Select and configure a screen pair (see Job Card IST 006).

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Job Card IST 007

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ILLUSTRATION 1 SCREEN–LESS CASSETTE SIMULATION TOOL

Screen–less cassette simulation tool Rear edge (away from patient)

JOB CARDS

Rear edge of film does not lie flat against simulation tool

Front edge (towards patient) Undeveloped film

Film must be loaded with its front edge butted up against the front rim of the simulation tool Note: The loaded screen–less cassette simulation tool must be installed in the cassette holder or in the bucky of the Senographe DMR, oriented as shown.

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5.4

Job Card IST 007

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General instructions to be observed during all procedures in this Job Card 5.4.1

Note:

The photo-cell must be in its most forward position (towards the patient) throughout the procedures in this Job Card. Number the plexiglass plates from 1 to 6 and use the same plates for the same thickness. When selecting plexiglass thicknesses (2, 4 or 6 cm) in the menus between exposure sequences, never go up in the menu structure higher than indicated in the procedure being performed. Doing so will reset stored intermediate values and ruin the calibration. Also, once all three thicknesses have been calibrated, follow the instructions immediately for performing the calculation. Select SETUP no more than the precise number of times indicated, again at the risk of losing intermediate values prior to the calculation.

5.4.3

On the other hand, if an error is made during the calibration of one of the three plexiglass thicknesses (for example, the plexiglass was incorrectly placed or is not the correct thickness), then you must go upward in the menus (by selecting SETUP a certain number of times) at least to the level that gives the choices GRID, SCREEN and CALIB (just below PM_YLD). Here you reset the intermediate values intentionally, and you must repeat all three thickness calibrations.

5.4.4

Normally, this Job Card is used when a new screen pair is being introduced. In this case, follow the procedures in this Job Card in the exact order shown.

5.4.5

If, however, only part of the photo-cell gain calibration is being done (e.g. because of a mistake during a certain part of the calibration), the procedures can be performed independently of the others, but be sure to read and carry out all preliminary preparations and procedures associated with the procedure in question.

5.4.6

When placing plexiglass on the cassette holder or 1.5 magnification device, the plexiglass must always overlap the front edge (towards the patient) by about 1 cm to insure that the photo-cell is fully covered.

5.4.7

When taking a series of calibration exposures, if arcing occurs, the arcing message appears on the console display. This does not mean that the series must be repeated (i.e. the software keeps track of which exposures in the series were successful even if it must repeat one due to arcing). Only if there were a serious arcing problem would the software abort the series, in which case it would have to be repeated.

5.4.8

If you are in the middle of IST 007, and must stop, continue at another time, there are certain steps that you need not repeat. For example:

JOB CARDS

5.4.2

D

if you have completed step 6.4.13, then you can start with step 6.5

D

if you have completed step 6.6.13, then you can start with step 6.7

D

if you have completed step 6.9.12, then you can start with step 6.10.

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Job Card IST 007

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SECTION 6 CALIBRATION OF PHOTO-CELL GAIN The objective is to determine the X–ray absorption of the screen. The calibration software achieves this by subtracting the photo-cell gain obtained with a screen from the photo-cell gain obtained without a screen. Therefore, each configuration must be calibrated twice – once with and once without a screen. 6 coefficients are calculated for each of 5 track/filter combinations. Thus, 30 coefficients are calculated for each of 4 different cases (2 configurations, each calibrated once with and once without a screen), for a total of 120 coefficients. Prepare the Senographe DMR for these procedures. 6.1.1

Note:

This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL 6.1.2

6.2

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3).

Set the SID to that used by the user, 610 mm or the most common 660 mm.

Prepare the Senographe DMR for the procedures using contact mode with grid (bucky 18 x 24 ). 6.2.1

Set up the Senographe DMR in the following configuration: 18 x 24 compression paddle installed Contact (no magnification) Bucky with Grid installed SID as indicated in section 6.1.2

6.2.2

Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/ FSC=x on the console, where x is the screen pair indicator (A,B,C,D,E) corresponding to the screen pair being calibrated. See Job Card IST 006 SCREEN PAIR SELECTION AND CONFIGURATION

6.2.3

Select CALIB/PM_yld/GRID/YES on the console. This sets up the calibration for the with grid procedure.

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JOB CARDS

6.1

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6.3

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Perform the procedure using contact mode with grid (bucky 18 x 24 ) and cassette without screen. 6.3.1

Be sure to be familiar with the advance preparation and information given in section 5 before proceeding, especially the information concerning the use, if permitted, of the screen–less cassette simulation tool. Also, be sure to prepare the Senographe DMR by following sections 6.1 and 6.2 before proceeding.

6.3.2

Select SETUP/SCREEN/NO on the console. This sets up the calibration for the cassette without screen procedure.

6.3.3

Install the loaded cassette (without screen).

WARNING JOB CARDS

Job Card IST 007

BE VERY SURE THAT THE CASSETTE WITHOUT SCREEN IS INSTALLED BECAUSE THE CHECK IN SECTION 6.4 WILL NOT SHOW AN ERROR DUE TO A MISTAKE HERE.

6.3.4

Put 2 cm of plexiglass on the bucky 18 x 24.

6.3.5

Lower the compression paddle onto the plexiglass.

6.3.6

Select SETUP/CALIB/CALIB/THICK/2 cm on the console. This tells the software the amount of plexiglass present.

6.3.7

Select SETUP/CALIB on the console.

6.3.8

Press the 2nd trigger button and hold it down. A series of X–ray exposures is taken (at least 25).

6.3.9

When the series of exposures is complete, the message thick plexi end appears on the console display. At this point, release the 2nd trigger button.

6.3.10 Raise the compression paddle and increase the amount of plexiglass to 4 cm. Select SETUP/ THICK/4 cm on the console. 6.3.11 Lower the compression paddle onto the plexiglass. Repeat sections 6.3.7 to 6.3.9. 6.3.12 Raise the compression paddle and increase the amount of plexiglass to 6 cm. Select SETUP/ THICK/6 cm on the console. 6.3.13 Lower the compression paddle onto the plexiglass. Repeat sections 6.3.7 to 6.3.9. 6.3.14 Select SETUP/CALC/VALID on the console. This executes the calculation of the 6 coefficients (A0, A1, A2, B0, B1, and B2) for each of 5 track/filter combinations. The message PM_yld cal end appears on the console display. 6.3.15 Proceed immediately to section 6.4 to check calibration accuracy.

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Check the contact mode with grid (bucky 18 x 24 ) and cassette without screen calibration accuracy.

Note:

This check must always be made immediately after performing the calibration procedure in section 6.3. 6.4.1

Copy the without screen parameters for the screen pair being calibrated to the with screen parameter location of an unused screen pair (generally E) by following this procedure: – Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/ FILM/COPY/SOURCE/SCREEN/NO on the console. – Select SETUP/FSC/FSC=x, where x is the screen pair indicator corresponding to the screen pair being calibrated. – Select SETUP/SETUP/TARG/SCREEN/YES. – Select SETUP/FSC/FSC=y, where y is the indicator of the unused screen pair.

CAUTION

Be very sure of the choice of unused screen pair indicator y (A, B, C, D or E). If a mistake is made, there is a risk of erasing good parameter values on another screen pair that is in use.

– Once you are SURE that the screen pair indicator y is correct (see CAUTION above), copy the parameters by selecting SETUP/SETUP/COPY/VALID. The message COPY EXECUTED appears on the console display. 6.4.2

If necessary, enable use of the unused screen pair. (From application mode, select SETUP/GENE/ INSTAL/GENE/AOP/FILM/ALGO/FSC=y/VALID/YES on the console.)

6.4.3

Enable visual display of parameter values when in application mode. See Display of Parameters Following an Exposure in chapter 1, section 1–5–2.

6.4.4

Perform a CKSUM and go to application mode.

6.4.5

Set up the Senographe DMR in the configuration given in section 6.2.1.

6.4.6

Install the loaded cassette (without screen).

6.4.7

Put 60 mm of plexiglass on the bucky.

6.4.8

Lower the compression paddle onto the plexiglass.

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JOB CARDS

6.4

Job Card IST 007

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6.4.9

Job Card IST 007

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Set up the following exposure: Mode: AEC (1–point) Screen pair: y (this is the indicator of the unused screen pair chosen in section 6.4.1) Focal spot: LARGE Track: MO Filter: MO HV: 30 kV

6.4.10 Take a short exposure. It is not necessary for the exposure to be complete, so the 2nd trigger button can be released as soon as X–rays are being produced.

JOB CARDS

Note:

Even if exposure is aborted due to insufficient available mAs, the thickness displayed on the console is useable. It is NOT USEFUL to wait for the tube to cool and repeat the exposure. 6.4.11 Note in the Job Card IST043 (IST007 data section) the thickness displayed on the console after the exposure. It must be equal to the plexiglass thickness ±2 mm. 6.4.12 Repeat sections 6.4.8 to 6.4.11 using 4 cm and 2 cm of plexiglass. 6.4.13 If the displayed thickness is outside the tolerance given in section 6.4.11, first check that the correct screen pair was selected in section 6.4.9. Otherwise, the corresponding calibration procedure (contact mode with grid and cassette without screen, section 6.3) was probably done incorrectly. That procedure, as well as this check procedure immediately following it, would have to be repeated (this can be done independently of the other procedures in this Job Card).

Note:

6.5

See formula in Job card IST043 (IST007 data): Delta (4cm) must be greater than Delta (2cm) and Delta (6cm) absolute value(Delta (2cm) – Delta (6cm)) < 1.5 mm.

Perform the procedure using contact mode with grid (bucky 18 x 24 ) and cassette with screen. 6.5.1

Be sure to be familiar with the advance preparation and information given in section 5 before proceeding. Also, be sure to prepare the Senographe DMR by following sections 6.1 and 6.2 before proceeding.

6.5.2

Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/FSC=x/CALIB/PM_yld on the console, where x is the screen pair being calibrated. This sets up the calibration for the cassette with screen procedure.

6.5.3

Install the loaded cassette (with screen).

WARNING

BE VERY SURE THAT THE CASSETTE WITH SCREEN IS INSTALLED BECAUSE THE CHECK IN SECTION 6.6 WILL NOT SHOW AN ERROR DUE TO A MISTAKE HERE.

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Job Card IST 007

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6.5.4

Put 2 cm of plexiglass on the cassette holder.

6.5.5

Lower the compression paddle onto the plexiglass.

6.5.6

Select CALIB/CALIB/THICK/2 cm on the console. This tells the software the amount of plexiglass present.

6.5.7

Select SETUP/CALIB on the console.

6.5.8

Press the 2nd trigger button and hold it down. A series of X–ray exposures is taken (at least 25).

6.5.9

When the series of exposures is complete, the message ”thick calib end” appears on the console display. At this point, release the 2nd trigger button.

6.5.10 Raise the compression paddle and increase the amount of plexiglass to 4 cm. Select SETUP/ THICK/4 cm on the console. 6.5.11 Lower the compression paddle onto the plexiglass. Repeat sections 6.5.7 to 6.5.9. 6.5.12 Raise the compression paddle and increase the amount of plexiglass to 6 cm. Select SETUP/ THICK/6 cm on the console. 6.5.13 Lower the compression paddle onto the plexiglass. Repeat sections 6.5.7 to 6.5.9. 6.5.14 Select SETUP/CALC/VALID on the console. This executes the calculation of the 6 coefficients (A0, A1, A2, B0, B1, and B2) for each of 5 track/filter combinations. The message PM_yld cal end appears on the console display. 6.5.15 Proceed immediately to section 6.6 to check calibration accuracy. 6.6

Check the contact mode with grid (bucky 18 x 24 ) and cassette with screen calibration accuracy.

Note:

This check must always be made immediately after performing the calibration procedure in section 6.5. 6.6.1

Enable visual display of parameter values when in application mode. Display of Parameters Following an Exposure in chapter 1, section 1–5–2.

6.6.2

If necessary, enable use of the screen pair being calibrated. (From application mode, select SETUP/ GENE/INSTAL/GENE/AOP/FILM/ALGO/FSC=x/VALID/YES on the console.)

6.6.3

Perform a CKSUM and go to application mode.

6.6.4

Select the screen pair being calibrated and verify that its name is as entered in Job Card IST 006 SCREEN PAIR SELECTION AND CONFIGURATION

6.6.5

Set up the Senographe DMR in the configuration given in section 6.2.1.

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JOB CARDS

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Job Card IST 007

6.6.6

Install the loaded cassette (with screen).

6.6.7

Put 6 cm of plexiglass on the cassette holder.

6.6.8

Lower the compression paddle onto the plexiglass.

6.6.9

Set up the following exposure:

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Mode: AEC (1–point) Screen pair: Select the name of the screen pair being calibrated Focal spot: LARGE Track: MO; Filter: MO HV: 30 kV JOB CARDS

Collimation: MAXIMAL SIZE 6.6.10 Take a short exposure. It is not necessary for the exposure to be complete, so the 2nd trigger button can be released as soon as X–rays are being produced. Note:

Even if exposure is aborted due to insufficient available mAs, the thickness displayed on the console is useable. It is NOT USEFUL to wait for the tube to cool and repeat the exposure. 6.6.11 Note in the Job Card IST043 (IST007 data section) the thickness displayed on the console after the exposure. It must be equal to the plexiglass thickness ±2 mm. 6.6.12 Repeat sections 6.6.8 to 6.6.11 using 4 cm and 2 cm of plexiglass. 6.6.13 If the displayed thickness is outside the tolerance given in section 6.6.11, first check that the correct screen pair was selected in section 6.6.9. Otherwise, the corresponding calibration procedure (contact mode with grid and cassette with screen, section 6.5) was probably done incorrectly. That procedure, as well as this check procedure immediately following it, would have to be repeated (this can be done independently of the other procedures in this Job Card).

Note:

6.7

See formula in Job card IST043 (IST007 data): Delta (4cm) must be greater than Delta (2cm) and Delta (6cm) absolute value(Delta (2cm) – Delta (6cm)) < 1.5 mm.

Prepare the Senographe DMR for the procedure using magnification mode without grid. Set up the Senographe DMR in the following configuration: D

18 x 24 cm compression paddle installed .

D

Magnification device installed (always in the bottom holes)

D

Magnification of 1.5 if the SID = 660 and Magnification of 1.4 if the SID = 610 Cassette holder 18 x 24 in place ( no grid ).

D

SID as indicated in section 6.1.2

D

Perform all the magnification calibration (with and without screen) in maximal collimation size. At each time you move the magnification plate, the collimation is set by default in minimal size 9x9.

Note:

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Perform the procedure using magnification mode without grid (cassette holder 18 x 24 ) and cassette without screen. 6.8.1

Be sure to be familiar with the advance preparation and information given in section 5 before proceeding, especially the information concerning the use, if permitted, of the screen–less cassette simulation tool. Also, be sure to prepare the Senographe DMR by following sections 6.1 and 6.7 before proceeding.

6.8.2

Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/ FSC=x on the console, where x is the screen pair indicator (A,B,C,D,E) corresponding to the screen pair being calibrated. See Job Card IST 006 SCREEN PAIR SELECTION AND CONFIGURATION

6.8.3

Select CALIB/PM_YLD/GRID/NO on the console. This sets up the calibration for the without grid procedure.

6.8.4

Select SETUP/SCREEN/NO on the console. This sets up the calibration for the cassette without screen procedure.

6.8.5

Install the loaded cassette (without screen).

WARNING

BE VERY SURE THAT THE CASSETTE WITHOUT SCREEN IS INSTALLED BECAUSE THE CHECK IN SECTION 6.9 WILL NOT SHOW AN ERROR DUE TO A MISTAKE HERE.

6.8.6

Put 2 cm of plexiglass on the magnification device.

6.8.7

Lower the compression paddle onto the plexiglass.

6.8.8

Check for maximal collimation size.

6.8.9

Select SETUP/CALIB/CALIB/THICK/2 cm on the console. This tells the software the amount of plexiglass present.

6.8.10 Select SETUP/CALIB on the console. 6.8.11 Press the 2nd trigger button and hold it down. A series of X–ray exposures is taken (at least 25). Note:

The small focus is automatically selected during this calibration. 6.8.12 When the series of exposures is complete, the message ”thick calib end” appears on the console display. At this point, release the 2nd trigger button. 6.8.13 Raise the compression paddle and increase the amount of plexiglass to 40 mm. Select SETUP/ THICK/4 cm on the console. 6.8.14 Lower the compression paddle onto the plexiglass. Repeat sections 6.8.10 to 6.8.12. 6.8.15 Raise the compression paddle and increase the amount of plexiglass to 6 cm. Select SETUP/ THICK/6 cm on the console.

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JOB CARDS

6.8

Job Card IST 007

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Job Card IST 007

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6.8.16 Lower the compression paddle onto the plexiglass. Repeat sections 6.8.10 to 6.8.12. 6.8.17 Select SETUP/CALC/VALID on the console. This executes the calculation of the 6 coefficients (A0, A1, A2, B0, B1, and B2) for each of 5 track/filter combinations. The message PM_yld cal end appears on the console display. 6.8.18 Proceed immediately to section 6.9 to check calibration accuracy. 6.9

Check the magnification mode without grid (cassette holder 18 x 24 ) and cassette without screen calibration accuracy.

Note:

This check must always be made immediately after performing the calibration procedure in section 6.8.

JOB CARDS

6.9.1

Copy the without screen parameters for the screen pair being calibrated to the with screen parameter location of an unused screen pair (generally E) by following this procedure: – Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/ FILM/COPY/SOURCE/SCREEN/NO on the console. – Select SETUP/FSC/FSC=x, where x is the screen pair indicator corresponding to the screen pair being calibrated. – Select SETUP/SETUP/TARG/SCREEN/YES. – Select SETUP/FSC/FSC=y, where y is the indicator of the unused screen pair.

CAUTION

Be very sure of the choice of unused screen pair indicator y (A, B, C, D or E). If a mistake is made, there is a risk of erasing good parameter values on another screen pair that is in use.

– Once you are SURE that the screen pair indicator y is correct (see CAUTION above), copy the parameters by selecting SETUP/SETUP/COPY/VALID. The message COPY EXECUTED appears on the console display. 6.9.2

Enable visual display of parameter values when in application mode. See Display of Parameters Following an Exposure in chapter 1, section 1–5–2

6.9.3

Perform a CKSUM and go to application mode.

6.9.4

Set up the Senographe DMR in the configuration given in section 6.7.

6.9.5

Install the loaded cassette (without screen).

6.9.6

Put 6 cm of plexiglass on the magnification device.

6.9.7

Lower the compression paddle onto the plexiglass.

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6.9.8

Job Card IST 007

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Set up the following exposure: Mode: AEC (1–point) Screen pair: y (this is the indicator of the unused screen pair chosen in section 6.9.1) Focal spot: SMALL (IMPORTANT for thickness accuracy) Track: MO Filter: MO HV: 30 kV Collimation: maximal size.

Note:

Take a short exposure. It is not necessary for the exposure to be complete, so the 2nd trigger button can be released as soon as X–rays are being produced. Even if exposure is aborted due to insufficient available mAs, the thickness displayed on the console is useable. It is NOT USEFUL to wait for the tube to cool and repeat the exposure.

6.9.10 Note in the Job Card IST043 (IST007 data section) the thickness displayed on the console after the exposure. It must be equal to the plexiglass thickness ±2 mm. 6.9.11 Repeat sections 6.9.7 to 6.9.10 using 4 cm and 2 cm of plexiglass. 6.9.12 If the displayed thickness is outside the tolerance given in section 6.9.10, first check that the correct screen pair was selected in section 6.9.8. Otherwise, the corresponding calibration procedure (1.5 magnification mode without grid and cassette without screen, section 6.8) was probably done incorrectly. That procedure, as well as this check procedure immediately following it, would have to be repeated (this can be done independently of the contact mode procedures in this Job Card). Note:

See formula in Job card IST043 (IST007 data): Delta (4cm) must be greater than Delta (2cm) and Delta (6cm) absolute value(Delta (2cm) – Delta (6cm)) < 1.5 mm.

6.10 Perform the procedure using magnification mode without grid (cassette holder 18 x 24 ) and cassette with screen. 6.10.1 Be sure to be familiar with the advance preparation and information given in section 5 before proceeding. Also, be sure to prepare the Senographe DMR by following sections 6.1 and 6.7 before proceeding. 6.10.2 Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/ FSC=x on the console, where x is the screen pair indicator (A,B,C,D,E) corresponding to the screen pair being calibrated. See Job Card IST 006 SCREEN PAIR SELECTION AND CONFIGURATION 6.10.3 Select CALIB/PM_YLD/GRID/NO on the console. This sets up the calibration for the without grid procedure.

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JOB CARDS

6.9.9

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Job Card IST 007

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6.10.4 Install the loaded cassette (with screen).

WARNING

BE VERY SURE THAT THE CASSETTE WITH SCREEN IS INSTALLED BECAUSE THE CHECK IN SECTION 6.11 WILL NOT SHOW AN ERROR DUE TO A MISTAKE HERE.

6.10.5 Put 2 cm of plexiglass on the magnification device. 6.10.6 Lower the compression paddle onto the plexiglass. 6.10.7 Check for maximal collimation size.

JOB CARDS

6.10.8 Select SETUP/CALIB/CALIB/THICK/2 cm on the console. This tells the software the amount of plexiglass present. 6.10.9 Select SETUP/CALIB on the console. 6.10.10 Press the 2nd trigger button and hold it down. A series of X–ray exposures is taken (at least 25). Note:

The small focus is automatically selected during this calibration. 6.10.11 When the series of exposures is complete, the message ”thick calib end” appears on the console display. At this point, release the 2nd trigger button. 6.10.12 Raise the compression paddle and increase the amount of plexiglass to 4 cm. Select SETUP/ THICK/4 cm on the console. 6.10.13 Lower the compression paddle onto the plexiglass. Repeat sections 6.10.9 to 6.10.11. 6.10.14 Raise the compression paddle and increase the amount of plexiglass to 6 cm. Select SETUP/ THICK/6 cm on the console. 6.10.15 Lower the compression paddle onto the plexiglass. Repeat sections 6.10.9 to 6.10.11. 6.10.16 Select SETUP/CALC/VALID on the console. This executes the calculation of the 6 coefficients (A0, A1, A2, B0, B1, and B2) for each of 5 track/filter combinations. The message PM_yld cal end appears on the console display. 6.10.17 Proceed immediately to section 6.11 to check calibration accuracy.

6.11 Check the magnification mode without grid (cassette holder 18 x 24 ) and cassette with screen calibration accuracy. Note:

This check must always be made immediately after performing the calibration procedure in section 6.10. 6.11.1 Enable visual display of parameter values when in application mode. See Display of Parameters Following an Exposure in chapter 1, section 1–5–2.

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Job Card IST 007

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6.11.2 If necessary, enable use of the screen pair being calibrated. (From application mode, select SETUP/ GENE/INSTAL/GENE/AOP/FILM/ALGO/FSC=x/VALID/YES on the console.) 6.11.3 Perform a CKSUM and go to application mode. 6.11.4 Select the screen pair being calibrated and verify that its name is as entered in Job Card IST 006 SCREEN PAIR SELECTION AND CONFIGURATION 6.11.5 Set up the Senographe DMR in the configuration given in section 6.7. 6.11.6 Install the loaded cassette (with screen). 6.11.7 Put 6 cm of plexiglass on the magnification device.

6.11.9 Set up the following exposure: Mode: AEC (1–point) Screen pair: Select the name of the screen pair being calibrated Focal spot: SMALL (IMPORTANT for thickness accuracy) Track: MO Filter: MO HV: 30 kV Collimation: maximal size. 6.11.10 Take a short exposure. It is not necessary for the exposure to be complete, so the 2nd trigger button can be released as soon as X–rays are being produced. Note:

Even if exposure is aborted due to insufficient available mAs, the thickness displayed on the console is useable. It is NOT USEFUL to wait for the tube to cool and repeat the exposure. 6.11.11 Note in Job Card IST043 the thickness displayed on the console after the exposure. It must be equal to the plexiglass thickness ±2 mm. 6.11.12 Repeat sections 6.11.8 to 6.11.11 using 4 cm and 2 cm of plexiglass.

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JOB CARDS

6.11.8 Lower the compression paddle onto the plexiglass.

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Job Card IST 007

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6.11.13 If the displayed thickness is outside the tolerance given in section 6.11.11, first check that the correct screen pair was selected in section 6.11.9. – otherwise, the corresponding calibration procedure (1.5 magnification mode without grid and cassette with-screen, section 6.10) was probably done incorrectly. That procedure, as well as this check procedure immediately following it, will have to be repeated (it can be done independently of the other procedures in this Job Card). Note:

See formula in Job card IST043 (IST007 data): Delta (4cm) must be greater than Delta (2cm) and Delta (6cm) absolute value(Delta (2cm) – Delta (6cm)) < 1.5 mm.

JOB CARDS

6.11.14 It is ESSENTIAL to disable the UNUSED screen pair y that was used to test the without-screen parameters (from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ ALGO/FSC=y/VALID/NO). 6.11.15 If necessary, disable use of the screen pair being calibrated (from application mode, select SETUP/ GENE/INSTAL/GENE/AOP/FILM/ALGO/FSC=x/VALID/NO, but see CAUTION in section 3.) SECTION 7 CALIBRATING THE 5TH COUPLE (ONLY) Perform this calibration only when you need to calibrate the 5th couple. Presuming that the last free couple is E the procedure is as shown below. 7.1

Perform the no-screen/contact-mode calibration (similar to the procedure in Section 6.3)

7.2

Copy E no-screen to E with-screen and test (similar to the procedure in Section 6.4)

7.3

Repeat 7.1 and 7.2 in magnification-mode (similar to the procedure in Sections 6.8 & 6.9)

7.4

Perform the with-screen/contact-mode calibration and test (similar to the procedure in Section 6.6 & 6.5)

7.5

Repeat 7.4 in magnification-mode and test (similar to the procedure in Section 6.10 & 6.11).

Note:

The above method could be applied to all couples, but is more time-consuming.

SECTION 8 COPY OF PARAMETERS FOR ANOTHER FILM/SCREEN COMBINATION

CAUTION

Perform this procedure VERY CAREFULLY and EXACTLY as given below. Failure to copy the parameters correctly could ruin the calibration of existing calibrated screen pairs.

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Job Card IST 007

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1. Starting from application mode, select (see illustration 1–10) SETUP/GENE/INSTAL/GENE/AOP/FILM/COPY/SOURCE/SCREEN/NO on the console. 2. Select SETUP/FSC/FSC=x, where x is the screen pair indicator corresponding to an existing calibrated screen pair using the same cassette as the screen pair currently being calibrated. 3. Select SETUP/SETUP/TARG/SCREEN/NO. 4. Select SETUP/FSC/FSC=y, where y is the indicator of the screen pair being calibrated. 5. Once you are SURE that the screen pair indicator y is correct, copy the without screen parameters by selecting SETUP/SETUP/COPY/VALID. The message COPY EXECUTED appears on the console display.

7. Select SETUP/FSC/FSC=x, where x is the screen pair indicator corresponding to an existing calibrated screen pair using the same cassette as the screen pair currently being calibrated. 8. Select SETUP/SETUP/TARGET/SCREEN/YES. 9. Select SETUP/FSC/FSC=y, where y is the indicator of the screen pair being calibrated. 10. Once you are SURE that the screen pair indicator y is correct, copy the with screen parameters by selecting SETUP/SETUP/COPY/VALID. The message COPY EXECUTED appears on the console display.

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JOB CARDS

6. Select SETUP/SOURCE/SCREEN/YES on the console.

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CALIBRATION OF PHOTO-CELL GAIN FOR A GIVEN SCREEN PAIR

Job Card IST 007

JOB CARDS

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Job Card IST 008

1 of 4

Version No.:

UNPACKING THE EQUIPMENT

Date: Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None

D

Ratchet wrench with 22 mm socket

D

6 mm Allen wrench

D

Claw hammer or other suitable tool for removing packing nails

SECTION 3 SAFETY PRECAUTIONS D

Follow standard safety practices for handling and moving large machines.

CAUTION

Never lift or move the gantry by its handles.

SECTION 4 PREREQUISITES None

3–51

JOB CARDS

SECTION 2 TOOLS

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Job Card IST 008

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SECTION 5 UNPACKING THE EQUIPMENT The objective is to unpack the gantry, generator and accessories and move them to the mammography room. 5.1

Inspect for damage and perform initial unpacking. The Senographe DMR was completely inspected for proper operation and appearance before shipment. However, it is necessary to inspect the product after the shipment is received. Visually inspect the packages for any apparent damage. If there are signs of damage, refer to the Damage in Transportation statement in the front of this manual. Open the packages and refer to the Product Delivery Instructions (PDI). Verify that items on the list are present in the package. Carefully examine the contents for small parts.

JOB CARDS

5.2

5.3

Perform initial unpacking. 5.2.1

Remove the outer cardboard covering from the crate.

5.2.2

Remove ramp from crate and put it in place.

5.2.3

Remove the protective screen and the other accessories from the crate and move them into the mammography room.

Unpack gantry. 5.3.1

Use the 6 mm Allen wrench to remove the four gantry baseplate shipping hold–down screws.

5.3.2

Thread the four special jacking bolts (provided in the accessory pouch) into their respective holes in the gantry baseplate. Place the four flat round jack feet (provided in the accessory pouch) on the floor of the crate with their nipples facing upwards. Continue turning the jacking bolts downwards until their hollowed ends engage with the nipples of the jack feet.

5.3.3

Use the ratchet wrench with a 22 mm socket to progressively jack the gantry up via the four jacking bolts.

5.3.4

When gantry baseplate is high enough to be clear of the wooden support blocks, remove these blocks.

5.3.5

Lower the gantry progressively via the four jacking bolts until it is fully supported by the castors.

5.3.6

Leave the four special jacking bolts threaded into the gantry baseplate and keep the jack feet aside (the jack feet will be used again when installing the gantry).

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5.3.7

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Carefully roll the gantry down the ramp and into the mammography room.

CAUTION

Never lift or move the gantry by its handles.

Unpack generator. 5.4.1

Remove the supports from the generator cabinet.

5.4.2

Carefully roll the generator down the ramp and into the mammography room.

JOB CARDS

5.4

Job Card IST 008

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Job Card IST 008

JOB CARDS

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Job Card IST 009

1 of 2

Version No.:

PHYSICAL INSTALLATION

Date: Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS Ratchet wrench with 22 mm socket

D

8 mm Allen wrench

D

Drill

D

Screwdrivers

JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS D

Follow standard safety practices for handling and moving large machines.

CAUTION

Never lift or move the gantry by its handles.

SECTION 4 PREREQUISITES D

Job Card IST 008 ”UNPACKING THE EQUIPMENT”

SECTION 5 PHYSICAL INSTALLATION The objective is to place and anchor physically the gantry in its permanent position, and to assemble the protective screen. Note:

The generator is not permanently installed in this Job Card because it must remain mobile until the wiring between it and the gantry is complete (Job Card IST 010 ”WIRING”). The generator must therefore remain on its castors for the moment. The ”CE” marking label, located on one of the large side panels of the generator, must remain visible after installation of the generator.

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Install and anchor the gantry into its permanent position.

JOB CARDS

5.1

Job Card IST 009

Note:

D

Before you proceed, it is recommended to perform a final verification of the information given in the Pre– Installation Manual, particularly concerning clearances around the gantry when installed in its permanent position.

D

If no Stereotix 2 is to be installed, the anchoring is not mandatory, only recommended (except in seismic area). 5.1.1

Place the drilling template (provided in the installation kit) flat on the floor, align it with the desired permanent position and mark the three gantry mounting hole centers on the floor.

5.1.2

Drill the three gantry mounting holes (depth and diameter depend on the type of insert to be used – see below).

5.1.3

Place the appropriate type of insert (not provided) into each of the three mounting holes (depending on the type and thickness of floor). The inserts should be able to receive the 10 x 80 mm screws (provided), or, for U.S. installations, the closest U.S. equivalent (not provided).

5.1.4

Wheel the gantry so that its three baseplate mounting holes are aligned with the three holes drilled in the floor.

5.1.5

Place the four flat round jack feet on the floor with their nipples facing upwards.

5.1.6

Turn the four jacking bolts downwards until their hollowed ends engage with the nipples of the four jack feet.

5.1.7

Use the ratchet wrench with a 22 mm socket to progressively jack the gantry up via the four jacking bolts until the castors are clear of the floor.

5.1.8

Use the 8 mm Allen wrench to remove the castors.

5.1.9

Lower the gantry progressively via the four jacking bolts until it is fully supported by its baseplate. Remove the four jacking bolts completely. The four jack feet remain below the gantry baseplate. If the floor is not perfectly even, level the DMR base using the 4 screws PN 45562657 (provided in installation kit). Insert them in place of the jacking blots to push on the jack feet.

5.1.10 To provide access to all three gantry baseplate mounting holes (one of the holes is located inside the gantry column), remove the two column side panels (see IST 032 if necessary). 5.1.11 Bolt the gantry to the floor with the three 10 x 80 mm diameter screws (provided) or, for U.S. installations, the closest U.S. equivalent (not provided). 5.1.12 Cover all unused gantry baseplate holes with the plastic plugs provided. 5.2

Assemble the protective screen. See the mounting instructions delivered with the X–ray shield (one to three panels). Anchoring to the floor is not mandatory (except in seismic areas).

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Job Card IST 010

1 of 12

Version No.:

CONNECTING THE CABLES AND HV TANK CHECK

Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES D

None

SECTION 2 TOOLS Standard set of socket wrenches and nut drivers

D

Standard set of open end wrenches

D

HV grease: GE P/N C333633

JOB CARDS

D

SECTION 3 SPECIAL SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES The chronological order given in Installation Steering in Chapter 1 must be followed.

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Job Card IST 010

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SECTION 5 CONNECTING THE CABLES The objective is to connect the cables between the generator, gantry and console, and to connect, if used, the X-ray lamp, room-lamp and room-door wires to the generator. The AC supply cable is not connected in this Job Card - that operation is performed in IST 011. Note:

If applicable and for convenience and tidiness, excessive cable length can be stored in a coil (with a maximum diameter of 350mm) in the enclosed space underneath the generator (there is a recess in the botom of one of the side panels that allows the cable to pass under the panel).

JOB CARDS

ILLUSTRATION 1 COILING AND STORING EXCESS CABLE

Generator cabinet

350mm maximum

5.1

Routing and connecting the cable loom to the generator The cables are already connected to the gantry - it is only necessary to route and connect them to the generator. Do not cable-tie the cables until they have all been routed and connected. 1. Determine the normal working positions of the gantry and the generator and position them there. 2. Remove the cable harness from the gantry and, as appropriate, either lay the cables in the floor or wall ducting, or coil excessive cable length and store it under the generator (see Illustration 1). 3. Undo the four screws on the top cover of the generator cabinet and lift off the cover. 4. Lift up and remove the generator’s end covers (item 1 in Illustration 1) and then the side covers. 5. Bolt the cable-support bracket to the lower cross-member of the chassis adjacent to the HV unit (see Illustration 2). 6. Referring to Table 1, identify the cables in the harness and their termination details.

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Job Card IST 010

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ILLUSTRATION 2 LOCATION OF THE CABLE-SUPPORT BRACKET

Bracket mounting screws (screwed in place for shipment)

JOB CARDS

Mounting bracket

TABLE 1 CABLE AND TERMINATION IDENTIFICATION

Cable

Colour

Connects to

Shown on Illustration

Anode return (+HT)

Black

HV tank

3

HV cable

Grey

HV tank

3

Emergency stop

Grey

TB1 Auto–transformer

7

Gantry ground

Green/yellow

Grounding bar

4

Gantry DC supply

Brown

Fiber-optic links

Black and grey

Starter motor cable

White

∗

XJ6 (+VE)

200-PL2 : XJ7 (–VE)

400PL2: XJ6 through XJ9 300PL2 XJ2∗

4 5 6

The screen of this cable is terminated with a metal grounding clip which must be securely fixed with the screw pre-installed on the panel (see Illustration 6 for location).

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5.2

Job Card IST 010

4 of 12

Connecting the HV cable 1. Remove the protective covering from the HV cable connector and apply HV grease to it. 2. Plug the HV cable into the HV unit and carefully tighten the connecting ring (item 2 in Illustration 3). 3. To ensure proper grounding of the HV cable, tighten the 1.5 mm screw on the top of the cable locking ring.

Note: 5.3

If the HV cable is not properly grounded, then intermittent console lock-up and random error messages could occur – in such an event, check the grounding at both ends of the cable.

Connecting the anode return cable

JOB CARDS

1. Connect the X-ray tube anode return wire (marked BLOC +HT) to the threaded stud marked with a ground symbol on the top of the HV unit (item 1 in Illustration 3). Do not tighten the nut excessively – doing so may well damage the thread or break off the stud and in such an event the sealed HV unit would have to be returned to the factory for repair.

CAUTION ILLUSTRATION 3 HV TANK CONNECTIONS

1

TB1

2

200 PL4

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Job Card IST 010

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ILLUSTRATION 4 GANTRY DC SUPPLY AND GROUND CONNECTIONS

400 PL3

400 PL1

Capacitor box

JOB CARDS

400 PL2

200 PL2

XJ6 XJ7

701 PL1

1 Power Line Filter

5.4

Power Line Filter

ÅÅ ÅÅ

Connecting the gantry power and grounding cables 1. Referring to Illustration 4, route the gantry 27v power cables to 200PL2: the +ve connector to XJ6, the 0v connector to XJ5 (cables are routed under the capacitor box, through the middle of the generator). 2. Route the green/yellow ground cable using the same way and connect it to the grounding bar (item 1 in Illustration 4).

WARNING

BE VERY CAREFUL: YOU CONNECT THE GANTRY CABLES TO XJ6 & 7 ON 200 PL2 AND NOT TO XJ6 & 7 ON 200 PL1 – THE 200PL1 CONNECTORS CARRY LINE LEVEL AC VOLTAGES WHICH, IF CONNECTED TO THE GANTRY, WILL CAUSE CONSIDERABLE DAMAGE TO THE GANTRY COMPONENTS.

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Job Card IST 010

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ILLUSTRATION 5 FIBRE-OPTIC LINKS CONNECTION

400 PL3

XJ6 through XJ9

400 PL1 400 PL2

JOB CARDS

Fibreoptic cables

200 PL2

701 PL1

Power Line Filter

5.5

Power Line Filter

ÅÅ ÅÅ

Connecting the fibre-optic cables

CAUTION

Fibre-optic cables are more fragile than ordinary coper-stranded cable and you must therefore treat them with greater care – bend or twist them only as much as is strictly necesary to install and connect them.

1. Route the black plastic pipe protecting the fibre-optic cables as shown in Ilustration 5, taking care to keep a smooth radius on all bends (fibers are routed under the capacitor box, through the middle of the generator). 2. Identify the four connectors XJ6 through XJ9 on the generator interface board 400PL2 and connect the four fibre-optic cables to their respective connectors.

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Job Card IST 010

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ILLUSTRATION 6 ANODE STARTER MOTOR CABLE CONNECTION

Anode starter cable

400 PL3

400 PL1 400 PL2

JOB CARDS

Metal grounding clip here

200 PL2

701 PL1

Power Line Filter

5.6

ÅÅ ÅÅ

Connecting the anode starter cable 1. Route the anode starter cable (marked 300 PL2 XJ2) as shown in Illustration 6 and connect it to XJ2 on the anode starter board 300PL2. 2. Remove the metal grounding clip; pass the anode starter cable inside and bolt the metal grounding clip back to the panel.

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5.7

Job Card IST 010

8 of 12

Connecting the emergency stop cable 1. Route the emergency stop 2–wire cable (marked Auto–transformer TB1–200PL2 XJ10) as shown in Illustration 7 and connect it to the orange connector TB1 (available for systems shipped after October, 2000) located on top of the Auto–transformer (TB1 location is shown on illustration 3).

CAUTION

Do not over tight – excessive tightening may well strip the thread in the sheet metal.

JOB CARDS

ILLUSTRATION 7 EMERGENCY STOP CABLE CONNECTION

400 PL3

400 PL1 400 PL2

Emergency cable 200 PL2 XJ 10

701 PL1

Power Line Filter

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5.8

Job Card IST 010

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X-ray ON and room door wiring Refer to IST042 for connecting the X-ray ON and room-door wiring.

5.9

Connecting the console cable. 1. Route console cable (provided in the accessory pouch) from console to generator.

Note:

Console cable goes on the inside of the middle generator cross-member. 2. Locate connector XJ8 on generator command board 400PL1 and connect this cable to it.

CAUTION

Tighten the connector retaining screws finger tight only at each end of console cable.

5.10 Connecting the compression footswitch cables (See illustration 8). 5.10.1 2–Pedal Footswitch basic hardware (Compression): 1. Remove gantry column left side cover to access 800 PL1 Gantry Power Board. 2. Route the two footswitch cables along gantry main harness (use ties). 3. Attach each footswitch cable to the Gantry chassis using a clamping plate (4), 4. Connect the two footswitch cables to the fixed connectors XJ10A and XJ10B on the Gantry 800PL1 Power Board (2). 5.10.2 4–Pedal Footswitch optional hardware (Compression + Elevator): 1. Remove gantry column left side cover to access 800 PL1 Gantry Power Board 2. Route the two footswitch cables along gantry main harness (use ties). 3. Attach each footswitch cable to the Gantry chassis using a clamping plate (4). 4. Connect the two compression footswitch cables to fixed connectors XJ10A and XJ10B on the Gantry 800PL1 Power Board (2). 5. Connect the two elevator control footswitch cables to the “flying” connectors XJ13A and XJ13B (3).

3–65

JOB CARDS

3. Route and connect opposite end of console cable to the console.

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Job Card IST 010

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ILLUSTRATION 8 FOOTSWITCH CABLE CONNECTION      

      

 !!" #!" ! "! !"!

JOB CARDS



"& #'()* ) +,' , - * . ( *  ''



 

    



       

      

 !!" #!" ! "! !"!





! "!

 

! "! 

! / ! /

$ !!" #!"  %!" !"!

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Job Card IST 010

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5.11 Final cable dressing and tying 2. Secure the HV cable to the lower and middle cross-members with two cable-ties (one on each cross-member). 3. Arrange the remaining cables, then attach them to the lower and middle cabinet cross-members with two cable-ties (one on each cross-member). Note:

Secure the anode current return wire BLOC +HT to the lower cross-member only.

4. Secure the X-ray lamp and room lamp wires (if used) to the lower and middle cross-members with two cable-ties (one on each cross-member).

6. Attach the two gantry power leads and the protective grounding cable to the lower cabinet cross-member with a cable-tie.

3–67

JOB CARDS

5. Leaving sufficient slack to avoid stress on the fibre-optic connectors, attach the black plastic tubing to the middle cross-member with a cable-tie.

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Job Card IST 010

SECTION 6 HV TANK 1. In order to release pressure during long exposure loosen by 3mm the vent screw of the HV tank. ILLUSTRATION 9 HV TANK

JOB CARDS

VENT SCREW

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Job Card IST 011

1 of 6

Version No.:

CONNECTING TO THE AC SUPPLY

Date: Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None

Note:

D

AC voltmeter

D

Torque wrench (optional) The recommended torque for all lug nuts is 4 Nm

SECTION 3 SAFETY PRECAUTIONS Follow standard safety techniques and procedures for handling equipment and circuits carrying AC supply voltages. SECTION 4 PREREQUISITES You must follow the chronological order given in Installation Steering in Chapter 1.

3–69

JOB CARDS

SECTION 2 TOOLS

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Job Card IST 011

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SECTION 5 CONNECTING TO THE AC SUPPLY The objective is to determine the nominal voltage and frequency of the available power source, configure the DMR generator accordingly, and connect it to the AC supply. 5.1

Checking the nominal line voltage and frequency Consult the user to determine the nominal line voltage and frequency, then measure the open-circuit line voltage to verify that it corresponds to that nominal line voltage ± 10%. Allowable nominal line voltages are 200, 208, 220, 240, 380, 415 V single-phase.

5.2

Positioning the voltage selection board

JOB CARDS

Referring to llustration 1 and Table 1, install the voltage selection board IN2 on the AC Distribution board 200-PL1 according to the nominal AC supply voltage. 5.3

Configuring the DMR according to the line frequency The DMR operates with either a 50 or 60 Hz line frequency without adjustment.

5.4

Voltage selection Referring to llustration 1, check the position of the wire SEL on the AC Distribution board 200-PL1 – it will probably be connected to the 240v transformer tap. If this tap selection does not correspond to the nominal (not the measured) line voltage you determined in section 5.1, then remove and reconnect the SEL wire to the appropriate terminal.

Note:

Do not make a connection to the 0V terminal for the SEL wire – the terminal is reserved exclusively for performing the measurement in Job Card IST 012 and the DMR cannot function normally when the SEL wire is in this position.

TABLE 1 POSITION OF VOLTAGE SELECTION BOARDS IN2 AND SEL WIRE

Nominal single-phase line voltage

Position of IN2

Position of SEL wire

415V

HT

415V

380V

HT

380V

240V

BT

240V

220V

BT

220V

208V

BT

208V

200V

BT

200V

440V 480V

use transformer reference : 45563370 and 380V configuration

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Job Card IST 011

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SEL wire HV tank 701 200 PL1

IN2 board position

3–71

BT for <240v

HT for >380v

AC input

AC input

JOB CARDS

ILLUSTRATION 1 LOCATION OF VOLTAGE SELECTION BOARD IN2 AND SEL WIRE

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5.5

Job Card IST 011

4 of 6

Configure fuses F1, F2. To configure these fuses (see illustration 2 for location), follow the indications on the label located on the bottom of the generator cabinet, just below the AC supply switch S1.

WARNING

FOR SAFE OPERATION OF THE DMR, PAY PARTICULAR ATTENTION TO THE INFORMATION ON THIS LABEL. DETERMINE WHETHER THE AC SUPPLY CONSISTS OF TWO PHASES OF A THREE-PHASE SYSTEM, OR A SINGLE PHASE AND NEUTRAL.

JOB CARDS

WHEN THE SUPPLY IS SINGLE-PHASE WITH NEUTRAL, A METAL CYLINDER (delivered with the DMR) MUST BE INSTALLED INSTEAD OF F1. ILLUSTRATION 2 LOCATION OF THE FUSES

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5.6

Job Card IST 011

5 of 6

Connecting the AC supply cable. 1. Verify that generator AC supply Switch 200-S1 is in the 0 position and that AC supply is OFF. 2. Connect the AC line and neutral wires to the L & N terminals and the ground wire to the yellow/green terminal as shown in illustration 3. 3. Cable-tie the cable to the lower cross-member of the cabinet using the holes provided in the cross-member. 4. Route and connect the other end of the supply cable to the AC supply source.

ILLUSTRATION 3 CONNECTING THE AC SUPPLY CABLE

Tie up JOB CARDS

AC supply cable

200 PL1

HV tank 701

200 PL4

200 PL2

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Job Card IST 011

JOB CARDS

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Job Card IST 012

LINE RESISTANCE MEASUREMENT

1 of 4

Version No.: Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS a.c. voltmeter with MIN and MAX VOLT readout

SECTION 3 SAFETY PRECAUTIONS

CAUTION

During the procedures in this Job Card, you will be in close proximity to circuits operating at line voltage – take appropriate precautions.

SECTION 4 PREREQUISITES You must follow the chronological order given in Installation Steering in Chapter 1. Note:

Make sure the console is connected to the Senographe generator.

3–75

JOB CARDS

D

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Job Card IST 012

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SECTION 5 LINE RESISTANCE MEASUREMENT The objective is to determine the resistance at the line input to the Senographe generator cabinet. The result of this measurement may have an impact on the maximum allowable generator power (which will be set in a later procedure). Preparation. 5.1.1

Switch off the Senographe and set the generator power switch 200–S1 to the 0 position.

5.1.2

Disconnect voltage selection wire SEL from its normal lug on the generator board 200–PL1, and reconnect it to the 0V lug.

JOB CARDS

5.1

Note:

The 0V position of the SEL wire is reserved exclusively for this line resistance measurement. The Senographe cannot function normally when the SEL wire is in this position. Do not attempt to switch on the Senographe at this point – follow the instructions below. 5.1.3

Connect the ac voltmeter to the input end of the supply filter and write down the value of the opencircuit line voltage: V1 = ......................................

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Procedure. 5.2.1

Note:

Turn the AC supply on, set the generator switch 200–S1 to the 1 position. Read the next step completely before performing it because you will have only 3 seconds to read the voltmeter (if you miss the reading you will have to wait about 15 minutes to re-take it). Use MIN – MAX readout mode of your voltmeter.

5.2.2

Note:

While looking at the voltmeter, press the power on switch on the generator board 200–PL2. During a period of three seconds, a resistive load (power resistors R1 and R4 on the generator board) will be connected across the line input, causing a drop in the voltage reading on the voltmeter. Note and write down this closed circuit voltage: V2 = .................................... After this three-second period the red LED DE3 on the generator board will light, indicating that heating of the resistive load prevents an immediate repeat reading. After about 15 minutes, the LED will go out and the reading can be repeated if necessary.

5.2.3

Calculate line resistance RL according to the formula: RL = [(V1 – V2)/V2]  RINT where RINT, the internal resistive load, depends on the nominal mains voltage: voltage (V) 200 208 220 240 380 415

5.2.4

RINT (Ω) 11 11 11 11 44 44

Having determined the line resistance RL, find the maximum generator power from table 2. Example: The calculated line resistance is 0.41W. Table 2 shows the highest generator power that can be delivered with a line resistance of 0.41W and an AC supply of 240v. The maximum allowable generator power is therefore 3.5 kW.

Note:

The maximum allowable generator power will be set later.

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5.2

Job Card IST 012

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Job Card IST 012

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TABLE 2 MAXIMUM GENERATOR POWER FOR GIVEN LINE RESISTANCE AND AC VOLTAGE

3.0

Maximum allowable generator power 3.5 4.0 4.5

5.0

415V

1.43

1.31

1.19

1.07

0.95

380V

1.20

1.10

1.00

0.90

0.80

240V

0.48

0.44

0.40

0.36

0.32

220V

0.40

0.37

0.34

0.30

0.27

208V

0.36

0.33

0.30

0.27

0.24

200V

0.33

0.30

0.28

0.25

0.22

JOB CARDS

Nominal AC voltage

5.2.5

Turn off the Senographe.

5.2.6

Set the generator power switch to the 0 position and switch off the AC power.

5.2.7

Disconnect the line voltage selection wire SEL from the 0V lug on the generator board and reconnect it to the lug corresponding to the nominal (not measured) AC line voltage. Tighten the lug nuts to a torque setting of 4Nm.

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Job Card IST 013

CALIBRATION OF FILM RECIPROCITY LAW FAILURE

Version No.:

COMPENSATION FOR A GIVEN SCREEN PAIR

Date:

Time: x h xx min

1 of 10

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS Normal cassette and a supply of unexposed films of type used in the screen pair being calibrated

D

Sensitometer and densitometer.

JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS

CAUTION

NEVER leave the Senographe DMR unattended during calibration of a screen pair.

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES You must strictly follow the order of AEC calibration for each screen pair given in Installation Steering in Chapter 1. In particular, the three film reciprocity law failure compensation parameters A0, A1 and A2 for the screen pair being calibrated must be unknown. If they are known, it is useless to follow the procedures in this Job Card (see AEC calibration sequence and “Recommendations for AEC/AOP calibration procedure” given in Installation Steering of Chapter 1). Note:

In the case of error messages during this calibration, see IST 041 for the explanation.

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SECTION 5 PROCEDURE.

JOB CARDS

5.1

5.2

General instructions D

The photo cell must be in its most forward position (towards the patient) throughout the procedures in this Job Card.

D

When placing plexiglass on the cassette holder, the plexiglass must always overlap the front edge (towards the patient) by about 10mm to ensure that the photo cell is fully covered.

D

Whenever the optical density of a film is measured, the measurement is always relative to the film base fog level (net density). Thus, you must null out the densitometer on the film base fog,(unexposed area of the film); then measure the Net density in the middle of the film.

D

To avoid confusing results (for you and the software), take care to avoid putting the single-sided film upside-down in the cassette.

D

The minimum number of films to expose during this procedure is 9 films.

Perform a warm up of the X–Ray tube prior of the calibration. – Set up the senographe DMR in the following configuration: Mode: Manuel (2–point). Bucky 18 x 24 in place (with grid). Focal spot: LARGE Track: MO Filter: MO HV: 30 kV mAs: 100 mAs – Take the exposure

CAUTION 5.3

To avoid excessive X–Ray doses on the photo–cell tube, place an empty cassette on the top of the image receptor.

Calibration of X–Ray tube heater current 5.3.1

Perform the calibration procedure on the LF/RH focal size/track combination, then on the others in any order (SF/RH, LF/MO, SF/MO).

5.3.2

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3).

Note:

This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL 5.3.3

Select the following menu sequence on the console: SETUP/GENE/INSTAL/GENE/GENE/ TUBE/HEATER/focal size/track/CALIB

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/focal size/track/ must be LF/RH for the first combination performed.

CAUTION 5.3.4

To avoid excessive X-ray doses on the photo-cell tube, place an empty cassette on the top of the image receptor.

Press the 2nd trigger button and hold it down. The messages EXPOSURE NO 1, EXPOSURE NO 2, EXPOSURE NO 3 and CALIBRATION END appear sequentially on the console display. The software automatically performs the three exposures and the calculations.

Note:

Calibration time varies according to tube temperature. The message TOO WARM appears on the console display when tube temperature is excessive for taking the next exposure. It is not necessary to hold the 2nd trigger button down while waiting for the tube to cool. However, do not exit the calibration menu while waiting. As soon as the TOO WARM message disappears, continue the calibration by pressing the 2nd trigger button and holding it down.

Note:

In case of arcing, the software re–attempts the same exposure automatically.

Note:

The calibration procedure includes an exposure at 40 kV. If for some reason this exposure is impossible to perform (e.g. excessive arcing), tube warm–up may be necessary (see Job Card IST 020 AUTOMATIC X–RAY TUBE WARM–UP). 5.3.5

Note: 5.4

Repeat sections 5.3.3 to 5.3.4 for each of the remaining focal size/track combinations. This must be done only if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

Perform film reciprocity law failure compensation calibration. There are two objectives: 1. Calibrate the Senographe DMR for correct film blackening when in AEC (1-point) or AOP (0-point) mode. This is done in section 5.6. 2. Determine the film reciprocity law failure compensation parameters A0, A1 and A2 for the screen pair being calibrated. These parameters are determined jointly by the screen pair and the characteristics of the Senographe DMR product. This determination is done in section 5.7.

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JOB CARDS

Note:

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5.5

4 of 10

Calibrate X-ray tube heater current at 30 mA.

Note:

This calibration does not depend on the screen pair being calibrated, and thus needs to be performed only once for the first screen pair to be calibrated. For subsequent screen pairs, skip this section and go directly to section 5.6.

Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/ FSC=x/CALIB/LNRT/HEATER/CALIB on the console, where x is the screen pair indicator (A,B,C,D,E) corresponding to the screen pair being calibrated (see Job Card IST 006). Press the 2nd trigger button and hold it down. A series of 3 X-ray exposures is taken. Release the 2nd trigger button.

JOB CARDS

Note:

5.6

This calibration does not depend on any particular configuration of the Senographe DMR, so it can be performed without any particular attention paid to presence or absence of accessories such as compression paddle, cassette, grid, etc.

Calibrate reciprocity law failure reference energy. 5.6.1

Select SETUP/SETUP/PARAM on the console. Verify the initial film reciprocity law failure compensation parameters A0, A1 and A2 by rotating the kV dial through the three values. The initial parameter values are given below: A0init = +1.008E+0 (1.008) A1init = +1.244E–1 (0.1244) A2init = +2.277E–2 (0.02277) If any of the parameter values are different from the initial values given above, correct them manually by pressing the CHANGE key, then enter the correct value using the NEXT and VALID keys and the kV dial (see Visual Display of Parameter Values and Modification of a Parameter Value or Entry of a Measurement in Chapter 1). Once the value is entered and validated, press the SETUP key once to continue checking the remaining parameter values.

Note:

With experience installing several Senographe DMRs, you may find sets of initial parameter values for certain screen pair types (i.e. high or low speed films, certain screen types) that result in fewer films being used to complete this calibration. 5.6.2

Ask the doctor for the desired reference optical density (Target net density); generally OD_R(Optical Density–Reference) is between 1.0 and 1.6. Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/ FSC=x/CALIB/LNRT/REFEN/OD_ref/CHANGE on the console, where x is the screen pair indicator (A,B,C,D,E) corresponding to the screen pair being calibrated (see Job Card IST 006). Enter the desired reference optical density by rotating the kV dial and using the NEXT and VALID keys (see Visual Display of Parameter Values and Modification of a Parameter Value or Entry of a Measurement in Chapter 1).

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COMPENSATION FOR A GIVEN SCREEN PAIR

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5.6.3

Perform a sensitometry test on the fresh film (unexposed film) being used with the screen pair being calibrated.

5.6.4

Select SETUP/SETUP/SCALE on the console. Rotate the kV dial until the value OD_3 is displayed on the console screen. Select CHANGE on the console. Enter the optical density from scale number 3 of the sensitometry test by using the NEXT and VALID keys and rotating the kV dial.

5.6.5

Press the SETUP key on the console. Rotate the kV dial until the value OD_5 is displayed on the console screen. Select CHANGE on the console.

5.6.6 Note:

Repeat section 5.6.5 for OD_7, OD_9, OD_11, OD_13 and OD_15 from the sensitometry test. If the message “Scale error” is displayed, the entered values of optical density did not increase as expected; repeat the test and check that the correct values have been entered.

5.6.7

Set up the Senographe DMR in the following configuration: – any compression paddle installed – contact (no magnification) – bucky 18 x 24 in place (with grid) – 40 mm plexiglass on the bucky

Note:

5.6.8

Install the cassette loaded with fresh film corresponding to the screen pair being calibrated.

5.6.9

IF this is the FIRST exposure, select SETUP/SETUP/CALIB/CALIB on the console. For SUBSEQUENT exposures (if any) select only SETUP/CALIB on the console. Press the 2nd trigger button and hold it down. A single X-ray exposure is taken. Release the 2nd trigger button. By default, the first exposure is taken at +7.000E+1 (70) mAs. For certain slower speed films, this calibration can be done using fewer films if the initial mAs value is increased. To do this, prior to pressing the 2nd trigger button, select SETUP/SETUP/MAS/CHANGE on the console and enter the desired initial mAs value using the NEXT and VALID keys and rotating the kV dial. Then select SETUP/SETUP/CALIB/CALIB on the console and proceed with the exposure.

5.6.10 Develop the film and measure its optical density. Note:

The grid is not activated during this calibration mode exposure, so it is normal to see grid lines on the developed film.

3–83

JOB CARDS

Enter the optical density from scale number 5 of the sensitometry test by using the NEXT and VALID keys and rotating the kV dial.

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5.6.11 Select SETUP/OD_mea on the console. Use the NEXT and VALID keys and the kV dial to enter the measured optical density value (see Visual Display of Parameter Values and Modification of a Parameter Value or Entry of a Measurement in Chapter 1. 5.6.12 Select SETUP/CALC/VALID on the console to execute the calculation. At this point, either the result is satisfactory, and the software displays CALIB END on the console display or, if another exposure and re-calculation are necessary, the software displays ANOTHER FILM. In the latter case, re-load the cassette with fresh film and repeat sections 5.6.8 to 5.6.12 without manually changing the mAs value – the software will have calculated a new mAs value for this exposure. Normally, no more than 2 or 3 films need to be used before CALIB END appears on the console display to indicate a satisfactory result.

JOB CARDS

Note:

5.7

It is useful to note the updated mAs value determined by the software before taking any subsequent exposures. This can give you an idea of the initial mAs values needed for certain film types to reduce the number of films needed during future Senographe DMR installations (see Note in section 5.6.9).

Calibrate film reciprocity law failure compensation parameters. 5.7.1

Set up the Senographe DMR in the following configuration: – any compression paddle installed – contact (no magnification) – bucky 18 x 24 in place – set the SID to that used by user, 610 mm or 660 mm (most common)

5.7.2 Note:

Select SETUP/SETUP/SETUP/LNRT on the console. There is a delay of about 2 seconds between the moment when the LNRT key is pressed and the appearance of the succeeding sub-menu titles. This is due to a calculation that the software performs to determine, among other things, the plexiglass thickness necessary for the calibration.

5.7.3

Place the amount of plexiglass indicated on the console display on the bucky and install the cassette loaded with fresh film corresponding to the screen pair being calibrated.

5.7.4

Press the CALIB button, then press the 2nd trigger button and hold it down. A single X-ray exposure is taken. Release the 2nd trigger button.

CAUTION

Note:

If a message “Cooling Tube” or “Cooling Gene” is displayed, wait for cooling. If the message “Pwr too high” is displayed, one or more of the exposure parameters was not correct. Verify the maximum power setting and repeat the procedure.

The exposure time can be very short (20 ms) or very long (9 s), so be sure to hold the 2nd trigger button down constantly until the exposure is complete.

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Job Card IST 013

COMPENSATION FOR A GIVEN SCREEN PAIR

5.7.5

Develop the film and measure its optical density. The grid is not activated during this calibration mode exposure, so it is normal to see grid lines on the developed film.

5.7.6

Select SETUP/OD_mea on the console. Use the NEXT and VALID keys and the kV dial to enter the measured optical density value (see Visual Display of Parameter Values and Modification of a Parameter Value or Entry of a Measurement in Chapter 1.

5.7.7

Select SETUP/CALC/VALID on the console to execute the calculation. At this point, either the result is satisfactory, and the software displays CALIB END on the console display, or, if another exposure and re-calculation is necessary, the software displays ANOTHER FILM. In the latter case, press the SETUP key once and repeat sections 5.7.3 to 5.7.7. As many as 15 films may have to be used before CALIB END appears on the console display following the calculation, indicating a satisfactory result.

Note:

Be sure to update the amount of plexiglass on the cassette holder (if necessary) according to the indication on the console display. 5.7.8

Note:

5.8

Select SETUP/SETUP/PARAM on the console and note down the three film reciprocity law failure compensation parameters A0, A1 and A2 by rotating the kV dial. Keep these three parameter values with the table in Installation Steering in Chapter 1, once you have verified them in section 5.9 below. They can be used in the future to avoid repeating this Job Card during installation of other Senographe DMRs with the same screen pair. The Installation Steering section explains how to perform the calibration when these parameters are known.

Set manual density correction step size. 5.8.1

Ask the doctor for the desired manual density correction step size. For example, if the step size is chosen to be +1.000E–1 (0.1), then, assuming that the reference optical density of 1.0, the available range of corrected optical density is from 0.5 to 1.5 in steps of 0.1 in both AEC and AOP application modes.

5.8.2

Note:

Select SETUP/SETUP/Energ/PARAM/D_STEP/CHANGE on the console. Use the NEXT and VALID keys and the kV dial to enter the desired manual density correction step size value (see Visual Display of Parameter Values and Modification of a Parameter Value or Entry of a Measurement in Chapter 1). In case the message ”Invalid parameters” is displayed on the console: – Check the results following paragraph 5.9 for verification. – If the results are correct, continue the DMR calibration / installation. Otherwise restart the job card IST013.

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JOB CARDS

Note:

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Job Card IST 013

COMPENSATION FOR A GIVEN SCREEN PAIR

5.9

8 of 10

Check results. 5.9.1

If necessary, enable use of the screen pair being calibrated by selecting SETUP/SETUP /SETUP/SETUP/SETUP/VALID/YES on the console.

5.9.2

Perform a CKSUM and go to application mode.

5.9.3

Set up the following exposure configuration: – mode: AEC (1–point) – screen pair: Select the name of the screen pair being calibrated – focal spot: LARGE – track: MO

JOB CARDS

– filter: MO – manual density correction: +0. 5.9.4

Set up the Senographe DMR in the following configuration: – any compression paddle installed – contact (no magnification) – bucky 18 x 24 with grid in place – set the SID to that used by user, 610 mm or the most common 660 mm

5.9.5

Take three exposures, using the screen pair being calibrated, with the following kV and plexiglass thicknesses, measuring and noting down the optical density of the film, the mAs and the time obtained in Job Card IST043, (IST013 data section) for each one: – 28 kV with 40 mm of plexiglass – 32 kV with 15 mm of plexiglass – 28 kV with 55 mm of plexiglass

Note:

Since these exposures are taken in application mode, the grid is activated during the exposures and thus no grid lines should be visible on the developed films. The optical density must not vary by more than 0.2 between any two of the three films. If it does, the entire calibration must be repeated.

CAUTION

Do not, in any circumstances, attempt to manually adjust any of the parameters determined by the calibration procedures in this Job Card. If the optical density is outside the tolerance defined above , then there is an error which must be corrected by repeating the entire calibration. A satisfactory result must be obtained before proceeding.

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Once the variation in optical density between the three films is satisfactory, check that the optical density of the 28kV/40 mm film is inside the tolerance of the reference optical density ±0.1 (the reference optical density was chosen in section 5.6.2). If the optical density is outside this tolerance, the reference energy must be calibrated as indicated in Job Card IST 014. To do this, perform the following sequence: 1. Perform the section entitled Perform calibration of reference energy in Job Card IST 014. Note:

The reference optical density must be re–entered following the menu sequence given in Job Card IST 014.

Note:

For the initial calibration attempt, do not use the default mAs value of +7.000E+1 (70). Instead, use the mAs value obtained above from the 28 kV/40 mm check exposure.

5.9.6

If necessary, disable use of the screen pair being calibrated (from application mode, select SETUP/ GENE/INSTAL/GENE/AOP/FILM/ALGO/FSC=x/VALID/NO on the console – but see CAUTION in section 3).

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JOB CARDS

2. Perform the section entitled Check results in Job Card IST 014.

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Job Card IST 013

COMPENSATION FOR A GIVEN SCREEN PAIR

JOB CARDS

Blank page

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Job Card IST 014

CALIBRATION OF REFERENCE ENERGY FOR A GIVEN SCREEN PAIR

Time: x h xx min

1 of 8

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES D

Normal cassette and a supply of unexposed films of type used in the screen pair being calibrated

D

Densitometer

D

Sensitometer

D

plexiglasss in thickness increments of 5 mm (minimum dimensions 200 x 200 mm to ensure complete covering of the photo cell)

SECTION 3 SAFETY PRECAUTIONS

CAUTION

NEVER leave the Senographe DMR unattended during calibration of a screen pair.

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

Note:

In the event of error messages during this calibration, see IST 041 for an explanation.

SECTION 4 PREREQUISITES The chronological order of AEC calibration given in Installation Steering in chapter 1 must be strictly followed for each screen pair.

CAUTION

This Job Card is used ONLY when the three reciprocity law failure compensation parameters given (A0, A1 and A2) have been entered manually as explained in Installation Steering in Chapter 1.

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JOB CARDS

SECTION 2 TOOLS

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CAUTION

Job Card IST 014

2 of 8

For this procedure, do not, under ANY CIRCONSTANCES, attempt to ”tweak” manually the GAMMA or ENR_R parameters determined by the calibration procedures in this Job Card. If the calibration results are not satisfactory, there is a reason which must be corrected; correct the problem and repeat the entire calibration.

SECTION 5 PREPARATION General Instructions

JOB CARDS

5.1

5.2

D

The photo cell must be in its most forward position (towards the patient) throughout these procedures.

D

When placing plexiglasss on the cassette holder, the plexiglasss must always overlap the front edge (towards the patient) by about 10 mm to ensure that the photo cell is fully covered, and the plexiglasss is set all the way to the rear of the image receptor.

D

To avoid confusing results (for you and the software), take care to avoid putting the single-sided film upside-down in the cassette.

D

Whenever the optical density of a film is measured, the measurement is always relative to the film base fog level (net density). Thus, you must null out the densitometer on the film base fog,(unexposed area of the film); then measure the net density in the middle of the film.

Prepare the senographe DMR for this calibration procedure 5.2.1

Calibration of heater current. – Set up the senographe DMR in the following configuration: Mode: Manuel (2–point). Bucky 18 x 24 in place (with grid). Focal spot: LARGE Track: MO Filter: MO HV: 28 kV mAs: 100 mAs – Take the exposure

CAUTION D Note:

To avoid excessive X–Ray doses on the photo–cell tube, place an empty cassette on the top of the image receptor.

Starting from application mode, change the position of the installation menu enable switch B1 on generator CPU board 400–PL3. This is necessary only when the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

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Perform calibration of reference energy. The objective is to calibrate the Senographe DMR for correct film blackening when in AEC (1-point) or AOP (0-point) mode. 5.3.1

Ask the doctor for the desired reference optical density OD_R (Optical Density–Reference, the Target Net Density). This is generally between 1.0 and 1.6.

5.3.2

Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/ FSC=x/CALIB/Energ/PARAM/OD_R/CHANGE on the console, where x is the screen pair indicator (A,B,C,D,E) corresponding to the screen pair being calibrated (see Job Card IST 006).

5.3.3

Enter the desired reference optical density by using the NEXT and VALID keys and rotating the kV dial, see ”visual display of parameters values” and ”modification of a parameter value or entry of a measurement” in chapter 1.

5.3.4

Perform a sensitometry test on a fresh film (unexposed film) being used with the screen pair being calibrated.

5.3.5

Select SETUP/SETUP/SCALE on the console.

5.3.6

Rotate the kV dial until the value OD_3 is displayed on the console screen.

5.3.7

Select CHANGE on the console.

5.3.8

Enter the optical density from scale number 3 of the sensitometry test by using the NEXT and VALID keys and rotating the kV dial.

5.3.9

Press the SETUP key on the console.

5.3.10 Rotate the kV dial until the value OD_5 is displayed on the console screen. 5.3.11 Select CHANGE on the console. 5.3.12 Enter the optical density from scale number 5 of the sensitometry test by using the NEXT and VALID keys and rotating the kV dial. 5.3.13 Repeat section 5.3.9 through 5.3.12 for OD_7, OD_9, OD_11, OD_13 and OD_15 from the sensitometry test. 5.3.14 Select SETUP/SETUP/SETUP/CONFIG/NORMAL on the console (this tells the software that the calibration is being done for the normal, and not Stereotix 2, mode). 5.3.15 Set up the Senographe DMR in the following configuration: – – – – –

any compression paddle installed contact (no magnification) bucky 18 x 24 wiht grid in place 40 mm plexiglasss on the bucky. set the SID to that used by user, 610 mm or the most common 660 mm.

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JOB CARDS

5.3

Job Card IST 014

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Job Card IST 014

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5.3.16 Install the cassette loaded with fresh film corresponding to the screen pair being calibrated. 5.3.17 For an initial calibration, use the default mAs value of +7.000E+1 (70) by selecting SETUP/ CALIB/CALIB on the console. For any subsequent re-calibration, follow the instructions given for entering a mAs value other than the default value (see IST013 Section 5.6.9). 5.3.18 Press the 2nd trigger button and hold it down. A single X–ray exposure is taken. Release the 2nd trigger button. 5.3.19 Develop the film and measure its optical density (OD) (See section 5.1). The measured OD should be greater than or equal to (OD_R – 0.2) but lower than (OD_R + 0.8), where OD_R is the reference optical density chosen in section 5.3.1. For example: If OD_R = 1.1 then the optical density must be between 0.9 and 1.9 JOB CARDS

Note:

The grid is not activated during this calibration mode exposure, so it is normal to see grid lines on the developed film. If the measured value is in the required range, go to step 5.3.21 to enter the value into the DMR. 5.3.20 If the measured value is not in the required range, first change the mAs value and repeat the OD measurement. If the film is too dark (measured OD greater than OD_R + 0.8), the mAs must be reduced; if the film is too light (measured OD less than OD_R – 0.2), the mAs must be increased. Calculate the required change in mAs value as 8% for each 0.1 of OD variation required.

Note:

The value of 8% is based on a film gamma of 3. For example: with an OD_R of 1.1 and 70 mAs the OD = 1.6, which you want to reduce by 0.5; then 8%  5 = 40%, and 40% of 70 mAs = 28 mAs. N to decrease the OD by 0.5, you should enter a mAs value of (70 – 28) = 42 mAs. Repeat the OD measurement with the calculated new mAs value, as follows: 1. Select SETUP/mAs on the console 2. Enter the new mAs value, using the NEXT and VALID keys and the kV dial

Note:

Be careful not to press the SETUP key more than once after entering the mAs value – a second press will cause the value to revert to the default of +7.000E+1 (70). 3. Reload the cassette and install it in the cassette holder 4. Select SETUP/CALIB on the console; repeat sections 5.3.18 and 5.3.19. 5.3.21 When the measured OD value is in the correct range, select SETUP/OD_MS; use the NEXT and VALID keys and the kV dial to enter the measured value into the DMR. 5.3.22 Select SETUP/CALC/VALID on the console to execute the calculation; Calcul Done appears on the console display.

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5.3.23 Note down the following information: – Gamma value (select SETUP/SETUP/PARAM/GAMMA on the console) Note:

This is not the film gamma, but another intermediate value calculated for internal use by the Senographe. – The reference energy (select SETUP/ENR_R on the console) – The reference optical density (select SETUP/OD_R on the console) – The sensitometry scale densities (select SETUP/SCALE on the console and rotate the kV dial to display the different values)

Set manual density correction step size. 5.4.1

Ask the doctor the desired manual density correction step size. For example, if the step size is chosen to be +1.000E–1 (0.1), then assuming that the reference optical density is 1.0 the available range of corrected optical density is from 0.5 to 1.5 in steps of 0.1 in AEC and AOP Application Modes.

5.4.2

Select SETUP/D_STEP/CHANGE on the console. Use the NEXT and VALID keys and the kV dial to enter the desired manual density correction step size value.

5.5

Check Results 5.5.1

If necessary, enable use of the screen pair being calibrated by selecting SETUP/SETUP/SETUP/SETUP/SETUP/VALID/YES on the console.

5.5.2

Perform a ”CKSUM” and go to Application Mode.

5.5.3

Set up the following exposure configuration: – Mode: AEC (1–Point). – Screen pair: Select the name of the screen pair being calibrated. – Focal spot: LARGE. – Filter: MO. – Manual density correction: +0. – 28 kV. – 4 cm plexiglass.

Note:

5.5.4

Keep the Senographe DMR in the same configuration as given in section 5.3.15.

5.5.5

Take an exposure, using the screen pair being calibrated, note down the resulting mAs value and measure the optical density of the film. Since this exposure is taken in Application Mode, the grid is activated during the exposure and thus no grid lines should be visible on the developed film.

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5.4

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5.5.6

Note:

Job Card IST 014

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The optical density of the film must not be outside the tolerance of the reference optical density ±0.1 (the reference optical density was chosen in section 5.3.1). If the optical density is within this tolerance, skip directly to section 5.5.8 below. The reference optical density chosen and entered in section 5.3.1 can no longer be displayed at this point; it was erased and replaced by the default value when the DMR was returned to Application Mode for these checks.

5.5.7

If the optical density of the film is outside this tolerance, repeat the calibration procedure, but use the mAs value obtained from the check exposure taken in section 5.5.5. To do this, perform the following sequence:

JOB CARDS

1. Select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/FSC=x/CALIB/Energ./ PARAM/OD_R/CHANGE on the console. Re-enter the desired reference optical density by using the NEXT and VALID keys and rotating the kV dial. 2. Select SETUP/SETUP/SETUP/CALIB/mAs on the console and enter the resulting mAs value obtained from the check exposure taken in Section 5.5.5 by using the NEXT and VALID keys and the kV dial. Note:

If the measured optical density from the check exposure is greater (less) than the desired reference density, it is preferable to use a mAs value slightly lower (higher) than the value obtained from the check exposure.

Note:

Be careful not to press the SETUP key more than one time after entering the mAs value. Doing so would cause this value to revert to the default mAs value. 3. Repeat Sections 5.3.15 to 5.3.23, EXCEPT THAT in Section 5.3.17, IT WILL NOW ONLY BE NECESSARY TO SELECT SETUP/CALIB AND NOT SETUP/CALIB/CALIB ON THE CONSOLE.

Note:

The greater the difference between the optical density measured during the CALIBRATION and the desired reference density, the greater the final error in optical density when in automatic exposure Application Mode. 4. Repeat all checks in Section 5.5. 5.5.8

If you have entered the parameters A0, A1, and A2 manually, make the following check (otherwise go to Section 5.5.9). Take two exposures using the screen pair being calibrated with the following kV and plexiglass thickness, measuring and noting the optical density of the film, the mAs and the time obtained in Job Card IST043 (IST014 data section) for each one: – 32 kV with 1.5 cm of pexiglass. – 28 kV with 5.5 cm of plexiglass.

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Check the optical density value obtained previously with 4 cm, with 1.5 cm, and with 5.5 cm. It must not vary by more than 0.2 between any two of the three films. If it does: 1. Check the reciprocity low failure compensation parameters A0, A1, and A2. – If the parameters are not correct, re–enter them manually as explained in Chapter 1 of the Installation Steering Guide, and perform this Job Card, IST 014, from the beginning. – If the parameters are correct, check Job Card IST 007. If Job Card IST 007 does not check correct, perform the entire Job Card IST 007 before performing Job Card IST 014 again. 2. If all the previous checks are correct, check the automatic film processor by making several sensitometry tests and comparing the results (see Job Card IST 034, Section 5.2).

5.5.9

If necessary, disable use of the screen pair being calibrated (from Application Mode, select SETUP/ GENE/INSTAL/GENE/AOP/FILM/ALGO/FSC=x/VALID/NO on the console) (see CAUTION in Section 3).

5.5.10 Perform a ”CKSUM” and go to Application Mode. Note:

The strategy of AOP is automatically calculated at the end of this Job Card.

Note:

To check this AOP strategy, see Job Card IST 039 ”MANUAL DETERMINATION OF AOP STRATEGY FOR A GIVEN SCREEN PAIR” Section 5.1.3, in function of the mAs value obtained from the 28 kV/4 cm check exposure.

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3. If all the previous checks are correct, perform Job Card IST 013.

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JOB CARDS

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Job Card IST 015

CALIBRATION OF COMPRESSION ARM ANGULATION

Time: x h xx min

1 of 2

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None. SECTION 2 TOOLS

SECTION 3 SPECIAL SAFETY PRECAUTIONS None (Calibration is performed on DMR console; no X–Ray required). SECTION 4 PREREQUISITES None.

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None.

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SECTION 5 CALIBRATION OF COMPRESSION ARM ANGLE Sign convention for DMR application: – When the operator is looking at the tube head, sign ’–’ corresponds to clockwise rotation, sign ’+’ corresponds to counter-clockwise rotation.

JOB CARDS

5.1

5.2

Perform the Calibration Procedure 5.1.1

Turn the compression arm clockwise until it reaches the mechanical stop.

5.1.2

Set MIN compression arm rotation value: SETUP/ARM/VALID/INSTAL/CALIB/ANGLE/ CALIB/MIN. If the message No sensor is displayed, check that the sensor has been correctly declared in config Menu.

5.1.3

Turn the compression arm counterclockwise until it reaches the mechanical stop.

5.1.4

Set MAX compression arm rotation value: SETUP/ARM/VALID/INSTAL/CALIB/ANGLE/ CALIB/MAX.

5.1.5

Perform calculation: SETUP/ARM/VALID/INSTAL/CALIB/ANGLE/CALIB/CALCUL

5.1.6

Perform checksum: SETUP/ARM/VALID/INSTAL/CKSUM The message Calibration OK should be displayed. If the message Error Min > Max is displayed, repeat the calibration; check that the rotation values have been set at the correct positions, and that the angle sensor is correctly connected.

Check results. 5.2.1

Position the Compression Arm as follows: –177 degrees, 0 degrees, then +177 degrees,

5.2.2

Check that the displayed angle varies according to the Compression Arm position.

Note:

Accuracy of display is 2 degrees. It is normal not to display +180 degrees.

Note:

In case of error during this calibration, see error code list for explanation.

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Version No.:

CALIBRATION OF X–RAY TUBE mA MEASUREMENT

Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS Milliammeter JOB CARDS

D

SECTION 3 SPECIAL SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES None

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SECTION 5 Calibration of XRT mA measurement The objective is to determine the scale factor F/mA between the X–ray tube mA measurement input to the software and the real X–ray tube mA value. The default parameter value is F/mA = +1.000E+3 (1000) Hz/mA

CAUTION Preparation

JOB CARDS

5.1

5.2

DO NOT touch potentiometer P1 on generator kV/mA board 701–PL1 at any point in this Job Card.

5.1.1

Turn off the Senographe DMR.

5.1.2

Remove strap between terminal lugs MES_M_NEG and MES_M_POS of generator kV/mA board 701–PL1.

5.1.3

Connect milliammeter between test points MES_M_NEG and MES_M_POS of generator kV/mA board 701–PL1. Set the milliammeter to its 100 mA DC scale.

5.1.4

Turn on the Senographe DMR.

5.1.5

Change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3, see Accessing the Generator or Gantry Installation Mode from the Console in Chapter 1).

Perform the calibration procedure. 5.2.1

Starting from application mode, select SETUP/GENE/INSTAL/GENE/GENE/mA_meas/ CALIB/CALIB on the console. Press pushbutton SW2 on generator kV/mA board 701–PL1 and HOLD IT DOWN. Read and note down the value measured on the milliammeter. While still holding SW2 down, select MEASUR on the console (this request for a measurement of X–ray tube current is needed by the calibration software, but the value displayed on the console at this point is of no importance to the service engineer). Release pushbutton SW2.

5.2.2

Select SETUP/I_MEAS on the console. Enter the value of current (in milliamperes) read from the milliammeter by using the NEXT and VALID keys and rotating the kV dial. See Visual Display of Parameter Values and Modification of a Parameter Value or Entry of a Measurement in chapter 1.

Note:

Only values between +4.000E+1 (40) and +6.000E+1 (60) mA are accepted by the calibration software. An error message appears on the console display if a value outside of this range is entered. 5.2.3

Select SETUP/CALCUL/VALID on the console to execute the calculation. If the calculated F/mA value is between 850 and 1150 mA calib END appears on the console display – if it is not, then an error message appears.

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Check results. 5.3.1

Select SETUP/CALIB on the console. Press pushbutton SW2 on generator kV/mA board 701–PL1 and HOLD IT DOWN. Read and note down the value measured on the milliammeter. While still holding SW2 down, select MEASUR on the console. Verify that the measurement on the console display now corresponds to the value read on the milliammeter ±400 μA ± milliammeter error. Release pushbutton SW2. DO NOT ENTER THIS MEASURED VALUE.

5.3.2

Change the milliammeter scale to 200 mA DC. Press pushbutton SW1 on generator kV/mA board 701–PL1 and HOLD IT DOWN. Read and note down the value measured on the milliammeter. (The current should be approximately 120 mA.) While still holding SW1 down, select MEASUR on the console. Verify that the difference between the measurement on the console display and the value read on the milliammeter is less than 2.4 mA. Release pushbutton SW1. DO NOT ENTER THIS MEASURED VALUE.

5.3.3

Select SETUP/SETUP/PARAM on the console and note down the displayed value of F/mA.

5.3.4

Perform a CKSUM and return to application mode.

5.3.5

Turn off the Senographe DMR.

5.3.6

Disconnect the milliammeter and replace the strap between terminal lugs MES_M_NEG and MES_M_POS of generator kV/mA board 701–PL1.

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JOB CARDS

5.3

Job Card IST 016

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Job Card IST 016

JOB CARDS

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Job Card IST 017

CALIBRATION OF KV SCALE FACTOR

1 of 6

Version No.: Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None

D

Non invasive: RMI 232 kVp–meter, calibrated with known calibration factors.

D

or Invasive: Machlett Dynalyser III divider and Fluke multimeter.

Note:

MQSA (US) regulation requires kVp accuracy better than 5%. It means that the tool used for the following measurements should have an accuracy much better than 5%, and the kVp limit values displayed by the tool should depend from its own accuracy. The table 1 is given below to detail these limit values vs. tool accuracy.

Note:

RMI 232 must be used with its calibration factors. If not its accuracy (when verified only) is not sufficient (from 6.0% at 25 kVp to 4.5% at 40 kVp).

SECTION 3 SPECIAL SAFETY PRECAUTIONS

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES Note:

The Senographe DMR is calibrated at factory in accordance with MQSA requirements (5%). Therefore, this Job Card should not be performed at the first installation of the system. The following procedures must have been performed in the following order: D

Job Card IST 001

D

Job Card IST 002

D

Job Card IST 016

CAUTION

Recalibration of kV scale factor may require a re-calibration of IST07 for all film/screen couples previously adjusted.

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SECTION 2 TOOLS

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SECTION 5 CALIBRATION OF KV SCALE FACTOR The objective is to determine the scale factor G and offset VOF between the X–ray tube kV command from the software and the real kV value obtained. DEFAULT PARAMETER VALUES ARE G = +6.554E+1 (65.54) and VOF = +0.000E+0 (0.0)

JOB CARDS

CAUTION

DO NOT touch potentiometer P1 on generator kV/mA board 701–PL1 at any point in this Job Card.

Since MQSA requirement is 5% accuracy, the operator should take into account the accuracy of the measurement method himself to define the read values not to exceed. See Table 1 which gives the limit values for each used tool. 5.1

Prepare the Senographe DMR 5.1.1

Non invasive measurement method. – Set up the Senographe DMR in the following configuration: – no compression paddle. – maximum magnification mode (the purpose here is simply to reduce the distance between the kV peak meter and the X–ray source – see applicable documentation for minimum acceptable distance from X–ray source, if any). – set SID = 510 mm. It is then not possible to produce HV. (the purpose here is simply to reduce the distance between the kV peak meter and the X–ray source. – Place kV peak meter on the magnification device or cassette holder. Turn it on and set it to the MO/MO position. Set the waveform selector to CP (constant potential). – Use the Senographe DMR light centering device to center the kV peak meter target with the X–ray zone. – Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3).

Note:

This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL 5.1.2

Invasive measurement method. – Connect the HV divider to the HV TANK of generator. – Connect the multimeter to negative channel of HV divider. – Set the multimeter in DC mode, adjust RANGE function to get a display with 3 decimal digits, then select the MIN function with a response of 100 ms.

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– For each displayed value on the multimeter, multiply it by 10 to get the kVp value (the divider ratio is 10000 and the high voltage is expressed in kilo–volts). 5.2

Perform the calibration procedure. 5.2.1

Note:

Select SETUP/GENE/INSTAL/GENE/GENE/KV/CALIB/1st pt/CALIB on the console. By default, the kV command value sent by the software for this 1st point is 25 kV.

5.2.2

Press the 2nd trigger button and hold it down. A single 1–second exposure is taken. ”CALIBRATION END” appears on the console display. Release the 2nd trigger button.

. If using the Divider and Multimeter, read the displayed value, multiply it by 10 and note down this result. Note:

If for some reason, this exposure has to be repeated select SETUP/CALIB on the console before pressing the 2nd trigger button again 5.2.3

Select SETUP/kV_M on the console. Enter the kV value read from the kV peak meter by using the NEXT and VALID keys and rotating the kV dial. See Visual Display of Parameter Values” and Modification of a Parameter Value or Entry of a Measurement in Chapter 1.

5.2.4

Select SETUP/SETUP/2nd pt/CALIB on the console.

Note:

By default, the kV command value sent by the software for this 2nd point is 40 kV. Due to DMR software, the Mo filter remains selected. 5.2.5

Press the 2nd trigger button and hold it down. A single 1–second exposure is taken. ”CALIBRATION END” appears on the console display. Release the 2nd trigger button. . If using a RMI 232, read the displayed value, correct it by the correction factor given in the calibration factor table and note down this result. The calibration factor table gives values by 1 kV steps; for intermediate values, use a linear interpolation. . If using the Divider and Multimeter, read the displayed value, multiply it by 10 and note down this result.

Note:

If for some reason, this exposure has to be repeated select SETUP/CALIB on the console before pressing the 2nd trigger button again.

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JOB CARDS

. If using a RMI 232, read the displayed value, correct it by the correction factor given in the calibration factor table and note down this result. The calibration factor table gives values by 1 kV steps; for intermediate values, use a linear interpolation.

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5.2.6

Select SETUP/kV_M on the console. Enter the kV value read from the kV peak meter by using the NEXT and VALID keys and rotating the kV dial. See ”Visual Display of Parameter Values” and ”Modification of a Parameter Value or Entry of a Measurement” in chapter 1.

5.2.7

Select SETUP/SETUP/calcul/VALID on the console to execute the calculation. Normally, ”KV CALIB END” appears on the console display. If ”OUT OF RANGE” appears on the console display, this indicates either faulty kV measurement(s) in the steps above, or a hardware failure.

Check results. 5.3.1

Leave the Senographe DMRsenographe in the same conditions as described in section 5.1 (with the kVp meter or divider–multimeter in place), and select SETUP/1st pt/CALIB on the console.

5.3.2

Press the 2nd trigger button and hold it down. A single 1-second exposure is taken. ”CALIBRATION END” appears on the console display. Release the 2nd trigger button.

JOB CARDS

5.3

Job Card IST 017

. If using a RMI 232, read the displayed value, correct it by the correction factor given in the calibration factor table and note down this result. The calibration factor table gives values by 1 kV steps; for intermediate values, use a linear interpolation. . If using the Divider and Multimeter, read the displayed value, multiply it by 10 and note down this result. CAUTION: DO NOT ENTER THIS MEASURED VALUE. 5.3.3

The kV value read on the kV peak meter should be 25 kV ± 0.3 kV. The generator kVp accuracy is ± 1% (one per cent) when measured just after a calibration.

Note: 5.3.4

Select SETUP/SETUP/2nd pt/CALIB on the console.

5.3.5

Press the 2nd trigger button and hold it down. A single 1–second exposure is taken. ”CALIBRATION END” appears on the console display. Release the 2nd trigger button. . If using a RMI 232, read the displayed value, correct it by the correction factor given in the calibration factor table and note down this result. The calibration factor table gives values by 1 kV steps; for intermediate values, use a linear interpolation. . If using the Divider and Multimeter, read the displayed value, multiply it by 10 and note down this result. CAUTION: DO NOT ENTER THIS MEASURED VALUE.

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5.3.6

Job Card IST 017

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The measured value should be within limits which depend on the measurement tool, as given in Table 1 below: Measurement tool

25 kV

40 kV

Min. Limit

Max. Limit

Min. Limit

Max. Limit

RMI 232

24.12

25.86

38.58

41.37

Dynalyser III + Fluke 87

24.02

25.96

38.43

41.54

Note:

The generator kVp accuracy is ± 1% (two per cent) when measured just after a calibration.

Note:

If the need should arise to check this point in application mode, it is not possible to do so because exposures at 40 kV are prohibited with the Mo filter in application mode. 5.3.7

Select SETUP/SETUP/SETUP/PARAM on the console. Note down the displayed values of G and VOF by rotating the kV dial.

5.3.8

Job Card IST 003 ”CALIBRATION OF X–RAY TUBE HEATER CURRENT” must be done immediately following this Job Card, but if you are turning the machine back over to the user at this point, switch off, then on again.

5.3.9

Perform calibration check of IST007 (section 6.6 only). If thickness accuracy is outside the tolerance, IST007 must be performed completely for all already adjusted film/screen couples.

5.3.10 Perform a CKSUM and return to application mode.

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JOB CARDS

Table 1

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Job Card IST 018

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Version No.:

CALIBRATION OF PHOTOCELL IN STEREOTIX 2 POSITIONS

Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES D

The cassette that will be used by the doctor for Stereotix 2 mode Presence or absence of film in the cassette is of no importance in this Job Card.

SECTION 2 TOOLS D

Plexiglass in thickness increments of 5 mm (minimum plexiglass dimensions 200 x 200 mm to ensure complete covering of the photo cell)

SECTION 3 SAFETY PRECAUTIONS

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

WARNING

THE GANTRY MUST BE ANCHORED TO THE FLOOR WITH 3 BOLTS WHEN A SENOGRAPHE DMR IS EQUIPPED WITH THE STEREOTIX 2 (see job card IST 009).

WARNING

BECAUSE CASSETTES DO NOT ALWAYS EXHIBIT A CONSTANT RADIOLOGICAL DENSITY ACROSS THEIR SURFACES, THE CASSETTE USED IN THIS JOB CARD MUST ALSO BE USED IN JOB CARD IST 019. FURTHERMORE, THE DOCTOR MUST USE ONLY THIS CASSETTE IN STEREOTIX 2 MODE, EVEN IF OTHER CASSETTE TYPES ARE CALIBRATED FOR NON–STEREOTIX 2 USE. BE SURE TO INFORM THE DOCTOR OF THIS CONSTRAINT.

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JOB CARDS

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Job Card IST 018

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SECTION 4 PREREQUISITES The Senographe DMR being installed must be equipped with the Stereotix 2 option that has been set up and calibrated according to the Stereotix 2 Service Manual. Also, Job Card IST 004 must have been performed before this Job Card. Note:

In case of error messages during this calibration, see IST 041 for explanations.

JOB CARDS

SECTION 5 CALIBRATION OF PHOTO CELL IN STEREOTIX 2 POSITIONS The objective is to calibrate the photocell in its Stereotix 2 positions. Because of the different angles between the tube housing and the photocell when in Stereotix 2 mode, the photocell does not receive the same dose of radiation as it does when in non–Stereotix 2 mode. Note:

Since this calibration does not depend on a certain screen pair, it is not necessary to perform it each time a new screen pair is introduced.

This Job Card consists of four interdependent calibration procedures which are performed in the following order: D

Normal, which is done without the Stereotix 2 installed as a reference calibration for the following three calibrations.

D

Stereotix Left, which is done with the Stereotix 2 installed and the tube–carrying arm rotated to the right side as viewed from the front of the gantry.

D

Stereotix Center, which is done with the Stereotix 2 installed and the tube–carrying arm rotated to the center.

D

Stereotix Right, which is done with the Stereotix 2 installed and the tube–carrying arm rotated to the left side as viewed from the front of the gantry.

WARNING

THE FOUR PROCEDURES MENTIONED ABOVE MUST ALL BE PERFORMED WITH THE SAME AMOUNT OF PLEXIGLASS (IF ANY). IF AT ANY POINT THE SOFTWARE ASKS FOR A CHANGE IN THE AMOUNT OF PLEXIGLASS, THE SEQUENCE OF FOUR PROCEDURES MUST BE STARTED AGAIN USING THE NEW AMOUNT OF PLEXIGLASS THROUGHOUT.

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5.2

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General instructions to be observed during all procedures in this Job Card 5.1.1

The photo cell must be in its most forward position (towards the patient: position1).

5.1.2

When placing plexiglass on the photocell or Stereotix 2 cassette holder, the plexiglass must always overlap the front edge (towards the patient) by about 10 mm to ensure that the photocell is fully covered.

5.1.3

Error messages will appear on the console display when the tube–carrying arm position is not in agreement with the position being calibrated.

Prepare the Senographe DMR for these procedures. Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3, see Accessing the Generator or Gantry Installation Mode from the Console in Chapter 1).

Note: 5.3

This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

Perform the normal calibration. 5.3.1

Set up the Senographe DMR in the following configuration: SID: 510 mm No cassette holder / no bucky installed No compression paddle Magnification: 1.3 (install the magnification device in the middle hole). Cassette centered laterally on magnification device, and flush with front edge of magnification device (i.e. no overlap)

Note:

Initially, do not put any plexiglass on the photocell. However, it may be necessary to add plexiglass during these calibration procedures. 5.3.2

Rotate tube–carrying arm to its center (i.e. non–Stereotix 2) position.

5.3.3

Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/CELL/ STER/CALIB/CELL/NORMAL/SETUP/CALIB on the console.

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5.1

Job Card IST 018

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5.3.4

Job Card IST 018

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Press the 2nd trigger button and hold it down. One or more X–ray exposures are taken. Either the message ”CALIBRATION END” or a message requesting a change in plexiglass thickness appears on the console display. In either case, release the second trigger button. If a message requesting a change in plexiglass thickness appeared on the console display, select SETUP/CALIB on the console and repeat the exposure after changing the amount of plexiglass by an increment of 10 mm. If the message ”CALIBRATION END” appeared on the console display, proceed directly to the Stereotix Left calibration in section 5.4.

5.4

Perform the ”Stereotix left” calibration. 5.4.1

Set up the Senographe DMR in the following configuration:

JOB CARDS

Stereotix 2 installed SID: 510 mm No Stereotix 2 compression paddle 5.4.2

Set the Stereotix 2 compression plate to its highest position. Set the needle holder to the center of its lateral (x–axis) range and to the maximum depth (y–axis) range, i.e. as far as possible from the patient.

5.4.3

Keep the same plexiglass thickness (if any) as used in Normal calibration section 5.3.

5.4.4

Select SETUP on the console.

5.4.5

Rotate tube–carrying arm to its left Stereotix position (i.e. to the right side as viewed from the front of the gantry). NORMAL CELL ERR appears on the console display.

5.4.6

Select CELL/LEFT/SETUP/CALIB on the console. STEREO. LEFT appears on the console display.

5.4.7

Place cassette (without film) on right side of Stereotix 2 cassette holder as viewed from the front of the gantry.

5.4.8

Press the 2nd trigger button and hold it down. One or more X–ray exposures are taken. Either the message CALIBRATION END or a message requesting a change in plexiglass thickness appears on the console display. In either case, release the second trigger button. If a message requesting a change in plexiglass thickness appeared on the console display: – Repeat the normal calibration in section 5.3 using the new amount of plexiglass (generally the thickness is changed in increments of 10 mm). – Repeat this Stereotix left calibration using the same new amount of plexiglass.

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Job Card IST 018

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– Continue repeating the above two steps (if necessary) until a satisfactory plexiglass thickness is found for both procedures. – Proceed to the Stereotix Center calibration in section 5.5 using the same new amount of plexiglass. If the message CALIBRATION END appeared on the console display, proceed directly to the Stereotix Center calibration in section 5.5. Perform the Stereotix center calibration. 5.5.1

Keep the Senographe DMR set up as outlined in sections 5.4.1 and 5.4.2.

5.5.2

Keep the same plexiglass thickness (if any) as used in Normal calibration section 5.3 and Stereotix left calibration section 5.4.

5.5.3

Select SETUP on the console.

5.5.4

Rotate tube–carrying arm to its center (i.e. non–Stereotix 2) position. STER. LEFT ERR appears on the console display.

5.5.5

Select CELL/CENT/SETUP/CALIB on the console. STEREO. CENTER appears on the console display.

5.5.6

Move cassette to center of Stereotix 2 cassette holder.

5.5.7

Press the 2nd trigger button and hold it down. One or more X–ray exposures are taken. Either the message CALIBRATION END or a message requesting a change in plexiglass thickness appears on the console display. In either case, release the second trigger button. If a message requesting a change in plexiglass thickness appeared on the console display: – Repeat the normal calibration in section 5.3 using the new amount of plexiglass (generally the thickness is changed in increments of 1 cm). – Repeat the Stereotix left calibration in section 5.4 using the same new amount of plexiglass. – Repeat this Stereotix center calibration using the same new amount of plexiglass. – Continue repeating the above three steps (if necessary) until a satisfactory plexiglass thickness is found for all three procedures. – Proceed to the Stereotix Right calibration in section 5.6 using the same new amount of plexiglass. If the message CALIBRATION END appeared on the console display, proceed directly to the Stereotix Right calibration in section 5.6.

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5.5

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5.6

Job Card IST 018

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Perform the ”Stereotix right” calibration. 5.6.1

Keep the Senographe DMR set up as outlined in sections 5.4.1 and 5.4.2.

5.6.2

Keep the same plexiglass thickness (if any) as used in Normal calibration section 5.3, Stereotix left calibration section 5.4 and Stereotix center calibration section 5.5.

5.6.3

Select SETUP on the console.

5.6.4

Rotate tube–carrying arm to its right Stereotix position (i.e. to the left side as viewed from the front of the gantry). STER. CENT ERR appears on the console display.

5.6.5

Select CELL/RIGHT/SETUP/CALIB on the console. STEREO. RIGHT appears on the console display.

5.6.6

Move cassette to left side of Stereotix 2 cassette holder as viewed from the front of the gantry.

5.6.7

Press the 2nd trigger button and hold it down. One or more X–ray exposures are taken. Either the message CALIBRATION END or a message requesting a change in plexiglass thickness appears on the console display. In either case, release the second trigger button. If a message requesting a change in plexiglass thickness appeared on the console display: – Repeat the Normal calibration in section 5.3 using the new amount of plexiglass (generally the thickness is changed in increments of 1 cm). – Repeat the Stereotix left calibration in section 5.4 using the same new amount of plexiglass. – Repeat the Stereotix center calibration in section 5.5 using the same new amount of plexiglass. – Repeat this Stereotix right calibration using the same new amount of plexiglass. – Continue repeating the above four steps (if necessary) until a satisfactory plexiglass thickness is found for all four procedures. – Be sure to execute the calculation as described in the next paragraph as soon as all four procedures are satisfactorily completed. If the message CALIBRATION END appeared on the console display, execute the calculation by selecting SETUP/CALC/VALID on the console.

5.6.8

5.7

Perform a CKSUM and return to application mode. If you are handing the machine back to the user at this point, switch the Senographe DMR off, then on again.

Check results The results of this calibration are checked simultaneously with the results of the calibration in Job Card IST 019.

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Job Card IST 019

CALIBRATION OF REFERENCE ENERGY IN STEREOTIX 2 MODE FOR A GIVEN SCREEN PAIR

Time: x h xx min

1 of 8

Version No.: Date:

Personnel: 1

D

The cassette that will be used by the doctor for Stereotix 2 mode

D

This MUST be the same cassette that was used in Job Card IST 018 A supply of unexposed films of type used in the screen pair being calibrated

Note:

SECTION 2 TOOLS D

Densitometer

D

Plexiglass in thickness increments of 5 mm (minimum plexiglass dimensions 200 x 200 cm to ensure complete coverage of the photocell)

SECTION 3 SAFETY PRECAUTIONS

CAUTION

NEVER leave the Senographe DMR unattended during calibration of a screen pair.

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

WARNING

THE GANTRY MUST BE ANCHORED TO THE FLOOR WITH 3 BOLTS WHEN A SENOGRAPHE DMR IS EQUIPPED WITH A STEREOTIX 2 (see job card IST 009).

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JOB CARDS

SECTION 1 SUPPLIES

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Job Card IST 019

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SECTION 4 PREREQUISITES The Senographe DMR being installed must be equipped with the Stereotix 2 option that has been set up and calibrated according to the Stereotix 2 Service Manual. The chronological order of AEC calibration given in Installation Steering in chapter 1 must be strictly followed for each screen pair. In case of Stereotix 2 add–on to an already–installed Senographe DMR, follow the instructions given in the section entitled AEC Calibration Upon Stereotix 2 Add–on in Chapter 2. SECTION 5 PREPARATION

JOB CARDS

GENERAL INSTRUCTIONS:

5.1

D

The photo cell must be in its most forward position (towards the patient) throughout the procedures in this Job Card.

D

When placing plexiglass on the Stereotix 2 cassette holder, the plexiglass must always overlap the front edge (towards the patient) by about 1 cm to insure that the photo cell is fully covered.

D

Whenever the optical density of a film is measured, the measurement is always relative to the film base fog level (Net density). Thus, you must null out the densitometer on the film base fog (unexposed area of the film), then measure the net density in the middle of the film.

D

When measuring optical density of a Stereotix 2 film, the point of measure must be at about 5 mm below the horizontal reference line, and in line with the vertical reference line.

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3, see ”Accessing the Generator or Gantry Installation Mode from the Console” in chapter 1).

Note: 5.2

This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

Determine mAs value for initial calibration attempt. 5.2.1

Set up the Senographe DMR in the following configuration: – Non–Stereotix 2 mode – Any compression paddle installed – Contact (no magnification) – bucky 18 x 24 in place (with grid) – 4 cm plexiglass on the bucky – SID = 660 mm

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5.2.2

Job Card IST 019

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Set up the following exposure configuration: Mode: AEC (1–point) Screen pair: Select the name of the screen pair being calibrated Focal spot: LARGE Track: MO Filter: MO Manual density correction: +0

5.3

5.2.3

Load cassette with undeveloped film and install it in the cassette holder.

5.2.4

Take an exposure and note down resulting mAs value.

Perform calibration of reference energy in Stereotix 2 mode. The objective is to calibrate the Senographe DMR for correct film blackening when in AEC (1–point) mode with Stereotix 2. 5.3.1

Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/ FSC=x/CALIB/Energ/CONFIG/STEREO on the console, where x is the screen pair indicator (A,B,C,D,E) corresponding to the screen pair being calibrated (see Job Card IST 006). This tells the software that the calibration is being done for the Stereotix 2 (and not normal) mode.

CAUTION

5.3.2

Note:

Do not go any higher in the menu tree structure than given in the various steps in this section. If, for any reason, you do go higher in the tree structure, it is essential to go into the CONFIG/STEREO menu first to avoid accidentally using the default NORMAL mode, before proceeding with the calibration.

Select SETUP/PARAM/OD_R/CHANGE on the console. Enter the desired reference optical density by using the NEXT and VALID keys and rotating the kV dial. See ”Visual Display of Parameter Values” and ”Modification of a Parameter Value or Entry of a Measurement” in chapter 1. Normally, this value should be the same as the value used for the non–Stereotix 2 calibration in Job Card IST 014.

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JOB CARDS

HV: 28 kV

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Job Card IST 019

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Perform a sensitometry test on the film being used with the screen pair being calibrated.

5.3.4

Select SETUP/SETUP/SCALE on the console. Rotate the kV dial until the value OD_3 is displayed on the console screen. Select CHANGE on the console. Enter the optical density from scale number 3 of the sensitometry test by using the NEXT and VALID keys and rotating the kV dial. See ”Visual Display of Parameter Values” and ”Modification of a Parameter Value or Entry of a Measurement” in chapter 1.

5.3.5

Press the SETUP key on the console. Rotate the kV dial until the value OD_5 is displayed on the console screen. Select CHANGE on the console. Enter the optical density from scale number 5 of the sensitometry test by using the NEXT and VALID keys and rotating the kV dial.

5.3.6

Repeat section 5.3.5 for OD_7, OD_9, OD_11, OD_13 and OD_15 from the sensitometry test.

5.3.7

Set up the Senographe DMR in the following configuration:

JOB CARDS

5.3.3

– SID = 510 mm – No cassette holder / No bucky installed – Stereotix 2 installed – Tube–carrying arm in right Stereotix position (i.e. rotated to the left side as viewed from the front of the gantry) – Stereotix 2 compression paddle installed – Stereotix 2 needle holder set to the center of its lateral (x–axis) range and to the maximum depth (y–axis) range, i.e. as far as possible from the patient – 4 cm plexiglass on the Stereotix 2 cassette holder Note:

If the mAs value obtained at section 5.2.4 was under 40 mAs, use 5 cm plexiglass. – Stereotix 2 compression paddle in contact with plexiglass

Note:

5.3.8

Install the cassette loaded with fresh film corresponding to the screen pair being calibrated. Place it on the left side of the Stereotix 2 cassette holder as viewed from the front of the gantry.

5.3.9

Select SETUP/SETUP/SETUP/CALIB/mAs on the console. For an initial calibration attempt, take the mAs value obtained in section 5.2.4, DIVIDE IT BY 4, and enter the result by using the NEXT and VALID keys. See ”Visual Display of Parameter Values” and ”Modification of a Parameter Value or Entry of a Measurement” in chapter 1. Be careful not to press the SETUP key more than one time after entering the mAs value. Doing so would cause this value to revert to the default mAs value of +7.000E+1 (70).

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Job Card IST 019

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5.3.10 Select SETUP/CALIB on the console. 5.3.11 Press the 2nd trigger button and hold it down. A single X–ray exposure is taken. Release the 2nd trigger button. 5.3.12 Develop the film and measure its optical density according to the technique given at the beginning of section 5.

If the optical density of the film is less than (OD_R – 0.2), increase the mAs value by selecting SETUP/mAs on the console, then entering the increased mAs value by using the NEXT and VALID keys and the kV dial. Then re–load the cassette and place it on the left side of the Stereotix 2 cassette holder as viewed from the front of the gantry. Select SETUP/CALIB on the console and repeat sections 5.3.11 and 5.3.12. Note:

Be careful not to press the SETUP key more than one time after entering the mAs value. Doing so would cause this value to revert to the default mAs value of +7.000E+1 (70). 5.3.13 Select SETUP/CALC/VALID on the console to execute the calculation. CALCUL DONE appears on the console display. 5.3.14 Note down the following information: – The gamma parameter (select SETUP/SETUP/PARAM/GAMMA on the console)

Note:

This is NOT the film gamma, but another parameter that is calculated by the software. – The reference energy (select SETUP/ENR_R on the console)

CAUTION

Do not, in any circumstances, attempt to adjust manually the GAMMA or ENR_R parameters determined by the calibration procedures in this Job Card. If the calibration results are not satisfactory you must repeat the entire calibration. – The reference optical density (select SETUP/OD_R on the console)

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JOB CARDS

If the optical density of the film is greater than or equal to (OD_R – 0.2), enter this value by selecting SETUP/OD_MS and using the NEXT and VALID keys and the kV dial to enter the measured optical density value, then skip directly to section below 5.3.13.

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5.4

Job Card IST 019

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Check results. 5.4.1

If necessary, enable use of the screen pair being calibrated by selecting SETUP/SETUP/SETUP/ SETUP/VALID/YES on the console.

5.4.2

Perform a CKSUM and go to application mode.

5.4.3

Set up the following exposure configuration: Mode: AEC (1–point) Screen pair: Select the name of the screen pair being calibrated Focal spot: LARGE Track: MO Filter: MO

JOB CARDS

Manual density correction: +0 HV: 28 kV 5.4.4

Keep the Senographe DMR in the same configuration as given in section 5.3.7.

5.4.5

Install the cassette loaded with fresh film corresponding to the screen pair being calibrated. Place it on the left side of the Stereotix 2 cassette holder as viewed from the front of the gantry.

5.4.6

Take an exposure and note down the resulting mAs value.

5.4.7

Slide the cassette to the right side of the Stereotix 2 cassette holder.

5.4.8

Rotate tube–carrying arm to left Stereotix position (i.e. rotated to the right side as viewed from the front of the gantry).

5.4.9

Take an exposure.

5.4.10 Develop the film and measure the optical density of the right Stereotix 2 image according to the technique given at the beginning of section 5. 5.4.11 The optical density of the right Stereotix 2 image must not be outside the tolerance of the reference optical density ±0.1 (the reference optical density was chosen in section 5.3.2). If the optical density is within this tolerance, skip directly to section 5.4.13 below. Note:

The reference optical density chosen and entered in section 5.3.2 can no longer be displayed at this point; it was erased and replaced by the default value when the machine was returned to application mode for these checks.

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Job Card IST 019

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5.4.12 If the optical density of the right Stereotix 2 image on the film is outside this tolerance, repeat the calibration procedure, but, instead of entering the mAs value given in section 5.3.9, use the mAs value obtained in section 5.4.6 above. To do this, perform the following sequence: 1. Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ ALGO/FSC=x/CALIB/Energ/CONFIG/STEREO on the console. 2. Select SETUP/PARAM/OD_R/CHANGE on the console. Re–enter the desired reference optical density by using the NEXT and VALID keys and rotating the kV dial. 3. Repeat sections 5.3.7 to 5.3.14 EXCEPT THAT IN SECTION 5.3.9 YOU MUST ENTER THE RESULTING MAS VALUE OBTAINED FROM THE CHECK EXPOSURE TAKEN IN SECTION 5.4.6. DO NOT ENTER THE VALUE GIVEN IN SECTION 5.3.9.

5.4.13 Measure the optical density of the left Stereotix 2 image according to the technique given at the beginning of section 5. The difference between this density and the density of the right Stereotix 2 image must be less than 0.1. If this is not the case, there is a problem with the calibration done in Job Card IST 018 ”CALIBRATION OF PHOTO CELL IN STEREOTIX POSITIONS”. In this case, repeat Job Card IST 018, then this Job Card in its entirety. 5.4.14 Rotate the tube–carrying arm to its center position. 5.4.15 Install the cassette loaded with fresh film in the center of the Stereotix 2 cassette holder. 5.4.16 Keeping the Senographe DMR set up as given in section 5.4.3, take an exposure. 5.4.17 Develop the film and measure its optical density according to the technique given at the beginning of section 5. The difference between this density and the density of either the right Stereotix 2 image OR the left Stereotix 2 image measured above must be less than 0.1. If this is not the case, there is a problem with the calibration done in Job Card IST 018 ”CALIBRATION OF PHOTO CELL IN STEREOTIX POSITIONS”. In this case, repeat Job Card IST 018, then this Job Card in its entirety. 5.4.18 If necessary, disable use of the screen pair being calibrated. (From application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/FSC=x/VALID/NO on the console.) (See CAUTION in section 3.)

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JOB CARDS

4. Proceed to checks in section 5.4.

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Job Card IST 019

JOB CARDS

Blank page

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Job Card IST 020

AUTOMATIC X–RAY TUBE WARM–UP

1 of 2

Version No.: Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS

SECTION 3 SAFETY PRECAUTIONS

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES This Job Card should only be used when the performance of Job Card IST 003 ”CALIBRATION OF X–RAY TUBE HEATER CURRENT” has been impossible due to excessive arcing. SECTION 5 AUTOMATIC X–RAY TUBE WARM–UP This Job Card provides the procedure for re–starting an X–ray tube that was known to be good upon leaving the factory, but which now exhibits arcing after a long period of inactivity. The principle is to take a series of 12 pre–determined exposures, starting at low kV values and progressively increasing towards high kV values. If arcing occurs during an exposure, some or all exposures are automatically repeated. If persistent arcing occurs, the software automatically terminates the warm–up procedure.

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JOB CARDS

None

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AUTOMATIC X–RAY TUBE WARM–UP

5.1

Note:

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3). This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

5.1.2

Select SETUP/GENE/INSTAL/GENE/GENE/TUBE/WarmUp on the console. The track/kV combination for the first exposure should appear on the console display.

Perform X–ray tube warm–up. 5.2.1

JOB CARDS

2 of 2

Prepare the Senographe DMR. 5.1.1

5.2

Job Card IST 020

Note:

Press the 2nd trigger button and HOLD IT DOWN while the exposures are taken. There is a time delay of 10 seconds between exposures. You can release the 2nd trigger button during this 10 second period, then press it again to continue, but the minimum time between exposures will still be 10 seconds. If the tube overheats at some point, exposures will be inhibited until it cools down again. During the cooling period, the 2nd trigger button can be released; as soon as the display shows that the X–ray tube has sufficiently cooled, press the 2nd trigger button to continue.

5.2.2

When the warm–up procedure is finished, the message ”Tube OK” normally appears on the console display. If persistent arcing occurred during the procedures, the message ”Too many spits” appears on the console display.

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SENOGRAPHE DMR+ Purpose:

Job Card IST 021

CHECKING AND ADJUSMENT OF LATERAL CENTERING OF X–RAY BEAM

Time: x h xx min

1 of 6

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES D

”Ready Pack” or ”cardboard cassette” films (24 x 30 format)

D

Ruler calibrated in mm (minimum length 30 cm)

D

Pen or pencil capable of marking the surface of an X–ray film

D

Thumb tacks or push pins

D

2.5 mm Allen wrench

D

8 mm hollow offset tubular socket wrench

SECTION 3 SAFETY PRECAUTIONS

CAUTION

This procedure produces X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES None SECTION 5 CHECKING AND ADJUSTMENT OF LATERAL CENTERING OF X–RAY BEAM The objective is to check (and adjust if necessary) the lateral alignment of the following three points: D

X–ray tube focal spot

D

Center point between lateral collimator blades

D

Center of image receptor support

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JOB CARDS

SECTION 2 TOOLS

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CHECKING AND ADJUSMENT OF LATERAL CENTERING OF X–RAY BEAM

5.1

Job Card IST 021

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Prepare the Senographe DMR for the exposure. 5.1.1

Set up the Senographe DMR in the following configuration: – No compression paddle – No bucky installed – SID = 610 mm – Mo track – Large focal spot

JOB CARDS

5.1.2

Take a new cardboard cassette or Ready Pack and insert three thumb tacks through it, FROM THE SIDE THAT WILL FACE THE X–RAY TUBE, in the following way: – Two thumb tacks inserted along the (long) edge of the film that will be at the front edge of the image receptor support, at approximately 2 cm in from this edge and approximately 4 cm inwards from the two shorter edges – The third thumb tack along the (short) edge of the film that will be on the left side of the image receptor support, approximately 2 cm in from this edge and approximately 12 cm from the rear edge of the film. Refer to illustration 1 below.

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CHECKING AND ADJUSMENT OF LATERAL CENTERING OF X–RAY BEAM

Job Card IST 021

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ILLUSTRATION 1 PLACEMENT OF THREE THUMB TACKS TO BE INSERTED IN THE READY PACK

READY PACK

APPROX 12 CM

JOB CARDS

TUBE SIDE APPROX 2 CM

APPROX 4 CM

APPROX 4 CM

APPROX 2 CM

APPROX 2 CM

Note:

It is NOT important to insert the three thumb tacks in a perfectly ”squared” alignment with the edges of the Ready Pack. 5.1.3

Place the Ready Pack on the image receptor support so that the points of the two ”front” thumb tacks butt perfectly up against the front edge of the image receptor support and the third thumb tack butts perfectly up against the left edge of the image receptor support. THE POSITIONING OF THE THREE THUMB TACKS AGAINST THE IMAGE RECEPTOR SUPPORT IS VERY IMPORTANT TO THE SUCCESS OF THESE CHECKS.

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5.2

Job Card IST 021

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Take the exposure. 5.2.1

Using normal application mode, set up a manual (2–point) exposure as follows: – 25 kV

JOB CARDS

– 20 mAs 5.2.2

Take the exposure.

5.2.3

Remove the thumb tacks and develop the film.

5.2.4

Using the ruler and a pen or pencil, carefully draw a straight line between the rearward edges (i.e. the edges of the holes closer to the front edge of the image receptor support during the exposure) of the two holes left by the thumb tacks on the front edge of the film. (See illustrations 2 and 3 below.) THIS LINE IS THE REFERENCE FOR ALL THE FOLLOWING GEOMETRICAL MEASUREMENTS.

5.2.5

Attach the developed film to a sheet of graph paper (or other support marked with a series of perpendicular lines), carefully aligning the front edge reference line with a convenient line on the graph paper. See illustration 3 below.

ILLUSTRATION 2 DETAIL OF WHERE TO DRAW REFERENCE LINE ON FILM WITH RESPECT TO HOLES LEFT BY THUMB TACKS REFERENCE LINE DRAWN IN INK OR PENCIL

TOWARDS FRONT EDGE OF FILM

HOLE LEFT IN FILM BY THUMB TACK

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Job Card IST 021

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ILLUSTRATION 3 CHECKING EXPOSED FILM FOR LATERAL CENTERING OF X–RAY TUBE FOCAL SPOT WITH RESPECT TO THE IMAGE RECEPTOR SUPPORT GRAPH PAPER

EXPOSED AREA OF FILM

JOB CARDS

DEVELOPED READY PACK FILM

t1

t2

approx. 100 mm

THIS LINE CORRESPONDS TO THE LEFT EDGE OF IMAGE RECEPTOR REPORT

LINE DRAWN IN INK OR PENCIL BETWEEN THE REARWARD EDGES OF THE TWO FRONT THUMB TACK HOLES – USED AS A REFERENCE FOR IMAGE RECEPTOR SUPPORT FRONT EDGE

THUMB TACK HOLES IN FILM INDICATING ALIGNMENT WITH IMAGE RECEPTOR SUPPORT

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5.3

Job Card IST 021

6 of 6

Check lateral centering of X–ray beam on image receptor support. 5.3.1

Use the ruler to measure carefully distances t1 and t2 in mm in parallel with the reference line and at approximately 100 mm rearward from the front edge of the film (see illustration 3).

5.3.2

Calculate the offset E: E (mm) = 275 – (t1 + 2*t2) where 275 mm is the width of the image receptor support, and t1 and t2 are expressed in mm

5.3.3 5.4

IF ⎜E⎜ ≥ 3 mm, proceed to section 5.4 below. If not, this is the end of the Job Card.

Correct lateral centering (if necessary) of X–ray beam on image receptor support.

JOB CARDS

5.4.1

Determine, according to whether E is positive or negative, from which side of the X–ray tube housing the adjustment will be made: – If E is POSITIVE, adjust from the LEFT side of the housing – If E is NEGATIVE, adjust from the RIGHT side of the housing

5.4.2

Adjust lateral position of X–ray tube focal spot by following the procedure below: 1. Place the 8 mm hollow offset tubular socket wrench around the adjustment screw locknut located on the side of the housing determined in section 5.4.1 above. 2. Hold the adjustment screw in the center of the locknut in place with the 2.5 mm Allen wrench. 3. Keeping the adjustment screw in place, loosen the locknut. 4. Use the 2.5 mm Allen wrench to UNSCREW (turn COUNTER–clockwise) the adjustment screw according to the formula NUMBER OF TURNS = 0.5 * E. 5. Keeping the adjustment screw in place, re–tighten the locknut. 6. Loosen the corresponding locknut on the OPPOSITE side of the housing and TIGHTEN (turn CLOCKWISE) the adjustment screw until snug, then re–tighten the locknut.

5.5

Check results by repeating sections 5.1 to 5.3.

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Job Card IST 022

CHECKING BASIC SUPPLY VOLTAGES

1 of 2

Version No.: Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS Accurate digital voltmeter (Fluke 8060 or equivalent) JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES IST 011 done. SECTION 5 FIRST POWER–ON CHECK The objective in this section is to detect (before it’s too late) an incorrect mains supply configuration. 5.1

Check keep–alive supply voltage. 5.1.1

Check that generator Mains Supply Switch 200–S1 is open (i.e. in the ”0” position) and that mains source is turned OFF.

5.1.2

Connect the voltmeter (set to 20 VDC scale) to generator mains power board 200–PL1 between test points PT15 (+VE) and PT12 (0VE). See illustration 1 below.

5.1.3

Close generator Mains Supply Switch 200–S1 (i.e. turn it to the ”1” position) and read the voltmeter immediately. It should read +8 ± 2 VDC.

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Job Card IST 022

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ILLUSTRATION 1 LOCATION OF TEST POINTS PT14 AND PT15 FOR CHECKING KEEP–ALIVE SUPPLY VOLTAGE ON GENERATOR MAINS DISTRIBUTION BOARD 200–PL1 R4

R1

TR2

X1

0VE PT12

JOB CARDS

PT14 – VE

PT15 + VE

GENERATOR MAINS DISTRIBUTION BOARD 200–PL1

CAUTION

5.1.4

Move the voltmeter connection to PT14 (–VE). The voltmeter should read –8V ± 2VDC

5.1.5

Connect the voltmeter (set to 500 VAC scale) to generator mains power board 200–PL1 between terminals 1 (0V) and 4 (220V).

5.1.6

Turn console on and read the voltmeter immediately. It should read 220 ± 20 VAC.

CAUTION

5.2

If the voltmeter reading is outside this range, turn mains source OFF IMMEDIATELY and check configuration of voltage selection board IN2 on generator mains distribution board 200–PL1 (see Job Card IST 011 ”CONNECTION OF MAINS SUPPLY”).

If the voltmeter reading is outside this range, open generator Mains Supply Switch 200–S1 IMMEDIATELY (i.e. turn it to the ”0” position) and check mains voltage selection wire ”SEL” on generator mains distribution board 200–PL1 (see Job Card IST 011 ”CONNECTION OF MAINS SUPPLY”).

Check generator 5.1Vdc supply voltage. 5.2.1

Note:

On generator CPU board 400–PL3, measure DC voltage +5.1 ± 0.05 V between TP110 and TP111 (GND). This voltage can be adjusted via the potentiometer located on the switching power supply, just beside the connector. Once adjustment is made, apply a drop of locking compound to prevent unintentional change of the potentiometer’s setting.

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Job Card IST 023

CALIBRATION OF COMPRESSION FORCE DETECTOR

Time: x h xx min

1 of 2

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None

D

Calibrated force detector capable of measuring compression force between the compression paddle and the cassette holder, required accuracy ±0.5 daN – the Mammo compression scale Part No. 46-194427P407 is recommended.

SECTION 3 SPECIAL SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES None SECTION 5 CALIBRATION OF COMPRESSION FORCE DETECTOR The objective is to calibrate the compression force detector.

WARNING If a power line failure occurs during the calibration (before a checksum is done), it is mandatory to repeat this calibration from the beginning. 5.1

Preparation Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3).

Note:

This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

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JOB CARDS

SECTION 2 TOOLS

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5.2

Job Card IST 023

2 of 2

Perform the calibration. 5.2.1

Set up the Senographe DMR in the following configuration: – Arm rotation at 0° – Contact mode

JOB CARDS

– Any compression paddle installed 5.2.2

Raise the compression paddle and place the force detector on the cassette holder.

5.2.3

Starting from application mode, select SETUP/ARM/VALID/INSTAL/CALIB/COMP/ FORCE/CALIB/MEASURE on the console.

5.2.4

With the compression paddle completely raised and out of contact (i.e. in its home position), press the ”0daN” key on the console.

5.2.5

Lower the compression paddle into contact with the force detector. Using the compression fine–adjustment knob, adjust the compression to exactly 3 daN on the force detector.

5.2.6

Press the ”3daN” key on the console.

5.2.7

Still using the compression fine–adjustment knob, increase the compression to exactly 6 daN on the force detector.

5.2.8

Press the ”6daN” key on the console.

5.2.9

Continue this process for 9 and 12 daN, then press the ”ETC” key on the console and proceed with 15, 18, 21, 24 and 27 daN.

5.2.10 Select SETUP/CALCUL on the console. This executes the calculation of the new force detector calibration parameters. 5.2.11 Perform a CKSUM and return to application mode. 5.2.12 Request a total decompression of the compression paddle (the paddle must return to its home position). 5.3

Check the results.

Note:

5.3.1

With the arm at 0° (i.e. X–ray tube above the cassette holder), bring the compression paddle into contact once again with the force detector. Increase the compression until maximum force is reached (i.e. compression cannot be further increased). Read the force detector measurement and check that it is within ±1 daN of the maximum compression force chosen in the SETUP/ARM/ VALID/MEDICAL/FORCE menu.

5.3.2

Repeat the above check with the arm rotated to 180° (i.e. X–ray tube below the cassette holder). The maximum compression force must never exceed 30 daN. This limit must always be checked after any maintenance (preventive or corrective) of the compression assembly to insure patient safety.

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Job Card IST 024

MINIMUM COMPRESSION/DECOMPRESSION FORCE TESTS

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS A 3 kg weight whose dimensions allow it to be placed on top of the compression paddle JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES D

Job Card IST 023 ”CALIBRATION OF COMPRESSION FORCE DETECTOR”

SECTION 5 MINIMUM COMPRESSION/DECOMPRESSION FORCE TESTS The objectives are: D

Check that a compression force (limit IC: In Compression) of at least 22 daN can be reached when the arm is rotated by 180° with the paddle drive motor current limit value set between 50% ard 70% (motor’s maximum current rating).

D

Check that a decompression force (limit OC: Out of Compression) of at least 3 daN can be reached when the arm is at 0° with the paddle drive motor current limit value set to 65% of the motor’s maximum current rating. (This ensures that the compression paddle will rise and stay up when decompression is requested.)

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5.1

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Prepare the Senographe DMR for the tests. 5.1.1

Note:

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3). This must be done only if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

5.1.2

Set up the Senographe DMR in contact mode with a compression paddle installed.

5.1.3

Inhibit the cassette detection in medical menu. Starting from application mode: SETUP/MEDICAL/FILM/NO

Checking and adjusting the limit IC

JOB CARDS

5.2

Job Card IST 024

5.2.1

Starting from application mode, select SETUP/ARM/VALID/INSTAL/CALIB/COMP/LIMIT/CALIB/LIMIT_IC on the console. Check that the limit IC is set in between 50% and 70% for the motor current value and perform the test.

5.2.2

Rotate the arm to 180° (i.e, X–ray tube below the cassette holder).

5.2.3

Bring the compression paddle into contact with the cassette holder.

Note:

Note:

Be ready to read the compression force displayed on the gantry readout unit, the paddle should release and fall towards the tube housing for a compression close to 22 daN. 5.2.4

Increase compression to 22 daN as displayed on the gantry display panel. You must be able to reach 22 daN without the compression paddle releasing. If the compression paddle releases for a force lower or higher than 22 daN, perform the adjustment in step 5.2.5; otherwise go to step 5.3.

5.2.5

Set up the limit IC to its minimum: Starting from application mode, select SETUP/ARM/VALID/INSTAL/CALIB/COMP/LIMIT/CALIB/LIMIT_IC on the console.Use the + and - key on the console to set the motor current value to 50%. Enter this values with the VAL key on the console.

5.2.6

Increase compression to 22 daN as displayed on the gantry display panel. You must be able to reach 22 daN without the compression paddle releasing.

5.2.7

If the compression paddle releases before a force of 22 daN is reached, increase the compression motor current value by 5%, then try again to reach 22 daN. Continue increasing the maximum in compression motor current value in steps of 5%, if necessary, until 22 daN can be reached. Between each compression, request a total decompression of the compression paddle, using the appropriate footswitch.

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Check the limit OC. 5.3.1

Rotate the arm to 0° (i.e, X–ray tube above the cassette holder).

5.3.2

Bring the compression paddle into contact with the cassette holder.

5.3.3

Select SETUP/LIMIT_OC on the console. The maximum motor current value (in decompression mode) should be set to 65% otherwuise use the + and - key on the console to set this value. Enter this value with the VAL key on the console and return to the application menu.

5.3.4

Place the 3 kg weight on top of the compression paddle.

5.3.5

Request a total decompression of the compression paddle using the appropriate pedal. The compression paddle must rise smoothly to its home position.

5.3.6

If the compression paddle slips or releases, check that the compression paddle drive belt is not slipping. If it is slipping, adjust or replace the belt.

Note:

The maximum out of compression motor current adjustment range is limited to 65%. 5.3.7

Perform a CKSUM and return to application mode.

5.3.8

If you are handing the machine back to the user at this point, turn the Senographe DMR off, then back on again.

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JOB CARDS

5.3

Job Card IST 024

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Job Card IST 024

JOB CARDS

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Job Card IST 025

CALIBRATION OF BREAST THICKNESS MEASUREMENT

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS Plexiglass in thickness increments of 0.5 cm (minimum plexiglass dimensions 20 x 20 cm) JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES D

Job Card IST 023 ”CALIBRATION OF COMPRESSION FORCE DETECTOR”

D

Check the configuration of the senographe with the bucky used (see section 5 installation steering, step 13.b.ii).

SECTION 5 CALIBRATION OF BREAST THICKNESS MEASUREMENT The objective is to calibrate the breast thickness measurement. Since the compression paddle and its drive train, as well as the cassette holder or magnification device undergo deflection when under compression, a compensation factor must be calculated to correct for changes in compression force at a fixed breast thickness. Two calibrations must in fact be done, one for contact mode and one for magnification mode. 5.1

Prepare the Senographe DMR for the calibrations. Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3).

Note:

This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

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5.2

5.4

JOB CARDS

2 of 4

Perform the contact mode calibration. 5.2.1

Set up the Senographe DMR in contact mode with the 18 x 24 compression paddle installed.

5.2.2

Request a total decompression of the compression paddle to its home position.

Note:

5.3

Job Card IST 025

This MUST be done before entering the gantry installation menus. 5.2.3

Starting from application mode, select SETUP/ARM/VALID/INSTAL/CALIB/THICK/CONTACT/CALIB on the console.

5.2.4

Lower the compression paddle into contact with the cassette holder. Using the compression fine– adjustment knob, adjust the compression to between 3 and 5 daN as read on the gantry display panel. Press the ”<5daN” key on the console.

5.2.5

Increase the compression to between 15 and 20 daN as read on the gantry display panel. Press the ”>15daN” key on the console. The ”Calcul” key appears on the console display.

5.2.6

Press the ”Calcul” key on the console. This executes the calibration calculation for contact mode.

Check the contact mode calibration results. 5.3.1

Request a total decompression of the compression paddle.

5.3.2

Keeping the Senographe DMR in contact mode, place 4 cm of plexiglass in the center of the bucky.

5.3.3

Lower the compression paddle into contact with the plexiglass.

5.3.4

Verify for any compression force between zero and 20 daN of compression (as displayed on the gantry display panel), that the breast thickness displayed on the gantry display panel does not vary outside the range of 35 to 45 mm (i.e. plexiglass thickness of 40 mm, ± 5 mm).

Perform the magnification mode calibration. 5.4.1

Install the magnification device and the 18 x 24 compression paddle.

5.4.2

Select SETUP/SETUP/MAGNIF/CALIB on the console.

5.4.3

Request a total decompression of the compression paddle to its home position, using the appropriate pedal.

5.4.4

Lower the compression paddle into contact with the magnification device. Using the compression fine–adjustment knob, adjust the compression to between 3 and 5 daN as read on the gantry display panel. Press the ”<5daN” key on the console.

5.4.5

Increase the compression to between 15 and 20 daN as read on the gantry display panel. Press the ”>15daN” key on the console. The ”Calcul” key appears on the console display.

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5.4.6

5.6

3 of 4

Press the ”Calcul” key on the console. This executes the calibration calculation for magnification mode.

Check the magnification mode calibration results. 5.5.1

Request a total decompression of the compression paddle.

5.5.2

Place 4 cm of plexiglass on the magnification device.

5.5.3

Lower the compression paddle into contact with the plexiglass.

5.5.4

Verify for any compression force between zero and 20 daN of compression (as displayed on the gantry display panel), that the breast thickness displayed on the gantry display panel does not vary outside the range of 37 to 43 mm (i.e. plexiglass thickness of 40 mm, ± 3 mm).

Return the Senographe DMR to its normal state. 5.6.1

Perform a CKSUM and return to application mode.

5.6.2

If you are turning the Senographe DMR back over to the user at this point, turn the Senographe DMR off, then back on again.

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JOB CARDS

5.5

Job Card IST 025

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Job Card IST 025

JOB CARDS

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Job Card IST 026

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Version No.:

CALIBRATION OF GRID POSITION

Date: Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS

JOB CARDS

None SECTION 3 SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES D

Job Card IST 015 “CALIBRATION OF COMPRESSION ARM ANGULATION”. Arm angulation must be correctly calibrated to ensure that grid movement is made in the correct direction when the angulation is positive or negative.

SECTION 5 CALIBRATION OF GRID POSITION The objective is to calculate the gain and offset necessary for determining the grid position. The calibration is fully automatic. A check is included at the end of this automatic calibration to see if the calculated gain and offset are within a certain range. If they are not, an error message appears on the console display. 5.1

Prepare the Senographe DMR for the calibration of grid position. 5.1.1

Note:

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3). This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

5.1.2

Set up the Senographe DMR in contact mode with the 18 x 24 bucky.

5.1.3

Set arm rotation to 0° (Bucky is horizontal).

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5.2

Job Card IST 026

2 of 2

Perform the calibration of grid position. 5.2.1

Starting from application mode, select SETUP/ARM/VALID/INSTAL/CALIB/GRID/CALIB on the console.

5.2.2

Select CALIB on the console. If the calibration is successful, ”CALIBRATION OK” appears on the console display within a few seconds. – If “Invalid gain/offset” or other error message is displayed, the bucky is to be replaced.

5.2.3

On the console, select each of the following calibration parameters in turn; note the values and check them against the acceptable values given in the table below: OFFSET; GAIN; MIN; MAX

JOB CARDS

– If any of these values is out of range, the bucky is to be replaced. 5.2.4

Repeat steps 5.2.2 and 5.2.3 with the arm rotated to +90°.

5.2.5

Repeat steps 5.2.2 and 5.2.3 with the arm rotated to –90°.

5.2.6

Repeat steps 5.2.2 to 5.2.5 using the 24 x 30 bucky, if available.

5.2.7

Return to application mode (a CKSUM is not necessary when grid position parameters have been changed).

5.2.8

If you are handing the Senographe DMR back to the user at this point, turn the Senographe DMR off, then back on again.

PARAMETER

ARM AT 0_

ARM AT +90_

ARM AT –90_

Acceptable Values

18 x 24 Bucky: OFFSET

0.47 thru 0.53

GAIN

0.5 thru 0.6

MIN

> 5000 (5.000E+3)

MAX

< 60500 (6.050E+4)

24 x 30 Bucky: OFFSET

0.47 thru 0.53

GAIN

0.5 thru 0.6

MIN

> 5000 (5.000E+3)

MAX

< 60500 (6.050E+4)

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Job Card IST 027

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Version No.:

CHECKING X–RAY FILM FORMAT GEOMETRY

Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES D

Ready Pack or cardboard cassette films (24 x 30 format)

D

Ruler calibrated in mm (minimum length 30 cm).

D

Writing implement capable of marking the surface of an X–ray film.

D

Thumb tacks or push pins (at least 20 mm long)

D

Plexiglas plates in thickness increments of 5mm. Plates used for AEC calibration are adequate.

SECTION 3 SAFETY PRECAUTIONS

CAUTION

This procedure produces X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES Job Card IST 029 must be done before commencing this procedure. Note:

This prerequisite is given as a reminder only.

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JOB CARDS

SECTION 2 TOOLS

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Job Card IST 027

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SECTION 5 CHECKING X–RAY FILM FORMAT GEOMETRY The objective is to verify that the exposed area on the X–ray film is within the required tolerances for the following properties: Parallelism between front collimator blade and front edge of image receptor support Perpendicularity between left collimator blade and front edge of image receptor support Perpendicularity between right collimator blade and front edge of image receptor support Parallelism between rear collimator blade and front edge of image receptor support Lateral centering of X–ray beam on image receptor support Maximum overlap of X–ray beam beyond front edge of image receptor support (MQSA requirement) JOB CARDS

Dimensions of exposed area (width and depth). These checks are performed by making various geometrical measurements on an exposed cardboard cassette or Ready Pack film. 5.1

Prepare the Senographe DMR for the exposure. Set the lateral, rear, and front, collimator margins according to local standards or the doctor’s preference: 1. Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3).

Note:

This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL 2. Select SETUP/ARM/VALID/INSTAL/CONFIG/COLLIM/MARG_L on the console. 3. Press the + or – key on the console, repeatedly if necessary, until the desired lateral collimator margin in millimetres is obtained (see the table below for standards and recommendations to get full film blackening).

Standard

Lateral margin (mm) = MARG_L

Selection*

CEI**

+2

.....

UK

+3

.....

AUSTRALIA**

0

.....

MQSA/CDRH

+2

.....

* Note down (X) the selected value. ** Standard authorizes the full film blackening and in these tables, we indicate the margin configuration to get it. But the user can also use margins inside the film. 4. Select VALID on the console.

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Job Card IST 027

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5. Select SETUP/MARG_R on the console.

Standard

Rear margin (mm) = MARG_R

Selection*

CEI**

+2

.....

UK

+2

.....

AUSTRALIA**

0

.....

MQSA

+2

.....

* Note down (X) the selected value. ** Standard authorizes the full film blackening and in these tables, we indicate the margin configuration to get it. But the user can also use margins inside the film. 7. Select VALID on the console. 8. Select SETUP/MARG_F on the console. 9. Press the + or – key on the console, repeatedly if necessary, until the desired front collimator margin in millimetres is obtained (see the table below for standards and recommendations to get full film blackening).

Standard

Front margin (mm) = MARG_F

Selection*

CEI

+2

.....

UK

+2

.....

AUSTRALIA

+3

.....

MQSA

+2

.....

* Note down (X) the selected value. 10. Select VALID on the console. 11. Perform a “CKSUM” and return to application mode. 5.1.1

Set up the Senographe DMR in the following configuration: – No compression paddle – No Bucky – SID = 660 mm

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JOB CARDS

6. Press the + or – key on the console, repeatedly if necessary, until the desired rear collimator margin in millimetres is obtained (see the table below for standards and recommendations to get full film blackening).

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CHECKING X–RAY FILM FORMAT GEOMETRY

5.1.2

Job Card IST 027

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Take a new cardboard cassette or Ready Pack and insert three thumb tacks through it, from the side that will face the x–ray tube, in the following way: – two thumb tacks inserted along the (long) edge of the film that will be at the front edge of the image receptor support, at approximately 20mm in from this edge and approximately 40mm in from the two shorter edges – the third thumb tack along the (short) edge of the film that will be on the left side of the image receptor support, approximately 20mm in from this edge and approximately 120mm from the rear edge of the film. Refer to Illustration 1 below.

JOB CARDS

ILLUSTRATION 1 PLACEMENT OF THREE THUMB TACKS TO BE INSERTED IN THE READY PACK

READY PACK

APPROX 120mm

TUBE SIDE APPROX 20mm

APPROX 40mm

APPROX 40mm

APPROX 20mm

APPROX 20mm

Note:

It is not important to insert the three thumb tacks in a perfectly squared alignment with the edges of the Ready Pack.

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5.1.3

Note:

Job Card IST 027

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Place 15 mm of plexiglas on the image receptor top as shown in illustration 2, to raise the Ready pack film. This arrangement is done to simulate the exact film placement when a Bucky and a cassette are used. This configuration is mandatory to measure accurately the X-Ray area in step 5.8, 5.9 &5.10 (particularly critical for front edge position). The reason for such criticity is the tolerance decreasing (now 1% of SID for front edge overlap) induced by various country regulations.

ILLUSTRATION 2 TOP VIEW

JOB CARDS

IMAGE RECEPTOR TOP

THUMB TACK

PLEXIGLASS PLATE (15 MM) (Placed between film and image receptor)

READY PACK FILM

5.1.4

THUMB TACK

Place the Ready Pack on the plexiglas plate support so that the points of the two front thumb tacks butt perfectly up against the front edge of the support and the third thumb tack butts perfectly up against the left edge of the support. Correct positioning of all three thumb tacks is very important for the success of the ensuing checks.

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5.2

Job Card IST 027

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Take the exposure. 5.2.1

Using normal application mode, set up a manual (2–point) exposure as follows: – Maximum format – Mo track – Large focal spot – 25 kV – 20 mAs

It is critical that the TRACK is MO and that the FOCAL SPOT is LARGE.

5.2.2

Take the exposure.

5.2.3

Remove the thumb tacks and develop the film.

5.2.4

Using the ruler and a pen or pencil, carefully draw a straight line between the rearward edges (i.e. the edges of the holes closer to the front edge of the image receptor support during the exposure) of the two holes left by the thumb tacks on the front edge of the film (see Illustration 3 below). Draw another line parallel to the first one and shifted by 3 mm inside the film. This line represents the edge of the film inside a cassette and is the reference for all the following measurements.

5.2.5

Attach the developed film to a sheet of graph paper (or other support marked with a series of perpendicular lines), carefully aligning the front edge reference line with a convenient line on the graph paper. See illustration 4 below.

ILLUSTRATION 3 DETAIL OF WHERE TO DRAW REFERENCE LINE ON FILM WITH RESPECT TO HOLES LEFT BY THUMB TACKS REFERENCE LINE DRAWN IN INK OR PENCIL

LINE DETERMINED BY HOLES

3 mm

JOB CARDS

CAUTION

TOWARDS FRONT EDGE OF FILM HOLE LEFT IN FILM BY THUMB TACK

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5.3

Job Card IST 027

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Check parallelism between the front collimator blade and the front edge of the image receptor support. Use the ruler to measure carefully distances y1 and y2 (see illustration 4). CRITERION: The difference between y1 and y2 must be LESS THAN 2 mm. If the criterion is not met, loosen the collimator assembly hold–down screws and rotate the assembly to correct the parallelism. Re–tighten the screws. Check by repeating the exposure. Once the parallelism is satisfactory, proceed to the next check below (use the NEW film obtained from the most recent check exposure in all the following checks).

5.4

Check perpendicularity between left collimator blade and front edge of image receptor support. Use the ruler to measure carefully distances z1 and z2. (See illustration 5.)

Note:

It is important to notice that z1 and z2 are measured between the left edge of the exposed area of the film and ANY convenient perpendicular line on the graph paper.

If the criterion is not met, exchange the collimator. No field adjustment is possible. 5.5

Check perpendicularity between right collimator blade and front edge of image receptor support. Use the ruler to measure carefully distances z1’ and z2’. (See illustration 5.) CRITERION: The difference between z1’ and z2’ must be LESS THAN 1.5 mm.

Note:

It is important to notice that z1’ and z2’ are measured between the right edge of the exposed area of the film and ANY convenient perpendicular line on the graph paper.

If the criterion is not met, exchange the collimator. No field adjustment is possible. 5.6

Check parallelism between rear collimator blade and front edge of image receptor support Use the ruler to measure carefully distances d1 and d2. (See illustration 6.) CRITERION: The difference between d1 and d2 must be LESS THAN 2 mm.

Note:

It is important to notice that d1 and d2 are measured between the rear edge of the exposed area and the REFERENCE LINE.

If the criterion is not met, exchange the collimator. No field adjustment is possible.

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JOB CARDS

CRITERION: The difference between z1 and z2 must be LESS THAN 1.5 mm.

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5.7

Job Card IST 027

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Check lateral centering of x–ray beam on image receptor support Use the ruler to measure carefully distances t1 and t2 at approximately 100 mm rearward from the front edge of the film. (See illustration 7.) t1 = . . . . . mm

t2 = . . . . . . mm

CRITERION: ⎜275 – (t1 + 2t2)⎜ must be LESS THAN 4 mm. Where 275 mm is the width of the image receptor support and distances t1 and t2 are in mm.

JOB CARDS

If the criterion is not met, adjust the lateral position of the X–ray tube housing as described at the end of Job Card IST 021 ”CHECKING AND ADJUSTMENT OF LATERAL CENTERING OF X–RAY BEAM”. Check by repeating the exposure before proceeding (be sure to re–configure the Senographe DMR as given in THIS Job Card before taking the exposure). Once the lateral centering is satisfactory, proceed to the next check below (use the NEW film obtained from this most recent check exposure in all the following checks). 5.8

Check width of exposed area Use the ruler to measure carefully distance t1 at approximately 100 mm rearward from the reference line (see illustration 7). Same value as in 5.7 above: t1 = . . . . . mm CRITERION: t1 must be in the range of (238 + 2* MARG_L) ± 3 mm (respect the sign of MARG_L! ). Where MARG_L was determined and entered in Section 5.1. EXAMPLE 1: If margin is set to +2 mm (CDRH Standard), then the criterion is: 239 mm < t1 < 245 mm. EXAMPLE 2: If margin is set to +4 mm, then the criterion is: 243 mm < t1 < 249 mm. If this criterion is not met, perform Job Cards IST 029 and IST 030, then repeat the check exposure (be sure to re–configure the Senographe DMR as described in Section 5.1 above before taking the exposure) and proceed to the next check below (use the NEW film obtained from this most recent check exposure in the following check).

5.9

Check depth of exposed area. Use the ruler to measure carefully distance d3 at approximately the lateral center of the exposed area. (See illustration 6.) CRITERION: d3 must be in the range of (178 + MARG_R) ±3mm where MARG_R was determined and entered in Section 5.1. EXAMPLE: If Margin is set to +2 mm (CDRH standard) then the criterion is: 177 mm < d3 < 183 mm. If this criterion is not met, perform Job Cards IST 029 and IST 030, then repeat the check exposure (be sure to re–configure the Senographe DMR as given in THIS Job Card before taking the exposure) and proceed to the next check bellow, using the film obtained with Job Card IST 030.

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Job Card IST 027

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5.10 Check the front margin of the exposed area Use the ruler to measure carefully the distance W (see Illustration 8). The value sign is positive if the X-Ray area exceed the image receptor edge, negative if the X-Ray area is inside the image receptor. Criterion: (take care of Marg_F and W sign ! ) Marg_F –1.5 mm < W < Marg_F + 1.5 mm Where Marg_F is the value entered in Section 5.1. EXAMPLE 1: If Marg_F is set to +2 (CDRH, CEI standard) 0.5 mm < W < 3.5 mm

If these criteria are not met, perform Job Cards IST 029 and IST 030, then repeat the check exposure (be sure to re–configure the Senographe DMR as described in Section 5.1 above before taking the exposure).

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JOB CARDS

EXAMPLE 2: If Marg_F is set to –2 (Australia standard) –3.5 mm < W < – 0.5 mm

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Job Card IST 027

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ILLUSTRATION 4 CHECKING EXPOSED FILM FOR PARALLELISM BETWEEN FRONT EDGE OF EXPOSED AREA AND FRONT EDGE OF IMAGE RECEPTOR SUPPORT

GRAPH PAPER

EXPOSED AREA OF FILM

JOB CARDS

DEVELOPED READY PACK FILM

y2

y1

THIS LINE CORRESPONDS TO THE LEFT EDGE OF IMAGE RECEPTOR REPORT

REFERENCE LINE DRAWN IN 5.2.4

THUMB TACK HOLES IN FILM INDICATING ALIGNMENT WITH IMAGE RECEPTOR SUPPORT

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Job Card IST 027

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ILLUSTRATION 5 CHECKING EXPOSED FILM FOR PERPENDICULARITY BETWEEN LEFT AND RIGHT COLLIMATOR BLADES AND FRONT EDGE OF IMAGE RECEPTOR SUPPORT GRAPH PAPER

EXPOSED AREA OF FILM

z2

Z2’

z1

z 1’

REFERENCE LINE DRAWN IN 5.2.4 THUMB TACK HOLES IN FILM INDICATING ALIGNMENT WITH IMAGE RECEPTOR SUPPORT

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DEVELOPED READY PACK FILM

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ILLUSTRATION 6 CHECKING EXPOSED FILM FOR PARALLELISM BETWEEN REAR COLLIMATOR BLADE AND FRONT EDGE OF IMAGE RECEPTOR SUPPORT GRAPH PAPER

EXPOSED AREA OF FILM

JOB CARDS

DEVELOPED READY PACK FILM

d1

d3

d2

REFERENCE LINE DRAWN IN 5.2.4 THUMB TACK HOLES IN FILM INDICATING ALIGNMENT WITH IMAGE RECEPTOR SUPPORT

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Job Card IST 027

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ILLUSTRATION 7 CHECKING EXPOSED FILM FOR CENTERING OF LATERAL COLLIMATOR BLADES WITH RESPECT TO THE IMAGE RECEPTOR SUPPORT GRAPH PAPER

EXPOSED AREA OF FILM

JOB CARDS

DEVELOPED READY PACK FILM

t1

t2

approx. 100 mm

REFERENCE LINE DRAWN IN 5.2.4 THUMB TACK HOLES IN FILM INDICATING ALIGNMENT WITH IMAGE RECEPTOR SUPPORT

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Job Card IST 027

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ILLUSTRATION 8 CHECKING EXPOSED FILM FOR MAXIMUM OVERLAP OF X–RAY BEAM BEYOND FRONT EDGE OF IMAGE RECEPTOR SUPPORT (MQSA REQUIREMENT) GRAPH PAPER

EXPOSED AREA OF FILM

JOB CARDS

DEVELOPED READY PACK FILM

w2

w1 W

REFERENCE LINE DRAWN IN 5.2.4 THUMB TACK HOLES IN FILM INDICATING ALIGNMENT WITH IMAGE RECEPTOR SUPPORT

NOTE:

In this example , w is a positive value.

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SENOGRAPHE DMR+ Purpose:

Job Card IST 028

LIGHT CENTERING CALIBRATION

1 of 6

Version No.: Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES D

Ready pack or cardboard cassette films (24 x 30 format).

D

Ruler calibrated in mm.

D

Writing implement capable of marking the surface of an X-ray film.

D

Thumb tacks or push pins.

SECTION 3 SAFETY PRECAUTIONS

CAUTION

This procedure produces X-rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES Job Card IST 027 + IST 029 + IST 030 must be done before starting this procedure, and in that order. Note:

This prerequisite is given as a reminder only. If collimator lamp was just changed, Job Card IST 036 must be performed first.

SECTION 5 LIGHT CENTERING CALIBRATION The objective is to calibrate light centering for X-Ray and light format coincidence. This calibration is performed by making an exposure on a cardboard cassette or Ready Pack film, followed by a real time collimator blade adjustment. 5.1

Prepare the Senographe DMR for the exposure 5.1.1

Set up the Senographe DMR in the following configuration: –

No compression paddle.

–

Bucky 18 x 24 installed (mandatory).

–

SID = 560 mm.

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SECTION 2 TOOLS

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Note:

Job Card IST 028

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A warning message “Set Sid to 560” will appear in the sub–menu if the SID is not correctly set. In this case, simply reset the SID to 560. The message dissapears when the menu level is changed (up or down). 5.1.2

Take a new cardboard cassette or Ready Pack and insert three thumb tacks through it, from the side that will face the x-ray tube, in the following way: –

Two thumb tacks inserted along the (long) edge of the film that will be at the front edge of the image receptor support, at approximately 20 mm in from this edge and approximately 40 mm in from the two shorter edges.

–

The third thumb tack along the (short) edge of the film that will be on the left side of the image receptor support, approximately 20 mm in from this edge and approximately 120 mm from the rear edge of the film.

JOB CARDS

Refer to Illustration 1 below. ILLUSTRATION 1 PLACEMENT OF THREE THUMB TACKS TO BE INSERTED IN THE READY PACK

READY PACK

APPROX 120mm

TUBE SIDE APPROX 20mm

APPROX 40mm

APPROX 40mm

APPROX 20mm

APPROX 20mm

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It is not important to insert the three thumb tacks in a perfectly squared alignment with the edges of the Ready Pack.

5.1.3

Note:

Place the Ready Pack on the Bucky so that the points of two front thumb tacks butt perfectly up against the front edge of the Bucky and the third thumb tack butts perfectly up against the lelt edge of the Bucky. Correct positionning of all three thumb tacks is very important for the success of the ensuing checks. The use of Bucky is mandatory for adjustment accuracy.

Take the exposure 5.2.1

Starting from application mode, select: SETUP/ARM/VALID/INSTAL/CALIB/FORMAT/CALIB/LIGHT/EXPOSE Change mAs value (default = 25 mAs) if required

5.2.2

Take the exposure.

5.2.3

Remove the thumb tacks and develop the film.

ILLUSTRATION 2 DETAIL OF WHERE TO DRAW REFERENCE LINE ON FILM WITH RESPECT TO HOLES LEFT BY THUMB TACKS REFERENCE LINE DRAWN IN INK OR PENCIL

TOWARDS FRONT EDGE OF FILM HOLE LEFT IN FILM BY THUMB TACK

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JOB CARDS

5.2

Job Card IST 028

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5.2.4 Note:

5.3

Job Card IST 028

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Place the thumb tacks again at the same place and place the film at the same place on the Bucky. The film positioning is very important for the success of the following checks. To improve the visibility of the lighted area limit, insert a white sheet of paper between the Bucky top and the film. It is advisable to turn off all room lighting before proceeding to the following steps.

Light Alignment Adjustment. The purpose of this section is to adjust the front lighted area with the front X-Ray blackened area (only for collimator equiped with a motor driven front blade).

JOB CARDS

5.3.1 Note:

The centering light should turn on when you enter this menu. 5.3.2

Use + & – keys or rotate console kV button to change the displayed value. When the value is changed, collimator front and rear blades are moving at once. For the moment, only consider the movement of the collimator front blade. Stop changing the value when alignment is correct.

5.3.3

Press the VALID key to memorize the setting.

Note:

5.4

Select: SETUP/ALIGN

If it is impossible to align perfectly the front blade (Diff_F is always above 2 mm, see illustration 3) perform Job Card IST 036 (Adjustment of centering device lamp).

Light Coverage Adjustment. The purpose of this Section is to adjust the light coverage with the X-Ray blackened area. 5.4.1

Note:

Note:

5.5

select: SETUP/COVERAGE The centering light should turn off and on again when you enter this menu.

5.4.2

Use + & – keys or rotate console kV button to change the displayed value. The value changes by step of 5 units, starting from the previous value (e.g. –12, –7, –2, +3, +8 ...etc). When the value is changed, only the lateral and rear collimator blades are moving at once. Stop changing the value when alignment is correct.

5.4.3

Press the VALID key to memorize the setting. If it is impossible to align simultaneously the lateral and rear blades, try to find a position where Diff_L and Diff_R are both less than 2 mm (see illustration 4). If this compromise is impossible, perform Job Card IST 036 (Adjustment of Centering device lamp).

Perform a CKSUM and return to application mode

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JOB CARDS

Diff_F

ILLUSTRATION 3

X-RAY BLACKENED AREA LIGHTED AREA ILLUSTRATION 4

Diff_R

Diff_L

X-RAY BLACKENED AREA LIGHTED AREA

Ideally Diff_F, Diff_R and Diff_L are equal to zero. Maximumum allowed deviation is +/– 2 mm from the X–Ray area on each side.

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Job Card IST 028

JOB CARDS

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Job Card IST 029

CALIBRATION OF X–RAY TUBE REFERENCE ANGLE

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES D

18 x 24 mm film and cassette

SECTION 2 TOOLS Ruler calibrated in mm (minimum length 20 cm) JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS

CAUTION

This procedure produces X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES D

None

SECTION 5 CALIBRATION OF X–RAY TUBE REFERENCE ANGLE The objective is to determine the X–ray tube angle when in its reference position. This calibration is done by taking an exposure (at a given SID) whose field coverage depth is limited by the anode geometry and not by the rear collimator blade, measuring this field coverage depth, and entering this depth into the Senographe DMR which subsequently calculates the X–ray tube angle when in its reference position.

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5.1

Job Card IST 029

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Perform the calibration of X–ray tube reference angle. 5.1.1

Set up the Senographe DMR in the following configuration: – Contact mode – 18 x 24 mm bucky and grid installed – SID set to 560 mm

JOB CARDS

CAUTION

The SID must not be changed from 560 mm until successful completion of this Job Card.

5.1.2

Install a cassette loaded with fresh film in the bucky.

5.1.3

Select SETUP/ARM/VALID/INSTAL/CALIB/TUBE/CALIB/EXPOSE/VALID/VALID on the console.

5.1.4

Take an exposure by pressing the 2nd trigger button.

5.1.5

Develop the film and use the ruler to measure the distance between the front edge (edge closest to the patient) of the film and the rear edge of the blackened area.

Note:

Be sure to measure from the front edge of the FILM, even if the blackened area does not extend to it.

Note:

Be sure that the rear edge of the blackened area truly represents the end of the anode, and not a stuck rear collimator blade (normally the software commands ”full open” during the exposure) or other obstacle. This can be determined by the abruptness of the change in contrast between the blackened area and the clear area. If the change is gradual, the exposure is good. If it is very abrupt, it is necessary to correct the problem and repeat the calibration.

Note:

If the blackened area of the film extends all the way to its rear edge, the X–ray tube reference angle is severely incorrect and this calibration cannot be performed. 5.1.6

Select SETUP/SETUP/SETUP/MEASURE on the console and enter the measured value in mm using the NEXT and VALID keys.

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5.1.7

Job Card IST 029

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Select SETUP/Calculation on the console to execute the X–ray tube angle calculation. Normally, the message ”calib OK” appears on the console display. If the message ”calib error” appears instead, this means that the calculated X–ray tube reference angle value is out of range. To check this, select SETUP/SETUP/PARAM on the console. The displayed value of the calculated X–ray tube reference angle A_REF must be between +2.800E–1 and +3.500E–1 (0.28 and 0.35) radians. If the angle is out of range, correct the problem and repeat the calibration (check first that the SID was effectively set to 560 mm). Perform a CKSUM and return to application mode.

5.1.9

If you’re turning the machine back over to the user at this point, turn the Senographe DMR off, then back on again. JOB CARDS

5.1.8

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Job Card IST 029

JOB CARDS

Blank page

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Job Card IST 030

CALIBRATION OF LATERAL, REAR, AND FRONT, COLLIMATOR BLADE REFERENCE POSITIONS

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES D

18 x 24 cm film and cassette

SECTION 2 TOOLS Ruler calibrated in mm (minimum length 20 cm) JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS

CAUTION

This procedure produces X–Rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES D

Job Cards IST 029 and IST 027 must have been done before commencing this procedure (these prerequisites are given as a reminder only).

D

Job Cards IST 028 if the collimator has a non–motorized front blade.

SECTION 5 CALIBRATION OF ALL COLLIMATOR BLADE REFERENCE POSITIONS The objective is to determine the lateral, rear, and front, collimator reference positions. The result is that the software will then be able to command and obtain any desired X–Ray format. This calibration is done by taking three exposures (at a given SID): –

A first exposure with blades at optical fork reference.

–

A second exposure as large as possible.

–

A third exposure as small as possible.

The width and depth positions of the blackened areas of the exposed film are then measured and entered in the Senographe DMR which in turn calculates and saves the reference positions.

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5.1

Job Card IST 030

2 of 4

Perform acquisition of three exposures. 5.1.1

Set up the Senographe DMR in the following configuration: – Large focal spot. – Mo track – Contact mode. – Bucky 18 x 24 cm in place (with grid). – SID must be set to 560 mm.

JOB CARDS

Note:

A warning message “Set Sid to 560” will appear in the sub–menu if the SID is not correctly set. In this case, simply reset the SID to 560. The message dissapears when the menu level is changed (up or down).

CAUTION

1. The SID must not be changed from 560 mm until successful completion of this Job Card – the value is now the default for SID in the following calibration menus. 2. This calibration uses the full surface area of the film. Check that no mask or other object is present in the beam before proceeding.

5.1.2

Install a cassette loaded with fresh film in the bucky.

5.1.3

Select: SETUP/ARM/VALID/INSTAL/CALIB/FORMAT/CALIB/COLLIM/EXPOSE/VALID/ VALID

Note:

The default value of 10 mAs can be modified if necessary; for normal cassettes use 5 mAs for each exposure. The kV value is automatically set to 22 kV. Too dark an exposure will produce a shadow around the exposed area, decreasing distance measurement accuracy. 5.1.4

Take the three exposures in sequence; press the 2nd trigger button and hold it until the third exposure is acquired (the messages: “1st exposure”, 2nd exposure”, “3rd exposure”, then “end of acquisition”, are displayed).

5.1.5

Develop the film and use the ruler to measure the differents distances as shown in Illustration 1.

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5.2

Job Card IST 030

3 of 4

Enter measured values from DMR console. See illustration 1.

Note:

During this procedure, warning messages Value too high or Value too low will be displayed if an out-of-range value is entered. If this happens, check the value. 5.2.1

Select SETUP/SETUP/SETUP/REF_L/MEASURE and enter the measured (L1) value in mm using the NEXT and VALID keys. The valid range is 188.9 < L1 < 195.6.

5.2.2

Once L1 value is entered, select SETUP/CALCUL.

ILLUSTRATION 1 BLACKENED FILM AREA DIMENSIONING

JOB CARDS

L2

R2

L1

L3

R1 R3

A1

Front edge of film 5.2.3

Select SETUP/REF_R/MEASURE and enter the measured (R1) value in mm using the NEXT and VALID keys. The valid range is 128.6 < R1 < 142.3.

5.2.4

Once R1 value is entered, select SETUP/CALCUL.

5.2.5

Select SETUP/REF_F/MEASURE and enter the measured (A1) value in mm using the NEXT and VALID keys. The valid range is 7.15 < A1 < 16.86.

5.2.6

Once A1 value is entered, select SETUP/CALCUL.

5.2.7

L2 – L3 value must be entered as follows: Select SETUP/DIFF–L/MEASURE and enter the (L2 – L3) value in mm using the NEXT and VALID keys.

5.2.8

Once (L2 – L3) value is entered, select SETUP/CALCUL.

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CALIBRATION OF LATERAL, REAR, AND FRONT, COLLIMATOR BLADE REFERENCE POSITIONS

5.2.9

Job Card IST 030

4 of 4

R2 – R3 value must be entered as follows: Select SETUP/DIFF–R/MEASURE and enter the (R2 – R3) value in mm using the NEXT and VALID keys.

5.2.10 Once (R2 – R3) value is entered, select SETUP/CALCUL. 5.2.11 The calibration procedure is now complete. Perform a checksum as follows: SETUP/GENE/ INSTAL/CKSUM.

JOB CARDS

Note:

This calibration procedure adjusts the values of STP_L and STP_R to improve shutter positioning accuracy. The new values after calibration should be close to the default values (below). To check for correct operation of a collimator, or if you find a problem with the calibration, start with the default parameter values given here: Parameter

Default value

CO_L

5.700 E+1

CO_R

4.100 E+1

CO_F

4.300 E–1

STP_L

2.500 E–1

STP_R

1.250 E–1

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SENOGRAPHE DMR+ Purpose:

Job Card IST 031

TEST FOR ABSENCE OF GRID LINES ON EXPOSED FILM

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES D

Film and cassette of the type and size(s) used by the customer on the Senographe DMR being installed (18 x 24 mm, plus 24 x 30 mm if this option is chosen by the customer)

D

Plexiglass in thickness increments of 0.5 cm (minimum plexiglass dimensions 20 x 20 cm to insure complete covering of the photo cell)

SECTION 3 SAFETY PRECAUTIONS

CAUTION

This procedure produces X–rays. Be sure to take appropriate precautions.

CAUTION

Current Buckys (18 x 24 p/n 2231024–3 and 24 x 30 p/n 2231025–2) are focussed for SID = 650. Use of SID = 560 is not recommended.

SECTION 4 PREREQUISITES D

Job Card IST 026 ”CALIBRATION OF GRID POSITION”

D

Complete AEC calibration for the screen pair to be used in this test (see Installation Steering in chapter 1).

SECTION 5 TEST FOR ABSENCE OF GRID LINES ON EXPOSED FILM The objective is to test for correct grid movement by taking exposures and examining the developed films for grid lines . Generalities on gridlines observation: This procedure describes the optimum conditions for carrying out and analyzing grid line test exposures. It is important to emphasize, however, that detection of the grid line effect is still a SUBJECTIVE test. In particular, the following considerations must be remembered:

• It is possible to obtain a good test exposure even on a poorly–calibrated DMR unit. A tiny variation in speed or exposure time can produce a big variation in the grid lines visibility. Several exposures, even several patient exams may be required to confirm that the grid line problem in a system has been significantly reduced after any change in the system .

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JOB CARDS

SECTION 2 TOOLS

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TEST FOR ABSENCE OF GRID LINES ON EXPOSED FILM

Job Card IST 031

2 of 4

• Different people, whether customers or Service Engineers, have very different visual perceptions of grid lines. • When the fault is not very pronounced, it is usually not present over the entire film, but only in certain areas (at the edge of the film, as follows):

• The following display conditions are essential for grid line observation: JOB CARDS

• Viewer light intensity must be high and uniform, • Use of masks around the image to be observed is recommended, • A magnifying glass sometimes helps to detect the fault, • The fault shows up better when the optical density of the film is not too high (OD net < 1.2). 5.1

5.2

General instructions to be observed during all procedures in this Job Card 5.1.1

The photo cell must be in its most forward position (towards the patient) throughout the procedures in this Job Card.

5.1.2

When placing Plexiglass on the cassette holder, the Plexiglass must always overlap the front edge (towards the patient) by about 1 cm to insure that the photo cell is fully covered.

Perform the test for absence of grid lines on exposed film. 5.2.1

Set up the Senographe DMR in contact mode with the 18 x 24 mm bucky, grid and compression paddle installed.

5.2.2

Place 1 cm of plexiglass on the bucky.

5.2.3

Set up the following exposure: – Mode: See table 1 – Screen Pair: Choose the screen pair name that corresponds to the film and cassette being used for the test – Focal spot: See table – Track: See table – Filter: See table – 25 kV (initial value) – Format: maximum aperture of collimator

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TEST FOR ABSENCE OF GRID LINES ON EXPOSED FILM

Job Card IST 031

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– Focal distance (SID): 660 mm, or SID commonly used by customer, – Cranio–caudal projection (examination arm in vertical position) or, where appropriate, the projection at which the customer most often sees the grid. 5.2.4

Enable visual display of parameter values when in application mode. See ”Visual Display of Parameter Values” in chapter 1.

5.2.5

Load the cassette with a fresh undeveloped film that corresponds to the screen pair being used for the test and install it in the bucky.

5.2.6

Take exposure N°1 as described in Table 1.

TABLE 1 GRID LINE TEST EXPOSURES

Mode

Track Filter

Plexiglass KV mAs thickness (mm)

1 2 3 4

AEC AOP–CNT AOP–CNT AOP–CNT

MO

15 15 25 35

5.2.7

MO

Exposure time (ms)

Comments

25

Note the exposure time as displayed on the console display. If it is within the range 0.200 to 0.300 S, develop the film and proceed directly to step 5.2.10. If it is above (below) this range, increase (decrease) the HV by 1 kV and repeat the exposure using the same undeveloped film in the cassette. Continue increasing or decreasing the HV by 1 kV until a satisfactory exposure time is reached, then proceed to the next step.

Note:

For an unusually slow film (i.e. if the exposure time is still greater than 300 mS at 30 kV), remove the Plexiglass from the bucky and continue the search for a satisfactory exposure time.

Note:

For an unusually fast film (i.e. if the exposure time is still less than 200 mS at 22 kV), increase the amount of Plexiglass on the bucky to 2 cm and continue the search for a satisfactory exposure time. 5.2.8

Re–load the cassette with a fresh undeveloped film that corresponds to the screen pair being used for the test and install it in the cassette holder.

5.2.9

Keeping the same HV value as determined above, take an exposure and develop the film.

5.2.10 Perform test exposures N°2 and develop film 5.2.11 Perform test exposures N°3 and develop film 5.2.12 Perform test exposures N°4 and develop film .

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JOB CARDS

N°

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TEST FOR ABSENCE OF GRID LINES ON EXPOSED FILM

Job Card IST 031

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5.2.13 If the Senographe DMR being installed is equipped with the 24 x 30 mm bucky/grid option, perform an exposure in the conditions of Exposure N°4 (step 5.2.12) using 24X30 option. 5.2.14 Study the developed films on a light screen with the jeweler’s loop. Verify that there are no signs of grid lines anywhere on the exposed area of the film. Visible grid lines indicate a problem in the grid drive train or defective offsets and gain settings. If there are visible grid lines, proceed to steps 5.2.15 to 5.2.16. 5.2.15 Re–calibrate gain and offset following the bucky trouble shooting Job Card.

JOB CARDS

5.2.16 Check also there are any sticky or rough points by moving the grid by hand back and forth across its full range of movement. 5.2.17 If you are turning the machine back over to the user at this point, switch the Senographe DMR off, then back on again.

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SENOGRAPHE DMR+ Purpose:

Job Card IST 032

REMOVAL AND REPLACEMENT OF SIDE COVERS AND PANELS

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None

D

Metric Allen wrenches

D

Large flat screwdriver

JOB CARDS

SECTION 2 TOOLS

SECTION 3 SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES None SECTION 5 REMOVAL AND REPLACEMENT OF SIDE COVERS AND TRIM PANELS This section is divided into two subsections, one for removal and replacement of generator side covers and trim panels, and one for removal and replacement of gantry side covers and trim panels. 5.1

Remove/replace generator side covers and trim panels (see illustration 1). 5.1.1

Remove all power from the Senographe DMR by turning off the wall–mounted circuit breaker.

5.1.2

Remove the four plastic plugs from screws of generator top panel.

5.1.3

Use an Allen wrench to remove the four generator top panel retaining screws (5).

5.1.4

Remove generator top panel by lifting upwards.

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REMOVAL AND REPLACEMENT OF SIDE COVERS AND PANELS

5.1.5

Job Card IST 032

2 of 4

For EACH of the four generator side panels: 1. Slightly lift the panel upwards and towards yourself. 2. Disconnect the ground wire FROM THE GENERATOR END to avoid RISK OF CREATING SHORT CIRCUITS.

5.1.6

Remove/replace gantry side covers and trim panels (see illustration 1).

JOB CARDS

5.2

Perform the procedure in reverse order for replacement. BE SURE TO RE–CONNECT THE GROUND WIRE ON EACH OF THE FOUR SIDE PANELS.

Note:

5.2.1

Turn off the Senographe DMR.

5.2.2

Use the screwdriver to remove screw (1).

5.2.3

Remove plastic plugs and screws (2) and (3) from each column half–cover.

5.2.4

Do not touch screws (4). Undo hex bolt (6) by 2 or 3 turns (accessible through a slot at rear of the base). (this method keeps alignment of covers with safety stop switches).

5.2.5

Slide complete half–cover towards you to remove it.

5.2.6

Perform the procedure in reverse order for replacement. BE CAREFUL NOT TO PINCH OR DAMAGE CABLES. It is possible to remove only one column half–cover.

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Job Card IST 032

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2

5 3

CPU AND OTHER BOARDS ACCESSIBLE FROM THIS SIDE

1

4

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6

JOB CARDS

ILLUSTRATION 1 SCREW LOCATIONS FOR REMOVING/REPLACING SIDE COVERS AND TRIM PANELS

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REMOVAL AND REPLACEMENT OF SIDE COVERS AND PANELS

Job Card IST 032

JOB CARDS

Blank page

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SENOGRAPHE DMR+ Purpose:

Job Card IST 033

PRELIMINARY GENERATOR AND GANTRY TESTING

Time: x h xx min

1 of 6

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None

D

Digital mAs meter (GSPONER type) able to display tube current

D

Compression measurement tool: GAMMEX RMI model 817 or Mammo compression scale # 46–194427P407 (digital display)

D

Plexiglass in thickness increments of 0.5 cm

SECTION 3 SAFETY PRECAUTIONS

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES None

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JOB CARDS

SECTION 2 TOOLS

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PRELIMINARY GENERATOR AND GANTRY TESTING

Job Card IST 033

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SECTION 5 GENERATOR TESTING The objective is to check quickly the generator kV, mA and mAs calibrations, which have already been done in the factory. At the same time, these procedures will warm up the X–ray tube slightly in preparation for the AEC calibration. 5.1

Set up generator for testing. 5.1.1

Configure the Senographe DMR for the following exposure: Mode manual (2–point) Focal spot: large Track: Mo

JOB CARDS

Filter: Mo mAs: 60

(lower mAs value may give inaccurate measurements)

HV: 22 kV 4 cm of plexiglass in the X–Ray field for protecting the photocell. 5.1.2

Activate display of parameters following an exposure by selecting SETUP/GENE/INSTAL/ GENE/CONFIG/DISP/YES on the console (see chapter 1 section 1–5–2). Return to application mode.

5.1.3

Connect the digital mAs meter to kV mA board 701–PL1 (on HV tank unit 701) between terminals MES_MA_POS and MES_MA_NEG. Disconnect the jumper that is normally between these same two terminals.

5.1.4

Set the mAs meter to current (mA) measurement.

5.1.5

Take 5 exposures at approximately 20 second intervals, incrementing the HV by 2 kV each time (i.e. 22 – 24 – 26 – 28 – 30 kV).

5.1.6

Take 5 more exposures at the same interval, leaving the HV set at 30 kV.

5.1.7

The X–ray tube current value displayed on the console (Idisplay) must be 100 mA ± 5 mA AND in agreement with the value read on the mAs meter (Imeasure) ± 5% (this value is available both for GS412 and Maxiray 70TH–F tubes). IF Idisplay ≠ Imeasure then perform Job Card IST 016 ”CALIBRATION OF X–RAY TUBE MA MEASUREMENT” followed by Job Card IST 003 ”CALIBRATION OF X–RAY TUBE HEATER CURRENT”.

5.1.8

Take 2 exposures at 40 kV and 50 mAs at an interval of 30 seconds. No arcing should be detected. If arcing is detected, perform IST 020 ”AUTOMATIC X–RAY TUBE WARM–UP”.

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PRELIMINARY GENERATOR AND GANTRY TESTING

5.1.9

Job Card IST 033

3 of 6

Re–configure the Senographe DMR to 30 kV and 60 mAs. Take one exposure for each of the three following focal spot/track combinations and verify the expected X–ray tube current reading on the console display: The values below apply for tube Maxiray 70TH–F SMALL FOCAL SPOT/MO TRACK => I = 40 mA ± 2 mA SMALL FOCAL SPOT/RH TRACK => I = 35 mA ± 2 mA LARGE FOCAL SPOT/RH TRACK => I = 62 mA ± 4 mA The values below apply for tube GS412 SMALL FOCAL SPOT/MO TRACK => I = 40 mA ± 2 mA LARGE FOCAL SPOT/RH TRACK => I = 75 mA ± 4 mA

5.1.10 Disconnect the mAs meter from the Senographe DMR and re–connect the jumper on kV mA board 701–PL1. 5.1.11 Verify kVp using a non–invasive kVp meter, and if needed, recalibrate kVp with IST 017 (this step may be necessary, due to local regulation) SECTION 6 GANTRY TESTING The objective is to check quickly the basic functions of the gantry. Note that the following functions are tested by the software during each power–up sequence: D

Filter holder rotation

D

Lateral, front and rear collimator blade movement

D

X–ray tube housing movement

D

Compression paddle movement to home position

D

Column movement limit stops

D

Coherency between focal spot size, magnification and X–ray tube housing angulation

D

Grid movement

D

Generator–gantry communications link

D

Gantry CPU board

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JOB CARDS

SMALL FOCAL SPOT/RH TRACK => I = 40 mA ± 2 mA

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PRELIMINARY GENERATOR AND GANTRY TESTING

6.1

Job Card IST 033

4 of 6

Check gantry readout. Immediately following the power–up sequence, the gantry readout should indicate the X–ray format and magnification factor only; the breast thickness and compression force readouts should be disabled. In fact the gantry readout displays the size of the actual X–Ray field taking into account the margins set up.

Note:

JOB CARDS

6.2

6.3

6.4

X–Ray format readout displays the actual X–ray field depending on margins settings configured in steering guide section 14.v.

Check column movement. 6.2.1

With the compression paddle out of compression, check that all five column up/down control buttons are operational (check each button for up and down movement of column).

6.2.2

Move column to its upper and lower limits. Optical sensors should stop movement. If optical sensors have failed, mechanical safety stops halt movement. Total one–way movement time (going either up or down) between upper and lower limits should be 16 ± 2 seconds. This time includes initial acceleration which lasts 3 seconds.

Check arm rotation. 6.3.1

With the compression paddle out of compression, check that all four arm rotation control buttons are operational (check each button for release and re–locking of arm rotation).

6.3.2

Rotate arm through its full range of ± 180°. Check that electro–brake is sufficient by manual action on the handles.

Check light centering device. 6.4.1

6.5

Press one of the light centering device activation buttons. The light centering device should light for 30 seconds for large formats (eg: 18x24, 24x30). The light centering device should light for 120 seconds for medium and small formats.

Check format control. Check that each of the two format control pushbuttons, when pressed repeatedly, result in the sequence: 1) light centering device lights; 2) first format reduction; 3) second format reduction; 4) full format.

6.6

Check magnification sensors. 6.6.1

Set SID to 660 mm.

6.6.2

With magnification device removed, the gantry readout should show a magnification of 1.0.

6.6.3

Install the magnification device into the lower, middle and upper holes successively. The gantry readout should show a magnification of 1.5, 1.8 and 1.9, respectively.

6.6.4

Leaving the magnification device in the upper holes, change the SID to 610, 560 and 510 mm successively. The gantry readout should show a magnification of 1.7, 1.6 and 1.5, respectively.

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PRELIMINARY GENERATOR AND GANTRY TESTING

6.8

Check tube housing arm detents. 6.7.1

With Stereotix 2 NOT installed, activate the tube housing arm locking lever and rotate the tube housing arm to its ± 15° and ± 27° detents. When tube housing arm is locked in each of these four positions, the error message ”Incorrect X_Ray Incidence” should appear on the console display.

6.7.2

Rotate the tube housing arm so that it is ”floating” between detents. After five seconds, the error message ”Tube Housing Arm Unlocked” should appear on the console display and ”Arm Unlocked” should appear on the gantry readout.

Check paddle compression. 6.8.1

Verify that both sets of compression/decompression pedals and the manual compression knobs located on the paddle holder all function correctly (i.e. the paddle goes up and down in response to each command).

6.8.2

Use the mammo compression scale placed between the cassette holder and the compression paddle to check calibration of the compression force display on the gantry readout. Measure one point at 5 daN and one point at 15 daN. The value on the gantry readout must agree within ± 1 daN. If it does not, perform IST 023 ”CALIBRATION OF COMPRESSION FORCE DETECTOR”.

Note:

6.9

5 of 6

If the recommended compression measurement tool is not available, this verification can be done by setting SID to 660 mm, lowering the paddle close to the top surface of the cassette holder, installing the magnification device in the upper pair of holes, and connecting a spring dynamometer (calibrated from 0 to 15 kg) between the compression paddle and the magnification device.

Check breast thickness measurement. 6.9.1

Set SID to 660 mm, install the 18x24 bucky and place 10 mm of plexiglass in the center of the bucky.

6.9.2

Lower the compression paddle into contact with the plexiglass.

6.9.3

Slowly increase compression force on the plexiglass while watching the breast thickness display on the gantry readout. The displayed value should remain in the range 10 mm ± 3 mm for any value of compression force (as displayed on the gantry readout) between 5 and 15 kg.

6.9.4

Replace 10 mm of plexiglass with 50 mm of plexiglass and repeat the above check. Now the displayed value should remain in the range 50 mm ± 3 mm for any value of compression force (as displayed on the gantry readout) between 5 and 15 kg.

6.9.5

If either or both of the above checks does not give a satisfactory result, perform Job Card IST 025 ”CALIBRATION OF BREAST THICKNESS MEASUREMENT”.

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JOB CARDS

6.7

Job Card IST 033

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PRELIMINARY GENERATOR AND GANTRY TESTING

Job Card IST 033

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6.10 Check Angle Sensor. 6.10.1 Rotate compression arm to the stop, counterclockwise and reverse. The display should be –178 degrees then +178 degrees, with no error code. 6.10.2 Adjust compression arm to zero. The display should be 0 degree +/– 2 degrees (mechanical accuracy). 6.11 Check cassette size sensor. With the bucky removed, activate the light centering device, then install the 24x30 bucky. The format size should increase, as indicated by the size of the field illuminated by the light centering device.

JOB CARDS

6.12 Check grid presence sensor. 6.12.1 With the bucky installed, press the 1st trigger button on the console. There should be grid movement. 6.13 Check emergency stop buttons. Pressing either of the emergency stop buttons (located on either side of the gantry column base) should result in a complete power–down of both the generator and gantry.

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SENOGRAPHE DMR+ Purpose:

Job Card IST 034

CHECKING SAFE–LIGHTING AND FILM PROCESSING

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES D

Supply of undeveloped film of type used by the customer

D

Sensitometer

D

Densitometer

D

Opaque sheet

JOB CARDS

SECTION 2 TOOLS

SECTION 3 SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES None SECTION 5 CHECKING FILM PROCESSING The objective is to check the light–tightness of the darkroom, the influence of the safelighting and correct operation of the automatic film processor. 5.1

Check darkroom light–tightness and influence of safe–lighting. 5.1.1

Enter the darkroom and load a cassette with the film currently used for clinical purposes, taking care to protect it from possible fogging from the darkroom safe light or leakage.

Note 1 :

The emulsion side of the film must be positioned facing the screen side of the cassette (away from the tube)

Note 2 :

For Kodak Ortho–MA film, the emultion side is underneath when the notch is top left.

5.1.2

In 2–point mode, (HV: 28 kV, mAs=70, 4 cm of plexiglas) expose the cassette to the x–rays in such a way as to obtain a film with an optical density of between 0.8 and 1.4 (change mAs as necessary and repeat exposure with a fresh film).

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5.1.3

Reload the cassette and make an exposure using the same factors; do not develop the film.

5.1.4

Unload the cassette in the darkroom and place the film on the work surface, emulsion side upwards and completely covered by an opaque sheet.

Note:

JOB CARDS

Job Card IST 034

for KODAK ORTHO–MA films, the emulsion side is uppermost when the notch is top right. 5.1.5

Prepare the second opaque sheet on the work surface, on the left.

5.1.6

Move the opaque sheet covering the film to the right, uncovering half the film (see illustration 2) and simultaneously activate the timer.

5.1.7

If this is the first maintenance inspection (reference test) proceed to the next step (5.1.8). If this is a periodic maintenance check, go to step (5.1.11).

5.1.8

After 15 seconds, cover about a quarter of the bottom lefthand part of the film with the second opaque sheet (see illustration 2, 1st area).

5.1.9

After 30 seconds, move the second opaque sheet upwards in such a way as to cover about half of the lefthand part of the film (2nd area).

5.1.10 After one minute, move the second opaque sheet upwards to cover about three quarters of the lefthand part of the film (3rd area). 5.1.11 After 2 minutes, cover the film completely with the first opaque sheet. Note 1 :

if the film is to be handled in the darkroom for long periods (more than one minute), it should be tested in 5 positions and left for 2 extra minutes in the last position.

Note 2 :

if this is a periodic maintenance check, one exposure of the film (of 2 to 4 minutes according to requirements) will be sufficient.

5.1.12 Develop the film, protecting it with the opaque sheet until it is inserted in the automatic processor. 5.1.13 Write the following data on the developed film : – date and time – place 5.1.14 Look for the first area on the film in which the frame line is visible (see illustration 2) and note down the time corresponding to the area concerned on the film. 5.1.15 Interpreting the results The time obtained, corresponding to the first visible area, should not be less than 2 minutes. Note:

the ”laboratory safety time”, defined as half the period of time corresponding to the first visible area, should also be at least one minute.

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CHECKING SAFE–LIGHTING AND FILM PROCESSING

Job Card IST 034

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5.1.16 Decisions 1. If the time corresponding to the first visible area is greater than 2 minutes, go on to the next procedure. 2. If the time is less than 2 minutes, check that: – the safelighting complies with requirements – there us no visible light leak (door, ceiling, floor, pipe ducts, etc.) Inform the user of these problems and take the necessary steps to obtain correct results in subsequent tests. 3. If the time is less than 1 minute, priority must be given to solving the problem to enable the tests to continue.

2 minutes

4th area

1 minute

3rd area

30 seconds

2nd area

15 seconds

1st area

JOB CARDS

ILLUSTRATION 2

Frame line 5.1.17 Use the densitometer to measure the relative optical density on both parts of the film. CRITERION 1: Any difference between the relative optical densities measured must be less than 0.1. CRITERION 2: Neither optical density measured must exceed 0.2 (except for certain fast films).

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Job Card IST 034

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5.1.18 If either or both of the above two criteria are not met: 1. Check the light–tightness of the darkroom by repeating sections 5.1.1 to 5.1.17 with the safelight turned OFF. 2. Check the safelight itself. 5.2

Check automatic film processor. 5.2.1

JOB CARDS

Note:

Perform a sensitometry test on the type of film being used by the customer. Be sure that the sensitometer is in the green position.

5.2.2

Develop the film.

5.2.3

Calibrate the densitometer to zero on step 1 on the sensitometric strip.

5.2.4

Use the densitometer to find the first step whose relative optical density is greater than or equal to 1. Let N be the step found and D(N) its relative optical density.

5.2.5

Measure the relative optical density for step (N+2). Let this measured value be D(N+2).

5.2.6

Calculate the film gamma: Gamma =

D(N+2) – D(N) 0.3 CRITERION: Check that the gamma calculated corresponds to that given by the film manufacturer within a tolerance of ± 0.35 (e.g. gamma ≈ 3.2 for Kodak Ortho–Ma film). Example: suppose D(N) = 1.12 and D(N+2) = 2.29: then Gamma = 2.29 – 1.12 0.3

Note:

A gamma value less that 3.0 cannot produce a good image quality in mammography. 5.2.7

If the above criterion is not met, check the automatic film processor (temperature, cleanliness, change in chemicals, etc.).

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SENOGRAPHE DMR+ Purpose:

Job Card IST 035

REPLACEMENT OF CENTERING DEVICE LAMP

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES D

New centering device lamp (only genuine part number 2188568 must be used, to ensure correct light intensity, easy filament centering and reliability).

SECTION 2 TOOLS Standard screwdrivers, open–end wrenches, etc.

D

Ruler calibrated in mm

JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES None SECTION 5 REPLACEMENT OF CENTERING DEVICE LAMP The objective is to replace the centering device lamp and set it to the correct vertical height. 5.1

Remove old lamp. 5.1.1

Turn the Senographe DMR off.

5.1.2

Remove the two half–covers from the gantry head.

5.1.3

Remove the anti–scatter box (2 parts); first remove the side part then loosen slightly the attachment screw (at center underside) of the box and remove the anti–scatter box by pulling it gently forward.

5.1.4

Remove collimator assembly retaining pins by first removing the 2 cotter pins from one end of each retaining pin. Pivot the collimator assembly downwards.

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5.1.5

5.2

Wait for the lamp to cool down before removing.

Remove the old lamp by pulling firmly but gently downwards.

Install and position new lamp.

Note:

JOB CARDS

2 of 4

Loosen slightly the two attachment screws on the light box and remove the light box by pulling it gently forward.

CAUTION 5.1.6

Job Card IST 035

When handling the new lamp, be sure not to touch the glass surface with your fingers. Always use a clean dry cloth or paper handkerchief. 5.2.1

Note:

Insert the leads of the new lamp into its socket SLOWLY, and PUSH THEM IN ALL THE WAY. The distance of 30 mm between filament center and pin end is guaranteed by the lamp manufacturer, see Illustration 1.

5.2.2

Re–install the light box without tighten its attachment screews.

CAUTION

The light box is for protection in case any explosion of the new lamp being installed occurs.

5.2.3

Turn on the Senographe DMR and verify that the new lamp lights when activated, then turn the Senographe DMR off again.

5.2.4

Tighten the two attachment screws of the light box..

5.2.5

Check that the CENTER of the filament is aligned with the CENTER of the small slot in the light box when your eye is at the level of the small slot (see illustration 1). If not, start 5.2 again.

5.2.6

Pivot the collimator assembly back up and re–install its retaining pins and cotter pins.

5.2.7

Proceed directly to Job Card IST 036 ”CENTERING DEVICE LAMP ADJUSTMENT”, leaving anti–scatter box and gantry head half–covers removed.

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VISUAL INSPECTION: CHECK THAT CENTER OF FILAMENT IS ALIGNED WITH CENTER OF LIGHT BOX SLOT.

30 ± 0.5 mm

LIGHT BOX

FILAMENT

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ILLUSTRATION 1 CORRECT LAMP FILAMENT HEIGHT

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JOB CARDS

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Job Card IST 036

ADJUSTMENT OF CENTERING DEVICE LAMP

Time: x h xx min

1 of 10

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES D

”Ready Pack” or ”cardboard cassette” films (24 x 30 format)

SECTION 2 TOOLS Standard screwdrivers, open–end wrenches, etc.

D

Ruler calibrated in mm

JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS

CAUTION

This procedure produces X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES D

Job Card IST 035 ”REPLACEMENT OF CENTERING DEVICE LAMP” (protection box and gantry head half–covers are still removed)

SECTION 5 ADJUSTMENT OF CENTERING DEVICE LAMP The objective is to adjust the position of the centering device lamp (in all three dimensions, if necessary) so that the lit field coincides, within acceptable tolerances, with the exposed X–ray field. This is done by first exposing a film and then illuminating it on the image receptor support to check the coincidence of the lit field with the exposed area on the X–ray film. The following properties of this coincidence are measured and adjusted, if necessary, in the following order: Lateral centering Field width coincidence Field depth coincidence Field front light alignment Note:

Field width, depth and front can be fine–tuned using procedure detailed in IST 028.

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5.1

Job Card IST 036

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Prepare the Senographe DMR for the exposure. 5.1.1

Set up the Senographe DMR in the following configuration: – No compression paddle – Bucky 18 x 24 installed (mandatory). – SID = 560 mm

JOB CARDS

5.1.2

Reset light alignment and light coverage values to zero. Starting from application mode, select: SETUP/ARM/VALID/INSTAL/CALIB/FORMAT/CALIB/LIGHT/ALIGN Use + & – keys or rotate console kV button to return the displayed ”ALIGN” value to zero. Select SETUP/COVERAGE Use + & – keys or rotate console kV button to return the displayed ”COVERAGE” value to zero.

5.1.3

Take a new cardboard cassette or Ready Pack and insert three thumb tacks through it, FROM THE SIDE THAT WILL FACE THE X–RAY TUBE, in the following way: – Two thumb tacks inserted along the (long) edge of the film that will be at the front edge of the image receptor support, at approximately 2 cm in from this edge and approximately 4 cm inwards from the two shorter edges – The third thumb tack along the (short) edge of the film that will be on the left side of the image receptor support, approximately 2 cm in from this edge and approximately 12 cm from the rear edge of the film. Refer to illustration 1 below.

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ILLUSTRATION 1 PLACEMENT OF THREE THUMB TACKS TO BE INSERTED IN THE READY PACK

READY PACK

APPROX 12 CM

JOB CARDS

TUBE SIDE APPROX 2 CM

APPROX 4 CM

APPROX 4 CM

APPROX 2 CM

APPROX 2 CM

Note:

It is NOT important to insert the three thumb tacks in a perfectly ”squared” alignment with the edges of the Ready Pack. 5.1.4

Place the Ready Pack on the image receptor support so that the points of the two ”front” thumb tacks butt perfectly up against the front edge of the image receptor support and the third thumb tack butts perfectly up against the left edge of the image receptor support. THE POSITIONING OF THE THREE THUMB TACKS AGAINST THE IMAGE RECEPTOR SUPPORT IS VERY IMPORTANT TO THE SUCCESS OF THESE CHECKS.

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5.2

Job Card IST 036

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Take the exposure. 5.2.1

Using normal application mode, set up a manual (2–point) exposure as follows: – 18 x 24 format (collimator blades fully open) – Mo track – Mo filter – Large focal spot – 25 kV

JOB CARDS

– 50 mAs

5.3

5.2.2

Take the exposure.

5.2.3

Remove the thumb tacks and develop the film.

Check and adjust, if necessary, lateral centering.

Note:

It is advisable to turn off all room lighting before proceeding to the following steps. 5.3.1

Replace the three thumb tacks in the holes in the developed film.

5.3.2

Place the developed film back onto the image receptor support, with the same orientation as during the exposure. Carefully align the thumb tacks against the edges of the image receptor support, exactly as during the exposure.

5.3.3

Keeping the same format size as during the exposure, turn on the light centering device lamp.

5.3.4

Study the relationship between the lit zone from the light centering device and the darkened area on the film.

5.3.5

Determine if the two areas are centered laterally (illustration 4 shows correct lateral centering).

Note:

The lit zone may be wider or narrower than the darkened area on the film at this point. Illustration 4 shows the lit zone wider than the darkened area on the film. 5.3.6

5.4

If the two areas are not centered laterally, turn adjustment screw 1 (see illustration 3) until the lit zone is centered laterally with the darkened area on the film.

Check and adjust, if necessary, field width coincidence. 5.4.1

Keep the film aligned on the image receptor support as above.

5.4.2

If the lit zone is wider (narrower) than the darkened area on the film, reduce (increase) the width of the lit zone by turning knurled nut 2 in the positive (negative) direction (see illustration 3). Illustration 5 shows correct field width coincidence.

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Check and adjust, if necessary, field depth coincidence.

Note: D

5.5.1

Keep the film aligned on the image receptor support as above.

5.5.2

If the rear edge of the lit zone is not aligned with the rear edge of the darkened area on the film, turn adjustment screw 3 (see illustration 3) until alignment is achieved. Illustration 6 shows correct field depth coincidence.

The only mecanical adjustment for alignment of the front edge of the let zone is by adjusting the mirror. Adjust the angle of the mirror with the angle adjustment screw (see illustration 2 ) in order to align the front blade with the darkered area on the film.

CAUTION

Tilt the mirror slightly otherwise a major adjustement may distort the light field.

ILLUSTRATION 2 TUBE HOUSING ARM WITH MIRROR INSTALLATION DETAIL

MIRROR FRAME TUBE HOUSING ARM

MIRROR MOUNTING SCREWS AND LOCKNUTS MIRROR ANGLE ADJUSTMENT SCREW AND SPRING

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JOB CARDS

5.5

Job Card IST 036

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Job Card IST 036

5.5.3

Re–install protection box and tighten its attachment screw.

5.5.4

Re–install the two half–covers from the gantry head.

5.5.5

Perform (or return) to job card IST 028.

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ILLUSTRATION 3 CENTERING DEVICE LAMP POSITION ADJUSTMENTS (INCREASE LATERAL WIDTH)

2 JOB CARDS

ÊÊÊ ÊÊÊ ÊÊÊ +

1 (LATERAL CENTERING ADJUSTMENT)

3 (REAR BLADE ADJUSTMENT)

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ILLUSTRATION 4 CORRECT LATERAL ALIGNMENT OF ZONE LIT BY LIGHT CENTERING DEVICE WITH EXPOSED AREA OF X–RAY FILM IMAGE RECEPTOR SUPPORT

ZONE LIT BY LIGHT CENTERING DEVICE

JOB CARDS

DEVELOPED READY PACK FILM

LATERAL CENTERING IS ACHIEVED WHEN THESE TWO DISTANCES ARE EQUAL

EXPOSED AREA OF FILM

THUMB TACK HOLES IN FILM INDICATING ALIGNMENT WITH IMAGE RECEPTOR SUPPORT

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ILLUSTRATION 5 WIDTH COINCIDENCE BETWEEN ZONE LIT BY LIGHT CENTERING DEVICE AND EXPOSED AREA OF X–RAY FILM IMAGE RECEPTOR SUPPORT

ZONE LIT BY LIGHT CENTERING DEVICE

JOB CARDS

DEVELOPED READY PACK FILM

EXPOSED AREA OF FILM

THUMB TACK HOLES IN FILM INDICATING ALIGNMENT WITH IMAGE RECEPTOR SUPPORT

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ILLUSTRATION 6 DEPTH COINCIDENCE BETWEEN ZONE LIT BY LIGHT CENTERING DEVICE AND EXPOSED AREA OF X–RAY FILM IMAGE RECEPTOR SUPPORT

ZONE LIT BY LIGHT CENTERING DEVICE

JOB CARDS

DEVELOPED READY PACK FILM

DEPTH COINCIDENCE IS ACHIEVED WHEN REAR EDGE OF LIT AREA IS ALIGNED WITH REAR EDGE OF DARKENED AREA ON FILM

EXPOSED AREA OF FILM

THUMB TACK HOLES IN FILM INDICATING ALIGNMENT WITH IMAGE RECEPTOR SUPPORT

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JOB CARDS

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Job Card IST 037

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Version No.:

JUMPERS AND SWITCHES

Date: Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS

JOB CARDS

None SECTION 3 SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES None SECTION 5 JUMPERS AND SWITCHES The objective is to verify the position of jumpers and switches. Jumpers and switches are divided into three groups: generator, gantry and console. 5.1

Generator jumpers and switches. 5.1.1

Check (visually, do not remove it!) that the jumper on generator CPU board 400PL3 is installed in position X2. See illustration 2.

CAUTION

5.1.2

Note:

This jumper must NEVER be removed from position X2 and must NEVER be placed in position TP1. If you find this jumper either removed or placed in position TP1, the generator CPU RAMs are totally erased, necessitating a TOTAL RE–CALIBRATION of the generator and AEC.

Check that the jumpers JP1 and JP2 are installed on generator command board 400PL1 (they must NOT be in parking position JP3 and JP4 at this point). See illustration 1. JP1 and JP2 are in relation with room relays on 200PL4. See Job card IST042 “Room lights wiring” for details.

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Job Card IST 037

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JOB CARDS

ILLUSTRATION 1

5.2

Gantry jumpers and switches. 5.2.1

Check (visually, do not remove it!) that the jumper on gantry CPU board 800PL3 is installed in position X2. See illustration 2. This jumper must NEVER be removed from position X2 and must NEVER be placed in position TP1. If you find this jumper either removed or placed in position TP1, the gantry CPU RAMs are totally erased, necessitating a TOTAL RE–CALIBRATION of the gantry.

CAUTION

ILLUSTRATION 2 POSITION OF JUMPER ON GENERATOR CPU BOARD 400–PL3 AND GANTRY CPU BOARD 800–PL3

GENE CPU BOARD 400–PL3 or GANTRY CPU BOARD 800–PL3

!

B46 B41 X2

P1

BT1

P2

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5.2.2

Job Card IST 037

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Check that the jumper JP1 is installed on gantry photocell board 800PL4. See Illustration 3

JOB CARDS

ILLUSTRATION 3 PHOTOCELL BOARD JUMPER LOCATION

5.2.3

Check that the jumpers on the Gantry board 800PL1 are correctly set for the bucky motor type. There are two different sets of jumper and switch settings for Gantry board 800PL1 depending on board‘s reference number. If your 800PL1 board has the ref. 2102082–8, then apply the jumper and switch settings given in the illustration 4. If your 800PL1 board has the ref. 2102082–9 or 5190800, then apply the jumper and switch settings given in the illustration 5 and illustration 6.

ILLUSTRATION 4 POSITION OF JUMPER ON GANTRY POWER BOARD 800–PL1 REF. NO. 2102082–8

Jumper

Present?

TP104

NO

TP105

YES

TP106

NO

TP107

YES

TP102

YES

TP103

NO

TP104 TP105 TP106 TP107 TP102 TP103

XJ21

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ILLUSTRATION 5 POSITION OF JUMPERS CC3 TO CC6 ON GANTRY POWER BOARD 800–PL1 REF. NO. 2102082–9 OR 5190800

Present?

Position

CC3

YES

BUCKY OLD

CC4, CC5 and CC6

all YES

BUCKY NEW

JOB CARDS

Jumper

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Jumper

Present?

J1 and J2

NO

J3 and J4

NO

J5 and J6

NO

J7 and J8

DON‘T CARE

J9 and J10

YES

JOB CARDS

ILLUSTRATION 6 POSITION OF JUMPERS CC3 TO CC6 ON GANTRY POWER BOARD 800–PL1 REF. NO. 2102082–9 OR 5190800

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JOB CARDS

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REGULATORY AND SAFETY LABELLING

1 of 6

Version No.: Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS

SECTION 3 SAFETY PRECAUTIONS

CAUTION

The attachment of appropriate regulatory and safety labelling to the equipment is a LEGAL REQUIREMENT for operation of an X–ray producing unit.

SECTION 4 PREREQUISITES None

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None

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Job Card IST 038

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SECTION 5 REGULATORY PRODUCT IDENTIFICATION LABELLING ON GANTRY AND GENERATOR The objective is to attach regulatory product identification labelling in the local national language to the gantry and generator of the Senographe DMR. This is done by affixing specific national language labelling over the existing labelling in English. Note:

If the national language is English, skip this section and proceed to the next section. To attach product identification labelling in the local national language to the gantry and generator of the Senographe DMR, proceed as follows:

JOB CARDS

1. Locate the three small plastic bags containing labelling in different languages inside the emergency maintenance kit. 2. From each of the three plastic bags, select the label in the local national language. Two of the labels are identical to each other and smaller than the third label. 3. Locate the product identification label at the bottom of the gantry column and affix one of the smaller national language labels over the corresponding English text. 4. Locate the two product identification labels at the bottom of the generator cabinet. 5. Affix the remaining smaller national language label over the corresponding English text. 6. Affix the larger national language label over the corresponding English text.

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SECTION 6 SAFETY LABELLING The objective is to select and attach appropriate safety labels to the Senographe DMR, according to local safety regulations concerning the use of X–ray producing equipment. This Job Card applies on: Control Console CDRH P/N 2235013

D

Control Console 2001 P/N 2235013–2

Locate the envelope (which is taped underneath the console) containing the 3 possible safety labels and select the one that corresponds to local regulations (see illustration 1 below).

ILLUSTRATION 1 SAFETY LABELS

CEI (EUROPE) & ASIA

REDAC (CANADA)

CDRH (USA)

Note:

The CDRH (USA) safety label is already affixed on the console.

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JOB CARDS

6.1

D

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6.2

Job Card IST 038

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Peel off the self–adhesive backing from the selected safety label, and stick the label over the CDRH (USA) label in the lower right–hand corner of the console CDRH or in the upper right–hand corner of the console 2001 (see illustration 2 below).

ILLUSTRATION 2 PLACEMENT OF SAFETY LABEL ON CONSOLE

JOB CARDS

Control Console CDRH

STICK LABEL HERE

Control Console 2001 STICK LABEL HERE

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Note: 6.3

Job Card IST 038

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Section 6.3 and 6.4 for US only

In the envelope get the following label (See Illustration 3).

ILLUSTRATION 3 US LABEL

CAUTION: Patient contact surfaces should be cleaned and disinfected between patients Peel off the self–adhesive backing from the label, and affix the label centering in the upper part of the console CDRH. (See Illustration 4). For the console 2001, peel off the self–adhesive backing from the label, and affix the label centered horizontally on the vertical surface above the displays. (See Illustration 4).

ILLUSTRATION 4 PLACEMENT OF US LABEL ON CONSOLE STICK LABEL HERE

Control Console CDRH

Control Console 2001

STICK LABEL HERE

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JOB CARDS

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Job Card IST 039

MANUAL DETERMINATION OF AOP STRATEGY FOR A GIVEN SCREEN PAIR

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES Normal cassette of type used in the screen pair being calibrated

D

Film of type used in the screen pair being calibrated

D

Plexiglass in thickness increments of 0.5 cm (minimum plexiglass dimensions 20 x 20 cm to insure complete covering of the photo cell) JOB CARDS

D

SECTION 2 TOOLS None SECTION 3 SAFETY PRECAUTIONS

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES Generator calibration must be successfully completed for the screen pair in question before this Job Card is performed. Note:

The AOP strategy parameter is determined automatically at the end of IST013 or IST014 reference energy calibration. So the manual setting of the AOP strategy (IST039) is no longer necessary. However, if there are several senographe DMR installed on the same site, it may be necessary to “equalize” all the strategies to the same value, to avoid unjustified mAs deviation between identical senographes. For this purpose only, it is still possible to read/set the strategy value. This equalization must only be done if the DMRs are using the same film/screen couple, same film processor, same SID.

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Job Card IST 039

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SECTION 5 DETERMINE AOP STRATEGY This Job Card provides the procedure for determining the AOP strategy parameter for a given screen pair. This is done by taking a reference X–ray exposure in 1–point mode and choosing the AOP strategy parameter according to the resulting mAs from the exposure. GENERAL INSTRUCTIONS TO BE OBSERVED DURING ALL PROCEDURES GIVEN BELOW IN THIS SECTION:

JOB CARDS

5.1

D

The photo cell must be in its most forward position (towards the patient) throughout the procedures in this Job Card.

D

When placing plexiglass on the cassette holder, the plexiglass must always overlap the front edge (towards the patient) by about 1 cm to insure that the photo cell is fully covered.

Set up for and take the exposure. 5.1.1

Set up the Senographe DMR in the following configuration: – Any compression paddle installed – Contact (no magnification) – Bucky 18 x 24 in place (with grid) – 4 cm plexiglass on the bucky – SID : as per customer’s choice – AEC mode (1–point) – HV : 28 kV – Track: Mo – Filter: Mo – Focal spot: LARGE – Manual density correction: +0

993

5.1.2

Load cassette with undeveloped film into cassette holder and take an exposure. Note down the resulting mAs.

5.1.3

Determine AOP strategy parameter value according to the resulting mAs value: mAs < 30 => strategy = SUPER FAST 30 < mAs < 50 => strategy = VERY FAST 50 < mAs < 70 => strategy = FAST 70 < mAs < 100 => strategy = MEDIUM 100 < mAs < 150 => strategy = SLOW mAs > 150 => strategy = VERY SLOW

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MANUAL DETERMINATION OF AOP STRATEGY FOR A GIVEN SCREEN PAIR

Enter the AOP strategy parameter value into the Senographe DMR. 5.2.1

Note:

5.3

3 of 4

Starting from application mode, change the position of the installation menu enable switch (switch B1 on generator CPU board 400–PL3, see ”Accessing the Generator or Gantry Installation Mode from the Console” in chapter 1). This must only be done if the Senographe DMR has been switched off since the last access to SETUP/GENE/INSTAL or SETUP/ARM/VALID/INSTAL

5.2.2

Starting from application mode, select SETUP/GENE/INSTAL/GENE/AOP/FILM/ALGO/ FSC=x/STRAT on the console, where x is the screen pair indicator (A,B,C,D, or E) corresponding to one of the 5 possible screen pairs to be calibrated.

5.2.3

Select the AOP strategy as determined above (SUPER FAST, VERY FAST, FAST, MEDIUM, SLOW, or VERY SLOW) on the console.

5.2.4

Perform a CKSUM and return to application mode.

5.2.5

If you are turning the machine back over to the user at this point, switch the Senographe DMR off, then on again.

Changing AOP Strategy of Senographe DMR. In AOP mode, and following the calibration of a new Screen/Film targets combination, the resulting dose or mAs value can be too high for a reference exposure on a calibrated equipment. The origin of Dose value increase is the Track/Kv parameters combination choosen by AOP algorithm which is optimized to get the best image quality compromise in AOP–CNT mode according to the film sensitivity index. Note: High contrast films are used with fast strategy. The dose value can be reduced following the two methods: 1) Either by changing the technique used by the radiologist, i.e. using a different AOP mode as : – From AOP–CNT (contrast) to AOP–STD (standard), – Or from AOP–STD to AOP DOSE. 2) Or by reducing the dynamic range of the image by increasing the kV value. It is obtained if you modify the strategy of film exposure; reducing its speed corresponds to an increase of the kV value: – Access to menu /AOP/FSCx/ and set strategy to the immediat lower speed.

CAUTION

Changing the strategy will reduce image quality. It may be done only with the physician agreement.

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JOB CARDS

5.2

Job Card IST 039

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JOB CARDS

Job Card IST 039

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Job Card IST 040

SETTING OF ELEVATOR UPPER TRAVEL LIMIT

Time:

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES None.

D

Screwdriver 4 mm.

D

Allen wrench 2.5 mm.

JOB CARDS

SECTION 2 TOOLS

SECTION 3 SAFETY PRECAUTIONS D

No specific safety precautions are applicable.

SECTION 4 PREREQUISITES None. SECTION 5 PROCEDURE

5.1

D

Measure room overall height, floor to ceiling.

D

Remove left cover from column housing (see IST032).

Determine optical sensor position (see Illustration1 ) The position of the optical sensor is determined as follows : 1. Ceiling height 2.5m (8.22ft.) or greater : –

Note:

Install the optical sensor in the upper mounting hole (1 in Illust.1 ). The Senographe DMR is delivered with the optical sensor is installed in this position.

2. Ceiling height 2.4m (7.9ft.) or greater, but less than 2.5m (8.22ft.) : –

Install the optical sensor in the middle mounting hole (2 in Illust.1 ).

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SETTING OF ELEVATOR UPPER TRAVEL LIMIT

Job Card IST 040

2 of 4

3. Ceiling height 2.3m (7.5ft.) or greater, but less than 2.4m (7.9ft.) : –

Install the optical sensor in the lower mounting hole (3 in Illust. 1).

4. Ceiling height less than 2.3m (7.5ft.) : – Note:

5.2

The Senographe DMR cannot be installed without special modification. The adjustment of the metal plate which blanks off the upper and lower sensors only affects the elevator lower travel limit.

Repositioning of the optical sensor

JOB CARDS

1. Remove the tyraps on the cable connected to the optical sensor. 2. Remove the two 2.5 mm Allen screws securing the sensor. 3. Remove the optical sensor and reinstall it in its new position, as determined in 5.1, above. 4. Reinstall and tighten the two 2.5 mm Allen screws, in the new position. 5. Reinstall tyraps on the sensor cable, as required. 6. Switch on the Senographe DMR, carry out a column raising and lowering test and check that the tube housing cover does not collide with the ceiling (check minimum clearance for safety of at least 8 cm to 9 cm).

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SETTING OF ELEVATOR UPPER TRAVEL LIMIT

Job Card IST 040

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JOB CARDS

ILLUSTRATION 1 SENOGRAPHE DMR, SHOWING OPTICAL SENSOR POSITIONS

1 1 2

3

POSITIONS FOR UPPER OPTICAL SENSOR

2

3

COLUMN FRONT VIEW

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Job Card IST 040

JOB CARDS

Blank page

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Job Card IST 041

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Version No.:

GENERAL ERRORS DURING THE CALIBRATION

Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None. SECTION 2 TOOLS

JOB CARDS

None. SECTION 3 SAFETY PRECAUTIONS None. SECTION 4 PREREQUISITES None.

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Job Card IST 041

2 of 8

SECTION 5 GENERAL ERRORS DURING THE CALIBRATION DMR

GENERAL ERRORS DURING THE CALIBRATION ERROR MESSAGE

JOB CARDS

RESULT OF CALIBRATION EXPOSURES (WHATEVER JOB CARD IS USED)

OUT OF ORDER

DESCRIPTION

CORRECTIVE ACTION

Failure

Go back to application mode and note (fix) the error code

Failure caused by the gantry

Go back to application mode and note (fix) the error code

TOO HOT

The tube is too hot

Wait for the tube cooling. If it takes more than 20 minutes, then cancel the procedure and do it again.

ARCING

Too many arcings

Repeat the exposure

SOFTWARE ERROR

Mistake in calculation of the parameters of a curve by approximation : software error

Inform the Central Support

NOT ENOUGH PTS

Insufficient number of points Do the calibration again acquired. Calibration is not complete or has been interrupted by the operator.

PARAM DISPERSED

Maximum > 1000 time the minimum. Procedure or software error

Do the calibration again. Inform the Central Support.

ALL PARAM NIL

The matrix determinant = 0. Procedure or software error.

Do the calibration again. Inform the Central Support.

PIVOT NIL

The matrix diagonal = 0 but the result is < > 0

Do the calibration again. Inform the Central Support.

STOP BY ARM

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CALCULATION ERROR

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GENERAL ERRORS DURING THE CALIBRATION ERROR MESSAGE

DESCRIPTION

CORRECTIVE ACTION

OVERFLOW

Real number is transformed into a string. Values are out of the interval +/– 9999000000

Check that the AEC calibration has been property done. If yes, then check the cell.

ERROR 068/022

Floating point calculation error. This error originates generally from invalid parameters calculated during pm yeld calibration (IST 007). The error can occur whithin IST 007, 013 or 014

The best way is to restart AEC calibration at level IST 007, with the right default parameters. Suppose you are calibrating FSC A and that couples B, C, D were not already used ; using procedure IST 007 paragraph 6–4–1, copy successively from C (no screen) to A (no screen) and C (with screen) to A (with screen).

3–227

JOB CARDS

DMR

Job Card IST 041

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GENERAL ERRORS DURING THE CALIBRATION

DMR

Job Card IST 041 GENERAL ERRORS DURING THE CALIBRATION

ERROR MESSAGE CONNECTION WITH THE ARM (DURING A CALIBRATION EXPOSURE)

CONNECTING

JOB CARDS

DESCRIPTION

CORRECTIVE ACTION

Information message : connection in progress.

If there is no connection despite the message, it is a software error ––> inform the Central Support

Gantry failure (arm)

Check the gantry and its connection with the generator (optical fibers)

ACCESS REFUSED

The command has not been taken into account

Software error ––> inform the Central Support

CONNECT ERROR

Unknown answer form the gantry

Software error ––> inform the Central Support

Gantry stopped

Check that the gantry runs properly, if is does it is a software error ––> inform the Central Support

Gantry out of order

Check that the gantry runs properly, if is does not note the error code

COMMUNIC ERROR

The received message is wrong

Software error ––> inform the Central Support

TUBE MISMATCH

The select configuration does not exist

Choose one of the possible configuration indicated in the steering guide (paragraphs 13–v & 13–vi)

NO ARM REPLY

ARM STOPPED

ARM ERROR

CONFIGURATION OF THE X–RAY TUBE

4 of 8

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ERRORS ASSOCIATED TO A JOB CARD ERROR MESSAGE

IST003 X–RAY TUBE HEATER CURRENT CALIBRATION

LIMITED ICH (Warning message only)

IST 005 PHOTOCELL CALIBRATION

TOO MUCH PLEXI

IST 005 PHOTOCELL CALIBRATION

NOT ENOUGH PLEXI

OUT OF ORDER ARM ABSENT

DESCRIPTION

CORRECTIVE ACTION

One or more filament heating current values were calculated above 5.6A.

See IST003 paragraph 5.1.6.

PM current is insufficient

Check the thickness of the plexi and check that the bucky is without cassette. Reduce the thickness of the plexi according to the Job Card and do the calibration again. This problem may come from the hardware ––> check the photocell board 800–PL4. Change photocell if necessary.

PM current is too high

Check the thickness of the plexi. Increase the thickness of the plexi according to the Job Card and do the calibration again. This problem may come from the hardware ––> check the photocell board 800–PL4. Change photocell if necessary.

Failure

Go back to application mode and note (fix) the error code.

Default generator configuration

Select ”arm present” in the CONFIG menu of the generator

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JOB CARDS

DMR

Job Card IST 041

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GENERAL ERRORS DURING THE CALIBRATION

Job Card IST 041 ERRORS ASSOCIATED TO A JOB CARD

DMR

ERROR MESSAGE

JOB CARDS

IST 007 PM YIELD

6 of 8

DESCRIPTION

CORRECTIVE ACTION

GRID ABSENT

Test of the presence of the grid

Put the grid back inside the bucky

GRID PRESENT

Test of the presence of the grid

Take out the grid from the bucky

RH FILTER OFF

Control of the tube and RH filter version

Check the tube configuration

HV = MIN, KV CHGE HV = MAX, CFG CHGE REDUCE HV, AGAIN RISE HV, AGAIN

Information messages : only appear when the operator interrupts the calibration

Press the exposure button to continue the calibration

MEASURE ERROR

YIELD NIL

BAD RESULT

Calculated point out of range Perform again the current calibration step (6–3 or 6–5 or 6–8 or 6–10) Calculation error

Copy parameters “x” to another unused couple “y”. Continue calibration with couple “y”. Couple “x” can be used with another screen calibration.

Reference energy will be negative

Perform again the current calibration Step: both 6.3 and 6.5 or both 6.8 and 6.10).

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GENERAL ERRORS DURING THE CALIBRATION

ERRORS ASSOCIATED TO A JOB CARD ERROR MESSAGE

IST 013 NON RECIPROCITY CALIBRATION

IST 014 REFERENCE ENERGY CALIBRATION

DESCRIPTION

CORRECTIVE ACTION

ANOTHER FILM

The delta of the measured optical density exceeds the acceptable range : ––> make another exposure to continue the calibration

Reload the cassette and continue the calibration

ODMEA TOO SMALL ODMEA TOO LARGE

The measured optical density is out of the acceptable limits

Check the value entered

INVALID PARAM

The curve determined by coefficient A0, A1, A2, is not valid

Check the root values of parameters A0, A1, A2, (see Job Card)

CALCUL. ERROR

Calculation error of the non– Redo the calibration with the reciprocity coefficients root parameters (A0, A1, A2) indicated in the Job Card

CHECK PLEXI CM

If the measured thickness is too much different from the plexi thickness required (+/– 0.5 cm)

Check the thichness of the plexi. Ignore the message if the measure is right

OD_MS = TOO LOW OD_MS = TOO HIGH

The mAs used for the exposure are too low or too hight. This may also be an error in the measurement of the optical density.

Change the mAs value or enter the right value of the optical density

Too many arcings : calibration stopped

No specific action : try to make the exposure again

The entered mA value is out of acceptable range. (40 mA mini – 60 mA maxi)

Do the calibration again or check the Hardware

ARCING STOP IST 016 mA CALIBRATION

7 of 8

OUT OF RANGE

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JOB CARDS

DMR

Job Card IST 041

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GENERAL ERRORS DURING THE CALIBRATION

Job Card IST 041 ERRORS ASSOCIATED TO A JOB CARD

DMR

ERROR MESSAGE IST 017 KV CALIBRATION

OUT OF RANGE

IST 018 STEREOTIX 2 PHOTOCELL CALIBRATION

NORMAL CELL ERR LELF CELL ERR CENT CELL ERR RIGHT CELL ERR

JOB CARDS

REDUCING HV

RISING HV

IST 020 TUBE WARM–UP

8 of 8

TOO MANY SPITS

DESCRIPTION

CORRECTIVE ACTION

The entered tension value exceed normal value by more than 15%. The calculated parameters deviate from normal value by more than 15% at 25 and 40 KV

Do the calibration again or check the Hardware

Direction of tube housing angulation is incorrect

Coordination the software selection and the real angulation

Information : after the exposure button is released, the HPTM is reduced by the software

Press the exposure button to continue the calibration

Information : after the expo- Press the exposure button to sure button is released, the continue the calibration HPTM is increased ad by the software If more than 5 arcings at 22 KV. If the number of returns from 26 KV to 22 KV is > or = 3. If the number of exposures for the same KV value is > or = 10

3–232

Check ground cable connection Change the tube

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SENOGRAPHE DMR+ Purpose:

Job Card IST 042

CONNECTING ROOM LAMPS AND ROOM DOOR

Time: x h xx min

1 of 4

Version No.: Date:

Personnel: 1

SECTION 1 SUPPLIES The necessary hardware (wires, lamp, switches...) is field or/and customer supplied. SECTION 2 TOOLS

JOB CARDS

None. SECTION 3 SPECIAL SAFETY PRECAUTIONS None. SECTION 4 PREREQUISITES None.

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CONNECTING ROOM LAMPS AND ROOM DOOR

Job Card IST 042

2 of 4

SECTION 5 PROCEDURE 1. Referring to Illustration 1 for details, connect the room and lamps wiring to XJ1, XJ2, XJ3 (location shown in Illustration 2) on the 200PL4 board. 2. Route the wires in the generator, along with the DMR mains supply cable. ILLUSTRATION 1 WIRING OF THE ROOM LAMPS AND DOOR

DMR GENERATOR

CUSTOMER-SUPPLIED HARDWARE AC or DC supply

JOB CARDS

Board 200PL4 K1

Seno ON lamp

XJ1

AC or DC supply K2

X-ray ON lamp

XJ2

K3 XJ3

~ Room door switch 24v /AC (external power supply)

3. Locate the board 400–PL1 (see illustration 3) and move jumpers JP1 and JP2 (room door disabled) to parking position JP3 and JP4 (room door enabled).

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CONNECTING ROOM LAMPS AND ROOM DOOR

Job Card IST 042

3 of 4

JP1 (PREPA)

JP2 (GRAPHY)

DOOR CLOSED

DOOR OPENED

0

0

PREPA and GRAPHY enabled

PREPA and GRAPHY disabled

0

1

PREPA and GRAPHY enabled

PREPA and GRAPHY disabled (see Note 1)

1

0

PREPA and GRAPHY enabled

PREPA enabled GRAPHY disabled

1

1

PREPA and GRAPHY enabled

PREPA and GRAPHY enabled

0 = Jumper removed 1 = Jumper in place Note 1: Note:

Using this setting, iIf the door opens during the exposure, the exposure will NOT be aborted and will finish normally. When room door is enabled, the signals valid–PR (1st trigger or prepa) and valid–GR (graphy) are enabled through the room door switch. The load current rating of the relays K1 and K2 on 200–PL4 is: – 8A @ 250 VAC – or 5A @ 30 VDC The relay K3 must be supplied with 24Vac

3–235

JOB CARDS

TABLE 1

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CONNECTING ROOM LAMPS AND ROOM DOOR

Job Card IST 042

ILLUSTRATION 2 LOCATION OF ROOM WIRING CONNECTORS

JOB CARDS

XJ1 Room XJ2 lamps XJ3 and door wiring

200 PL4

ILLUSTRATION 3 LOCATION OF JP1 TO JP4

3–236

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SENOGRAPHE DMR+ Purpose:

Job Card IST 043

1 of 14

Version No.:

DMR INSTALLATION FORM

Date: Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None. SECTION 2 TOOLS

JOB CARDS

None. SECTION 3 SPECIAL SAFETY PRECAUTIONS None. SECTION 4 PREREQUISITES None. SECTION 5 PROCEDURE Use this form to note down all the data collected during the DMR installation. This form has sufficient room for the calibration of 2 screen / film couples. You can also add your personnal notes and remarks at the end of this form, to help you during future maintenances.

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DMR INSTALLATION FORM

JOB CARDS

Job Card IST 043

IST 022 Measure at Step 5–1–3/5–1–4

+Ve / –Ve

Measure at step 5–1–6

AC 220 V

Measure at step 5–2–1

DC +5 V

3–238

/

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DMR INSTALLATION FORM

3 of 14

JOB CARDS

Job Card IST 043

AOP type used by customer

A or B or C

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DMR INSTALLATION FORM

JOB CARDS

Job Card IST 043

3–240

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DMR INSTALLATION FORM

Job Card IST 043

5 of 14

IST007: First screen. Test of thickness displayed on the console RT (2cm)

Delta (2cm)

RT (4cm)

Delta (4cm)

RT (6cm)

Delta (6cm)

Contact mode with Grid without Screen Contact mode with Grid with Screen Magnification mode without Grid without Screen Magnification mode without Grid with Screen RT: Radiological Thickness Delta (X cm) = Radiological Thickness – Plexiglass Thickness

Expected Results: Each Radiological thickness must be equal to the Plexiglass thickness +/– 2 mm Delta (4cm) must be greater than Delta (2cm) and Delta (6cm) absolute value (Delta (2cm) – Delta (6cm)) < 1.5 mm.

3–241

JOB CARDS

Legend:

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DMR INSTALLATION FORM

JOB CARDS

Job Card IST 043

32 / 1,5 cm 28 / 5.5 cm

3–242

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7 of 14

JOB CARDS

Job Card IST 043

32 / 1,5 cm 28 / 5.5 cm

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DMR INSTALLATION FORM

JOB CARDS

Job Card IST 043

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DMR INSTALLATION FORM

9 of 14

JOB CARDS

Job Card IST 043

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DMR INSTALLATION FORM

Job Card IST 043

10 of 14

IST007: Second screen. Test of thickness displayed on the console RT (2cm)

Delta (2cm)

RT (4cm)

Delta (4cm)

RT (6cm)

Delta (6cm)

Contact mode with Grid with Screen Magnification mode without Grid with Screen

Legend: RT: Radiological Thickness.

Delta (X cm) = Radiological Thickness – Plexiglass Thickness.

Expected Results:

JOB CARDS

Each Radiological thickness must be equal to the Plexiglass thickness +/– 2 mm Delta (4cm) must be greater than Delta (2cm) and Delta (6cm) absolute value (Delta (2cm) – Delta (6cm)) < 1.5 mm.

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DMR INSTALLATION FORM

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JOB CARDS

Job Card IST 043

32 / 1,5 cm 28 / 5.5 cm

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JOB CARDS

DMR INSTALLATION FORM

Job Card IST 043

32 / 1,5 cm 28 / 5.5 cm

3–248

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13 of 14

JOB CARDS

Job Card IST 043

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DMR INSTALLATION FORM

Job Card IST 043

JOB CARDS

Blank page

3–250

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SENOGRAPHE DMR+ Purpose:

Job Card IST 044

1 of 2

Version No.:

SETTING PADDLE DEFORMATION PARAMETERS

Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None. SECTION 2 TOOLS

JOB CARDS

None. SECTION 3 SPECIAL SAFETY PRECAUTIONS None. SECTION 4 PREREQUISITES None. SECTION 5 PADDLE DEFORMATION PARAMETERS The objective is to check the values of the paddle deformation parameters and to modify them if necessary. These parameters alter the X–Ray exposure behaviour in AOP mode. 5.1

Format 18x24 paddles in contact mode 5.1.1

Starting from application mode, select: SETUP/GENE/INSTAL/GENE/AOP/PELOTE/18x24

5.1.2

Rotate the KV button to see either the offset or the gain values. Check agains table 1 below. change the value(s) if necessary. Table 1

Offset value

Gain value

Standard injected plastic paddle (*)

+1.000 E + 0

+6.000 E – 1

Metallic arm paddles

–1.000 E + 0

+7.000 E – 1

(*) = default factory setting.

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SETTING PADDLE DEFORMATION PARAMETERS

5.2

Job Card IST 044

2 of 2

Format 24x30 paddles is contact mode 5.2.1

Select

SETUP / 24x30

5.2.2

Rotate the KV button to see either the offset or the gain values. Check against table 2 below. Change the value(s) if necessary. Table 2

Offset value

Gain value

Standard injected plastic paddle (*)

+1.000 E + 0

+8.000 E – 1

Metallic arm paddles

+0.000 E + 0

+1.000 E – 1

(*) = default factory setting.

JOB CARDS

5.3

Magnification paddles 5.3.1

Select:

SETUP / MAG

5.3.2

Rotate the KV button to see either the offset or the gain values. Check against table 3 below. Change the value(s) if necessary. Table 3

All magnification paddles 5.4

Gain value

+2.000 E + 0

+2.000 E – 1

Stereo Paddles 5.4.1

Select:

SETUP / STEREO

5.4.2

Rotate the kV button to see either the offset or the gain values. Check against table 4 below. Changes the value(s) if necessary. Table 4

All Stereo paddles

5.5

Offset value

Offset value

Gain value

3.000 E + 0

1.000 E – 1

Perform a CKSUM and return to Application mode.

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Job Card IST 045

PREVENTIVE MAINTENANCE FOLLOW–UP

1 of 4

Version No.: Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None. SECTION 2 TOOLS

JOB CARDS

None. SECTION 3 SPECIAL SAFETY PRECAUTIONS None. SECTION 4 PREREQUISITES None. SECTION 5

PREVENTIVE MAINTENANCE Despite its inherent reliability, the Senographe DMR requires certain minimum maintenance. A Maintenance Program, whose frequency may vary according to the type of use of the equipment, is outlined in Table 1. Use the Maintenance Follow–up Table to track maintenance operations over time.

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PREVENTIVE MAINTENANCE FOLLOW–UP

Job Card IST 045

2 of 4

    

Frequency Action

JOB CARDS



,

7

Description

        

Procedure

           

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 $-   3$

 !  " #!   $-   ! %&  ! &  '( )* +, #! -  ,./01"   $-    !  "  $5$$  $-    %, 261"  $    - & $$2  $-  "    !  2 $-  "   $ $   $-  "

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;  $    : !   

3–254

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PREVENTIVE MAINTENANCE FOLLOW–UP

Job Card IST 045

3 of 4

Date:

Date:

Date:

Date:

Date:

Exposure count:

Exposure count:

Exposure count:

Exposure count:

Exposure count:

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3–255

JOB CARDS

 

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SENOGRAPHE DMR+

REV 2

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PREVENTIVE MAINTENANCE FOLLOW–UP

Job Card IST 045

4 of 4

JOB CARDS

  

Date:

Date:

Date:

Date:

Date:

Exposure count:

Exposure count:

Exposure count:

Exposure count:

Exposure count:

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3–256

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Job Card IST 046

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Version No.:

CHECKS ON PRE-EXPOSURE

Date: Time: 30 min

Personnel: 1

SECTION 1 SUPPLIES D

Normal cassette of type used in the screen pair being calibrated

D

Film of type used in the screen pair being calibrated

D

Plexiglass in thickness increments of 10 mm (minimum plexiglass dimensions 200 x 200 mm to ensure complete coverage of the photo-cell). Tool reference (plexi plates) : 45 203 014 or 46–286893 (US pole). Thickness accuracy of plexiglass plates is mandatory (10  0.2 mm). For memo: chemical formula of plexiglass is C5H8O2, different from Lexan and Nylon!

SECTION 3 SAFETY PRECAUTIONS

CAUTION

These procedures produce X–rays. Be sure to take appropriate precautions.

SECTION 4 PREREQUISITES D

About checksum, see chapter 1, para. 1–2.

D

kV accuracy check (if applicable) followed by kVp recalibration must be performed before this job card (see IST 033, para. 5.1.11).

D

Job Card IST 006 SCREEN PAIR SELECTION AND CONFIGURATION

D

Job Card IST 007 must have been performed recently.

D

In case of error messages during this calibration, see IST 041 for explanations.

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SECTION 2 TOOLS

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SECTION 5

CHECKS ON PRE–EXPOSURE IN AOP MODE 5.1

Purpose of test For good results in gridlines, it is required to have a good prediction of exposure time in AEC and AOP mode. This prediction can be affected by an uncorrected adjustment of the kV feed–back circuit on 701PL1 board (KV/MA board). For example, an overshoot on KV waveform during pre–exposure (pre–shot) would give a minimized or a maximized value for radiological thickness, compared to the thickness measured during main exposure.

JOB CARDS

A simple check is to record the thickness measurement done by photocell during a complete exposure and compare it to the measurement during pre–exposure. The measurement will have to be done several times to take in account other variations in the system. This adjustment does not modify the AEC/AOP calibration; it will improve the grid movement ( the risk of grid lines is more important for short exposure times). Since generator software 3.26, the AEC mode works with a pre–exposure, same as AOP mode. ILLUSTRATION 4

START

Make 5 exposures AEC 28kV Turn P1

No

Measure of thickness

Result analysis good

Yes Final adjustment Turn P1

END

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When perform this test

–

If you detect gridlines

–

or if radiological thickness of an AEC pre– exposure is smaller or equals to the radiological thickness of exposure

–

or if you have 097/027 error code in the generator error log file.

Caution: After each pre–shot or exposure wait 30s before performing other X–rays. 5.3

How to check AEC exposure

So we need to perform at least 5 pre–shot to get a sufficient accuracy; (du to the variability in pre–shot length) 5.3.1

Preparation for test:

•

Power–OFF/ON the DMR

•

Used a calibrated FSC; note here after the original parameters: FSC NAME:_________________

•

Set and note the following parameters in menu medical: Disable auto decomp

Check if Yes or no

Disable cassette detection Note the original force limit registered______=______DaN •

SID = 660 mm

•

⋅DMR examination Arm: vertical

•

18x24 compression paddle installed

•

Put 4 cm of plexiglass on the bucky; verified that photocell area is covered

•

Compress the Plexiglas to get the mechanical thickness as described above; you need always compress with the same force; chose 11DaN.

•

You could set in medical menu, the maximum compression force to 11daN, to get reproducibility of all exposures requested by this job card

•

Insert a cassette with film (we do not need to develop this film).

•

Choose AEC mode 28kV.

•

Perform a serie of 5 exposures with 30 seconds waiting time between each exposure in order to warm–up the tube.

5.3.2

System warm–up in AEC mode 28 kV

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JOB CARDS

The appreciation of Kv rise time is based on the measure of radiological thickness during the pre–shot. When there is an undershoot or an overshoot of KV this measure of radiological thickness have a significant dispersion.

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5.3.3

Job Card IST 046

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Acquisition of Exposures in AEC mode 28 kVp 1. Press 1st trigger button until 1st trigger lamp is on 2. Press 2nd trigger to take pre–exposure ONLY ; RELEASE 2nd trigger and Prep buttons BEFORE actual exposure starts. Clear the Abort sound. 3. Read the radiological thickness on console. 4. Record this value in Table 1, value THp1 (which stands for Thickness, pre–exposure N°1 )

Note: Be sure to record all digits on the console (ex: 4.17 cm)

JOB CARDS

5. Redo the same exposure, but this time, let the system finish the main exposure. 6. Read the radiological thickness on console. 7. Record this value in Table 1, value THe1 (which stands for Thickness, exposure N°1 ), 8. Repeat steps ”1” to ”7” FOUR TIMES and each time report values in Table 1 (THp2 to THp5 and THe2 to THe5). Observe carefully a waiting time between exposures. 9. Calculate average values for THp, THe and Delta (Win95 Calculator can be useful for this task; you can find it using menu: Start/Programs/Accessories) 10. Report Values AV_THp , AV_THe and AV_ Δ Table 2. (AV stands for Average)

Table 1 : Pre–exposure test (note Thickness values in cm)

THp (pre–expo sure)

Average

THe (main exposure)

Delta (THe – THp)

THp1

THe1

Delta 1

THp2

THe2

Delta 2

THp3

THe3

Delta 3

THp4

THe4

Delta 4

THp5

THe5

Delta 5

AV_THp

AV_THe

AV_ Delta

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5.4

Job Card IST 046

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Analysis of results Two conditions are required:

•

Average Delta should be comprised between 0.00 and –0.03 cm (no positive value allowed), meaning that pre–exposure measured thickness is always slightly above the real thickness

•

THp minimal is equals or greater than THe maximal If these conditions are satisfied, go to section 5.7 Final adjustment of KV rise time. If not, « kV return » signal may not be properly calibrated. Proceed to next paragraph 5.5.

Corrective action on KV risetime D

If the gap is small (less than 0.2 cm), you can directly fine tune the HV risetime by rotating the potentiometer P1 CW or CCW according to examples given below (one turn corresponds to about 0.01 cm of thickness).

Note: P1 is the frequency compensation adjustment of the DMR HV probe (HV connection + wire…) if you turn P1 clockwise you go to overshoot, if you turn P1 to reverse clockwise you go to undershoot. Examples of adjustment for 701PL1 –P1: First example : AV_THp

4.03 cm

AV_THe

4.06 cm

AV_Delta

0.03 cm

In this case, turn P1 by 3 turns clockwise: this will increase THp by 0.03cm approximately. Refine if necessary. Second example : AV_THp

4.08. cm

AV_THe

4.01 cm

AV_Delta

–0.07 cm

In this case, when average delta is equals or smaller than –0.06, turn P1 with a maximum of 6 turns reverse clockwise by step: this will reduce THp by 0.06cm approximately; average delta is not linear. Refine if necessary. 5.6

First Adjustment check

•

Perform again the test exposures as specified in paragraph 5.3.2 and 5.3.3 above; note results in table 2 below.

•

Results must be in the conditions of paragraph 5.4 Analysis of results

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Table 2 : Pre–exposure test (note Thickness values in cm)

JOB CARDS

THp (pre–expo sure)

Average

5.7

THe (main exposure)

Delta (THe – THp)

THp1

THe1

Delta 1

THp2

THe2

Delta 2

THp3

THe3

Delta 3

THp4

THe4

Delta 4

THp5

THe5

Delta 5

AV_THp

AV_THe

AV_ Delta

Final Adjustment of KV rise time

•

The second adjustment of P1 is made after successfully perform first adjustment with average delta between 0.00 and –0.03.

•

Second adjustment: turn P1 of 7 positive turns clockwise.

•

Make 5 pre–exposures AEC Mo/Mo 28KV and for each one, check that radiological thickness is always greater than the radiological thickness found in the last check.

5.8

Restore original parameters: Disable auto decomp

Yes or No

Original force limit registered =

DaN

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Version No.:

CHECK OF VIEWBOX(ES)

Date: Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None

D

Luxmeter (Range 1 to 10 000lux) suitable for photometric measurements.

D

Luminancemeter (range 10 to 10 000 cd/m2 or nit) suitable for photometric measurements.

SECTION 3 SAFETY PRECAUTIONS None

SECTION 4 PREREQUISITES None.

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SECTION 2 TOOLS

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SECTION 5 PROCEDURE 5.1

Ambient light test •

Switch on all light sources of the view room except the viewbox to be checked,

•

Position the luxmeter photocell at a distance of 30 cm from the viewbox, in direction opposite to the latter (to measure the light received on viewbox surface),

•

Record the Lux value (on datasheet) and proceed the same way for other viewboxes.

Pass criterion: Each measured Lux value of ambient light must be < 50 Lux.

JOB CARDS

5.2

Viewbox test: 5.2.1

Definition of measurement areas (See figure below)

•

The viewbox is generally divided into four diagnostic areas (i.e. four times a 35 X 43 area),

•

Five test points are identified in each diagnostic area (one test point at the center, and four test points at the corner of an area of 35 X 43).

Area # 1 (35 X 43)

Area # 2 (35 X 43)

Area # 3 (35 X 43)

Area # 4 (35 X 43)

C1

C2

C3

C4

Viewbox

5 test points in each area

5.2.2 •

Procedure Switch on the viewbox to be tested and wait for 5 minutes,

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•

Position the luminancemeter towards the five test points of a diagnostic area and record the corresponding luminance values (in cd/m2) values on datasheet,

•

Repeat the measurements for all other areas,

•

Perform the same way for all other viewboxes.

5.2.3

Pass criterion Value at the center of each diagnostic area must be equal to the mean of the measurements in the center of each of the five areas within ± 15% and should be > 3500 cd/m2 (or nit) ; recommended value is > 7000 cd/m2 (or nit).

•

Values in the corners of each area should be equal the value at the center within ± 10%,

•

The deviation between the means of the measurements in the center of each of the five areas of two viewboxes must be < 20 %. JOB CARDS

•

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JOB CARDS

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CHECK OF SENSITOMETRIC STABILITY

1 of 4

Version No.: Date:

Time: x h xx min

Personnel: 1

SECTION 1 SUPPLIES None SECTION 2 TOOLS Densitometer, Sensitometer, Marker pen, Gloves, Film, Test Cassette. JOB CARDS

D

SECTION 3 SAFETY PRECAUTIONS

CAUTION

WEAR CLOTH GLOVES TO HANDLE THE FILM.

SECTION 4 PREREQUISITES 4.1

Check temporal stability of the film processor

– Apply recommended check procedure provided by the manufacturer.

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SECTION 5 PROCEDURE 5.1

Sensitometric procedure: 5.1.1

Purpose:

• The purpose is to check the compliance of system condition with respect to a rated and/or reference condition, i.e. gamma as a function of chemical/Film/Film processor parameters. • It could help to find out the optimum O.D. which allows a good completion of IST 013. 5.1.2

Procedure:

JOB CARDS

a) expose the film with the sensitometer set to green, with the film right way up (if single emulsion is used) •

For most of the films, the emulsion is facing down when the notch is on the upper left.

•

For an X–RITE 333 sensitometer, the emulsion must be facing down with the film up against the stop.

b) Develop the film and write in all data necessary for its identification: site, date and time, c) Calibrate the densitometer to zero on step 1 of the film sensitometric strip: Note: Calibration of LNRT and Reference Energy are done using net Optical Density values (without base + fog). d) Measure and record O.D. levels for each step ( 1 through 21) in Table 3–1, then draw the sensitometric curve,

Step # Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11

Measured O.D.

Step #

Measured O.D.

Step 12 Step 13 Step 14 Step 15 Step 16 Step 17 Step 18 Step 19 Step 20 Step 21 Table 3–1: O.D. steps record

e) Note the first step whose relative density is greater or equal to 1 (Sensitivity Index). Let N be the step found and D(N) its relative optical density, and record it in Table 3–2. f) Note the relative optical density for step (N + 2). Let this measured value be D(N + 2). g) Calibrate the densitometer to zero without film, then measure the raw O.D. for step 1 (Base + Fog density). Record it in Table 3–2.

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5.1.3

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Calculation & Pass/Fail criteria Parameters

Measured values

Base + Fog density = Measurement of raw O.D. on step 1 of the sensitometric strip

Pass/Fail criterion

Result

Must be < 0.23

Sensitivity Index (N) = First step whose relative density (D) is greater or equal to 1.

Calculated Gamma = Contrast Index / 0.3

See table 3

Maximum Density = Density of step 21 Table 3–2: Sensitometric calculations Note: The Gamma value calculated by the DMR must be close to the Gamma value calculated manually to get good results about optical density.

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JOB CARDS

Contrast Index = D(N + 2) – D(N). Density deviation between step N (corresponding to Sensitivity Index) and step N + 2.

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JOB CARDS

Job Card IST 048

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SENOGRAPHE DMR+ Purpose:

Job Card IST 050

A0 OPTIMIZATION FOR CONTACT MODE

1 of 2

Version No.: Date:

Time: xx min

Personnel: 1

This procedure applies to the DMR mammographic equipment line. The standard adjustment made using Job cards IST007 and IST013 guarantees an acceptable Optical Density variation for each Track/Filter combination. The two purposes of this additional Job Card IST050 are the following: 1) to check the Optical Density variation for a plexiglass thickness varying from 2 to 6 cm, 2) to reduce the Optical Density variations when switching from one combination to another among the three possible (Mo/Mo, Mo/Rh and Rh/Rh), and allows to be compliant with the specifications of MQSA 2002 standards (US Regulation). This is achieved by optimizing the values of the coefficients A0 without screen and with grid coming from IST007 calibration, for Mo/Rh and Rh/Rh Track/Filter combinations.

SECTION 2 WHERE/WHEN 1) For already installed systems: Where – In the countries where MQSA 2002 has become a requirement. – For the other countries if you need to reduce the Optical Density variation. When This procedure should be performed once for each Film/Screen combination. It must be repeated each time Job Card IST007, IST013 or IST014 is redone, for example when the user introduces a new Film /Screen combination 2) For new DMR system installation Where This procedure should be performed in all countries When This procedure should be performed once for each Film/Screen combination during the first installation of the system (refer to the “flowchart of AEC/AOP calibration”). It must be repeated each time Job Card IST007, IST013 or IST014 is redone, for example when the user introduces a new Film /Screen combination

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SECTION 1 PURPOSE

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SECTION 3 PROCEDURE Copy the 2283482–200_IST050_DMR_A0_OPTIMIZATION.xls file from the CD 2283482–200 onto your PC hard disk, then run the file from the hard disk. Follow instruction given in the .xls file Note:

If you are not provided with Excel*, all necessary formulas are included in the 2283482–200_IST050_DMR_A0_OPTIMIZATION.pdf file.

JOB CARDS

*Excel is a registered Trade–Mark of Microsoft Corporation.

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Job Card IST 051

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Version No.:

A0 OPTIMIZATION FOR THE MAGNIFICATION MODE

Date:

Time: xx min

Personnel: 1

This procedure applies to the DMR mammographic equipment line. The standard adjustment made using Job cards IST007, IST013 and IST046 guarantees an acceptable Optical Density variation for each Track/Filter combination. The goal of this additional Job card IST051 is to reduce the Optical Density variations when switching from one combination to another among the three possible (Mo/Mo, Mo/Rh and Rh/Rh) inside the magnification mode, and allows to be compliant with the countries regulations (e.g.: MQSA 2002). This procedure does not reduce the shift between the contact mode and the magnification mode. This is achieved by optimizing the values of the coefficients A0 without screen and without grid coming from IST007 calibration, for Mo/Rh and Rh/Rh Track/Filter combination, the Mo/Mo combination being taken as a reference. SECTION 2 WHERE/WHEN SHOULD THIS JOB CARD BE PERFORMED? Where If you need to reduce the optical density variation between Mo/Mo, Mo/Rh and Rh//Rh inside the magnification mode. When This procedure should be performed once for each Film/Screen combination. It must be repeated each time Job Card IST007, IST013 or IST014 is/are redone, for example when the user introduces a new Film/Screen combination.

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SECTION 1 PURPOSE

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SECTION 3 PROCEDURE Copy the 2283482–200_IST051_DMR_A0_OPTIMIZATION.xls file from the CD 2283482–200 onto your PC hard disk, then run the file from the hard disk. Follow instruction given in the .xls file Note:

If you are not provided with Excel*, all necessary formulas are included in the 2283482–200_IST051_DMR_A0_OPTIMIZATION.pdf file.

JOB CARDS

*Excel is a registered Trade–Mark of Microsoft Corporation.

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CHAPTER 4 – ERROR CODES SECTION 1 ERROR CODE STRUCTURE The structure of the error messages, as displayed on the DMR console (e.g. E55 [text] 161/013), is shown below:

5

a

Error text

5

1

bb

1

ccc

a : type of error

bb: ccc: ddd:

6

0

1

3

ddd

I : Warning without exposure inhibition S : Warning with exposure inhibition E : Fault with exposure inhibition K : Fault generating power cut–off (safety)

message number subassembly ref. (hardware or software) number indicating origin of fault In the above example: E55 indicates an error concerning tube housing angulation and generating an exposure inhibition. 161/013 indicates no reference crossing during movement. E55 is the error code type listed in the Operator Manual. This code is easy to use and communicate, and is considered sufficient for customer use. 161/013 is the ”technical code”, recommended for GE internal communication. The error code listing currently contains almost 500 codes. Around 200 of these codes concern software errors which, by definition, should never occur. If a software error should occur, especially if it occurs several times, please inform Service Engineering, giving as many details as possible. The error code listing, below, only contains codes ccc/ddd, to facilitate technical communication.

Note:

*** : these 3 stars indicates an explanation at the end of this chapter (section 3) for a possible known root cause.

4–1

ERROR CODES

E

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Abbreviations used: IST: MNT: PM: HTPM: IPM: VRTX:

Installation Maintenance Photomultiplier PM high tension PM current Real time operating system

ERROR CODES

Where an error message refers to a signal with a ”French signal name”, the corresponding English language signal name is shown between parentheses.

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Gene CPU software error: VRTX error during init

002/001

Gene CPU software error: reboot by watch_dog_hard or reset button

002/002

Gene CPU software error: reboot by watch_dog_soft

002/003

Gene CPU: reboot after power micro–failure

002/004

Gene CPU software error: bus error

003/000

Gene CPU software error: address error

003/001

Gene CPU software error: format error

003/002

Gene CPU software error: illegal instruction

003/003

Gene CPU software error: privilege violation

003/004

Gene CPU software error: trace error

003/005

Gene CPU software error: emulation line 1010 error

003/006

Gene CPU software error: emulation line 1111 error

003/007

Gene CPU software error: CHK error

003/008

Gene CPU software error: TRAPV error

003/009

Gene interface: reset error

(see Chap. 1 Sect. 3)

004/001

Gene interface: read/write error on timer PTM1

(see Chap. 1 Sect. 3)

004/002

Gene interface: read/write error on timer PTM1

(see Chap. 1 Sect. 3)

004/003

Gene interface: read/write error on timer PTM2

(see Chap. 1 Sect. 3)

004/004

Gene interface: read/write error on timer PTM2

(see Chap. 1 Sect. 3)

004/005

Gene interface: interrupt error on DUART1

(see Chap. 1 Sect. 3)

004/006

Gene interface: PTM1 timer 1 defective

(see Chap. 1 Sect. 3)

004/007

Gene interface: PTM1 timer 2 defective

(see Chap. 1 Sect. 3)

004/008

Gene interface: PTM1 timer 3 defective

(see Chap. 1 Sect. 3)

004/009

Gene interface: PTM2 timer 1 defective

(see Chap. 1 Sect. 3)

004/010

Gene interface: PTM2 timer 2 defective

(see Chap. 1 Sect. 3)

004/011

Gene interface: PTM2 timer 3 defective

(see Chap. 1 Sect. 3)

004/012

Gene interface: interrupt error on PTM1 timer 1

(see Chap. 1 Sect. 3)

004/013

Gene interface: interrupt error on PTM1 timer 2

(see Chap. 1 Sect. 3)

004/014

Gene interface: interrupt error on PTM1 timer 3

(see Chap. 1 Sect. 3)

004/015

Gene interface: interrupt error on PTM2 timer 1

(see Chap. 1 Sect. 3)

004/016

Gene interface: interrupt error on PTM2 timer 2

(see Chap. 1 Sect. 3)

004/017

Gene interface: interrupt error on PTM2 timer 3

(see Chap. 1 Sect. 3)

004/018

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ERROR CODES

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MEANING OF CODE

CODE

Generator: fault at exposure command

006/000

Generator: fault at exposure command

006/001

Generator: signal kV_Inf_5 (Less_than_5kV) not rising

006/002

Generator: Signal En_Pose (Exposure_On) not rising

006/003

Generator: fatal security triggered during exposure

006/004

Generator: fatal security triggered at end of exposure or signal En_Pose (Exposure_On) stays ’high’

006/005

Generator: signal Secu_Rattrap (No_Fatal_Security) stays ’high’ after ’arcing recovery’

006/011

Gene init tests: one fatal security input <> 0; xxx identifies input. Access generator error log display for full error decoding.

007/xxx

Focus bias software error: unknown command

011/001

Focus bias software error: unknown task status

011/002

Focus bias: signal Pres_Polar (Bias_Presence) ’high’ in standby status

012/001

Focus bias: signal Pres_Polar (Bias_Presence) stays ’low’ when bias generation starts

012/002

Focus bias: signal Pres_Polar (Bias_Presence) goes ’low’ after stabilization

012/003

Focus bias: signal Pres_Polar (Bias_Presence) stays ’high’ after bias generation stopped

012/004

Anode starter software error: unknown command

016/001

Anode starter software error: unknown task status

016/002

Anode starter: signal Pres_Rotation (Rotation_Presence) ’high’ in standby status

017/001

Anode starter: signal Pres_Rotation (Rotation_Presence) not rising during acceleration to 9000 rpm

017/002

Anode starter: signal Pres_Rotation (Rotation_Presence) not rising during acceleration to 6000 rpm

017/003

Anode starter: signal Pres_Rotation (Rotation_Presence) goes ’low’ during rotation at 9000 rpm

017/004

Anode starter: signal Pres_Rotation (Rotation_Presence) goes ’low’ during rotation at 6000 rpm

017/005

Anode starter: signal Pres_Rotation (Rotation_Presence) goes ’low’ during rotation (speed < 9000 rpm)

017/006

Anode starter: signal Pres_Rotation (Rotation_Presence) goes ’low’ during rotation (speed < 6000 rpm)

017/007

Anode starter: signal Pres_Rotation (Rotation_Presence) stays ’high’ during 9000 rpm braking

017/008

Anode starter: signal Pres_Rotation (Rotation_Presence) stays ’high’ during 6000 rpm braking

017/009

Anode starter: signal Pres_Rotation (Rotation_Presence) stays ’high’ during rotor failure

017/010

Anode starter: signal Pres_Rotation (Rotation_Presence) stays ’low’ during rotation

017/011

Heater software error: unknown command

021/001

Heater software error: unknown task status

021/002

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MEANING OF CODE

CODE

Heater software error: Heater scaling parameters (ICH) or heater values are not valid

021/003

Heater track 1: signal Pres_Chauf (Heater_Presence) ’high’ in standby status

022/001

Heater track 1: signal Pres_Chauf (Heater_Presence) stays ’low’ when heater started

022/002

Heater track 1: signal Pres_Chauf (Heater_Presence) goes ’low’ during pre–heater phase

022/003

Heater track 1: signal Pres_Chauf (Heater_Presence) goes ’low’ during 1st trigger

022/004

Heater track 1: signal Pres_Chauf (Heater_Presence) goes ’low’ during exposure

022/005

Heater track 1: mA value not significant

022/006

Heater track 1: signal Pres_Chauf (Heater_Presence) goes ’low’ after exposure

022/007

Heater track 1: signal Pres_Chauf (Heater_Presence) stays ’high’ when heater stopped

022/008

Heater track 2: signal Pres_Chauf (Heater_Presence) ’high’ in standby status

023/001

Heater track 2: signal Pres_Chauf (Heater_Presence) stays ’low’ when heater started

023/002

Heater track 2: signal Pres_Chauf (Heater_Presence) goes ’low’ during pre–heater phase

023/003

Heater track 2: signal Pres_Chauf (Heater_Presence) goes ’low’ during 1st trigger

023/004

Heater track 2: signal Pres_Chauf (Heater_Presence) goes ’low’ during exposure

023/005

Heater track 2: mA value not significant

023/006

Heater track 2: signal Pres_Chauf (Heater_Presence) ’low’ after exposure

023/007

Heater track 2: signal Pres_Chauf (Heater_Presence) stays ’high’ when heater stopped

023/008

Grid sync software error: ACQ_NTR or ACQ_OVR received or unknown reply when starting

026/001

Grid sync software error: ACQ_NTR or ACQ_OVR received or unknown reply when stopping

026/002

Grid sync software error: unknown command

026/003

Grid sync software error: unknown task status

026/004

Grid sync: signal Synchro_Bras (Synchro_Arm) ’high’ in standby status

027/001

Grid sync: grid start signal not received or grid fault detected

027/002

Grid sync: signal Synchro_Bras (Synchro_Arm) ’low’ after grid start

027/003

Grid sync: grid stop signal not received or grid fault detected

027/004

Arm fatal failure: acknowledgment of the Grid Stop Motion command sent by the generator to the gantry not received by the generator

027/005

Arm fatal failure: Grid Stop Power command not received on time from the exposure automaton (time out on the reception 15s)

027/006

Generator: delay task software error: unknown command

031/001

Generator: delay task software error: unknown task status

031/002

HTPM/IPM software error: ACQ_NTR or ACQ_OVR received or unknown reply

036/001

HTPM/IPM software error: ACQ_NTR or ACQ_OVR received or unknown reply

036/002

HTPM/IPM software error: ACQ_NTR or ACQ_OVR received or unknown reply

036/003

4–5

ERROR CODES

REV 2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ERROR CODES

MEANING OF CODE

CODE

HTPM/IPM software error: ACQ_NTR or ACQ_OVR received or unknown reply

036/004

HTPM/IPM software error: ACQ_NTR or ACQ_OVR received or unknown reply

036/005

HTPM/IPM software error: unknown command

036/006

HTPM/IPM software error: unwanted command

036/007

HTPM/IPM software error: unknown task status

036/008

HTPM/IPM: HTPM reference not transmitted or HTPM fault

037/001

HTPM/IPM: IPM measurement request not transmitted or switch fault

037/002

HTPM/IPM: offset value outside tolerance

037/003

HTPM/IPM: HTPM measurement request not transmitted or switch fault

037/004

HTPM/IPM: invalid HTPM value (valid range = reference +/– 20% )

037/005

HTPM/IPM: IPM measurement request not transmitted after HTPM measurement or switch fault

037/006

HTPM/IPM: HTPM reference not transmitted when stopped or HTPM fault

037/007

Gene thermal protection software: VRTX error

041/001

Gene thermal protection software: VRTX error

041/002

Gene thermal protection software: VRTX error

041/003

Gene thermal protection software: VRTX error

041/004

Gene thermal protection software: unknown anode starter status

041/005

Gene thermal protection software: VRTX error

041/006

Gantry thermal protection software: VRTX error

046/001

Filter wheel software error: ACQ_NTR or ACQ_OVR received or unknown reply

051/001

Filter wheel software error: unknown command

051/002

Filter wheel software error: unknown task status

051/003

Filter wheel: filter change request not transmitted or filter fault

052/001

Focus software error: ACQ_NTR or ACQ_OVR received or unknown reply

056/001

Focus software error: unknown command

056/002

Focus software error: unknown task status

056/003

Focus: focus change request not transmitted or focus fault

057/001

Gene to gantry communication driver: no reply from gantry after 2 attempts

061/000

Gene to control panel communication driver: no reply from control panel after 2 attempts

062/000

Gene init tests: no gantry status feedback after 10 requests

063/006

Gene date/time: access timeout during dater init

066/000

Gene date/time: access timeout during read sequence

066/001

Gene date/time: access timeout during write sequence

066/002

Gene date/time: access timeout during time write sequence

066/003

4–6

GE Healthcare

SENOGRAPHE DMR+ sm 2240777–1–100

MEANING OF CODE

CODE

Generator: Zero divide

067/000

Generator: floating point calculation error. xxx is VRTX task number

068/xxx

Generator: checksum error on battery saved memory

071/081

Generator: timeout on signal Alim_Puis_OK (Inv_Supply_OK) (going ’low’ or ’high’)

071/082

Generator: error reading ’kV law table’ in 0 pt technique (AOP)

071/083

Exposure software error: ACQ_NTR or ACQ_OVR received at start of 1st trigger

072/001

Exposure software error: ACQ_NTR or ACQ_OVR received at end of 1st trigger

072/003

Exposure software error: unknown origin of aborted exposure

072/004

Exposure software error: aborted by PM in 2 pt technique

072/005

Exposure software error: unknown exposure technique

072/006

Gene software error: one system task (at least) not stable after a delay of 7 s when a Prepa is performed

072/007

Exposure software error: unknown task status

072/008

Exposure software error: 0 pt or 1 pt exposure and gantry absent

072/009

Gene software error (IST, standby): parameter display problem

073/001

Gene software error (IST, standby): unknown tube type

073/002

Gene software error (IST, standby): alpha=0.0 when calculating value P_NDac_HTPM

073/003

Gene software error (IST, standby): incorrect thickness for correlation calculation

073/004

Gene software error (IST, standby): bias calibration task problem

073/005

Gene software error (IST, standby): heater scale calibration task problem

073/006

Gene software error (IST, standby): HV/DAC calibration task problem

073/007

Gene software error (IST, standby): FREQ/HV calibration task problem

073/008

Gene software error (IST, standby): PM calibration task problem

073/009

Gene software error (IST, standby): PM calibration task problem

073/010

Gene software error (IST, standby): PM calibration task problem

073/011

Gene software error (IST, standby): PM calibration task problem

073/012

Gene software error (IST, standby): gantry connection task problem

073/013

Gene software error (IST, standby): gantry connection fault

073/014

Gene software error (IST, standby): gantry connection fault

073/015

Gene software error (IST, standby): gantry connection fault

073/016

Gene software error (IST, standby): mA measurement calibration problem

073/017

Gene software error (IST, exposure): unknown exposure end

074/001

Gene software error (IST, exposure): unknown gantry reply

074/002

Gene software error (IST, exposure): unknown gantry reply

074/003

Gene software error (IST, exposure): unknown exposure status

074/004

4–7

ERROR CODES

REV 2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ERROR CODES

MEANING OF CODE

CODE

Gene software error (MNT): anode starter speed impossible

075/010

Gene software error (MNT): anode starter: abnormal test task status

075/011

Gene software error (MNT): heater: impossible track

075/020

Gene software error (MNT): heater: abnormal test task status

075/021

Gene software error (MNT): heater: abnormal test task status

075/022

Gene software error (MNT): bias: abnormal test task status

075/030

Gene software error (MNT): HV test: abnormal test task status

075/040

Gene software error (MNT): gate test: abnormal test task status

075/041

Gene software error (MNT): inverter test: abnormal test task status

075/042

Gene software error (MNT): mA value: abnormal test task status

075/050

Gene software error (MNT): mA measurement: abnormal test task status

075/051

Gene software error (MNT): grid sync: abnormal test task status

075/060

Gene software error (MNT): PM test: abnormal test task status

075/070

Gene software error (MNT): PM test: abnormal test task status

075/071

Gene software error (MNT): PM test: measurement timeout

075/072

Gene software error (MNT): error codes: display problem

075/090

Gene software error (MNT): error codes: display problem

075/091

Gene software error (MNT): error codes: display problem

075/092

Gene software error (MNT): error codes: display problem

075/093

Gene software error (MNT): transfer: frame code error

075/100

Gene software error (MNT): transfer: abnormal transfer task (save) status

075/101

Gene software error (MNT): transfer: abnormal transfer task (save) status

075/102

Gene software error (MNT): transfer: abnormal state transfer task (load) status

075/103

Gene software error (MNT): transfer: abnormal state transfer task (load) status

075/104

Gene software error (MNT): transfer: unknown frame

075/105

Gene software error (MNT): transfer: end of loading error

075/106

Gene software error (MNT): transfer: abnormal transfer task (protocol) status

075/107

Gene init tests software error: timeout on system task

078/002

Gene init tests software error: defective function will self–identify

078/003

Gene init tests software error: defective function will self–identify

078/004

Gene init tests software error: defective function will self–identify

078/005

Gene init tests software error: error following VRTX request

078/128

Exposure aborted: timeout

079/001

Exposure aborted: heater fault ***

079/002

4–8

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

CODE

Exposure aborted: anode starter fault

079/003

Exposure aborted: power fault

079/004

Exposure aborted: generator fault

079/005

Exposure: no gantry acknowledgement (at start of 1st trigger) or gantry fault

079/006

Gantry fault detected before start of exposure

079/008

Exposure: no sync signal from gantry to start exposure

079/009

Exposure aborted by mA meter (0 pt or 1 pt technique)

079/010

Exposure: no gantry acknowledgement (at end of 1st trigger) or gantry fault

079/011

Gene (IST, exposure): heater fault

080/001

Gene (IST, exposure): anode starter fault

080/002

Gene (IST, exposure): power failure

080/003

Gene (IST, exposure): interface fault

080/004

Gene (IST, exposure): no gantry reply – timeout after 1 second

080/005

Gene (IST, exposure): gantry fault

080/006

Gene (IST, exposure): no gantry reply to exposure command

080/007

Gene (IST, exposure): no grid sync feedback after timeout

080/008

Gene: ’Endurance’ error code

082/000

Gene: ’Endurance’ error code

082/001

Gene: ’Endurance’ error code

082/010

Gene: ’Endurance’ error code

082/020

Gene: ’Endurance’ error code

082/030

Gene: ’Endurance’ error code

082/040

Communication error Digital system

083/000

Failure before exposure: rising Synchro_Grid signal not received from Gantry (after Graphy pushed)

084/008

Failure before exposure: rising Synchro_Grid signal not received from Gantry (after Graphy pushed and exposure start status received from the generator driver)

084/009

Generator: PROM checksum error

090/000

U–turn before end of pre–shot: The exposure time for the pre–shot (AOP mode) is greater than the grid motion duration until the first turn–back point.

097/026

U–turn before end of exposure: The exposure time for the exposure (manual and AOP mode) is greater than the grid motion duration until the first turn–back point.

097/027

Gantry software error: VRTX error during init

100/001

Gantry interface: Reset error

(see Chap. 1 Sect. 3)

101/001

Gantry interface: read/write error on timer PTM1

(see Chap. 1 Sect. 3)

101/002

Gantry interface: read/write error on timer PTM1

(see Chap. 1 Sect. 3)

101/003

4–9

ERROR CODES

MEANING OF CODE

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ERROR CODES

MEANING OF CODE

CODE

Gantry interface: read/write error on timer PTM2

(see Chap. 1 Sect. 3)

101/004

Gantry interface: read/write error on timer PTM2

(see Chap. 1 Sect. 3)

101/005

Gantry interface: interrupt error on DUART1

(see Chap. 1 Sect. 3)

101/006

Gantry interface: PTM1 timer 1 defective

(see Chap. 1 Sect. 3)

101/007

Gantry interface: PTM1 timer 2 defective

(see Chap. 1 Sect. 3)

101/008

Gantry interface: PTM1 timer 3 defective

(see Chap. 1 Sect. 3)

101/009

Gantry interface: PTM2 timer 1 defective

(see Chap. 1 Sect. 3)

101/010

Gantry interface: PTM2 timer 2 defective

(see Chap. 1 Sect. 3)

101/011

Gantry interface: PTM2 timer 3 defective

(see Chap. 1 Sect. 3)

101/012

Gantry interface: interrupt error on PTM1 timer 1

(see Chap. 1 Sect. 3)

101/013

Gantry interface: interrupt error on PTM1 timer 2

(see Chap. 1 Sect. 3)

101/014

Gantry interface: interrupt error on PTM1 timer 3

(see Chap. 1 Sect. 3)

101/015

Gantry interface: interrupt error on PTM2 timer 1

(see Chap. 1 Sect. 3)

101/016

Gantry interface: interrupt error on PTM2 timer 2

(see Chap. 1 Sect. 3)

101/017

Gantry interface: interrupt error on PTM2 timer 3

(see Chap. 1 Sect. 3)

101/018

Gantry interface: PROM checksum error

101/020

Gantry interface: unexpected interrupt received (level 2)

101/023

Gantry software error: unknown origin of task call

105/000

Gantry software error: boolean expected

105/001

Gantry software error: unknown generator grid request

105/002

Gantry software error: unknown generator request for HTPM/IPM switch

105/003

Gantry software error: unknown 1st trigger status

105/004

Gantry software error: unknown language choice requested by generator

105/005

Gantry software error: unknown generator command

105/006

Gantry software error: unknown VRTX error code

105/009

Gantry software error: unknown acknowledgement (light centering)

105/016

Gantry software error: unknown task command (light centering)

105/017

Gantry software error: unknown acknowledgement (compression)

105/020

Gantry software error: unknown task command (compression)

105/021

Gantry software error: unknown compression pedal status

105/023

Gantry software error: unknown acknowledgement (lateral collimator)

105/026

Gantry software error: unknown task command (lateral collimator)

105/027

Gantry software error: unknown acknowledgement (rear collimator)

105/030

Gantry software error: unknown task command (rear collimator)

105/031

4–10

GE Healthcare

SENOGRAPHE DMR+ sm 2240777–1–100

MEANING OF CODE

CODE

Gantry software error: unknown acknowledgement (filter wheel)

105/034

Gantry software error: unknown task command (filter wheel)

105/035

Gantry software error: unknown acknowledgement (tube angulation)

105/038

Gantry software error: unknown task command (tube angulation)

105/039

Gantry software error: unknown task command (format)

105/046

Gantry software error: unknown format

105/048

Gantry software error: unknown acknowledgement (column up/down)

105/049

Gantry software error: unknown task command (column up/down)

105/050

Gantry software error: unknown column command button status code

105/051

Gantry software error: unknown acknowledgement (arm rotation)

105/052

Gantry software error: unknown task command (compression arm rotation)

105/053

Gantry software error: unknown status code of compression arm rotation control button

105/054

Gantry software error: unknown acknowledgement (tube arm rotation)

105/055

Gantry software error: unknown task command (tube arm rotation)

105/056

Gantry software error: unknown status code of tube arm rotation control button

105/057

Gantry software error: unknown acknowledgement (grid)

105/063

Gantry software error: unknown event (grid)

105/065

Gantry software error: unknown acknowledgement (power calculation)

105/066

Gantry software error: unknown event (power calculation)

105/067

Gantry software error: unknown tube type

105/068

Gantry software error: unknown focus change code

105/069

Gantry software error: unknown filter code requested by generator

105/070

Gantry software error: unknown code for ’Exposure’/’No Exposure’ status management

105/071

Gantry software error: unknown exposure end code

105/072

Gantry software error: unknown ’Endurance’ code

105/073

Gantry software error: unknown ’Endurance’ event

105/074

Gantry/tube housing type configuration incompatibility (angulation/angulation)

105/080

Gantry/tube housing type configuration incompatibility (angulation/focus)

105/081

Gantry software error: column: unknown task return

106/002

Gantry software error: column: unknown task status

106/003

Gantry software error: column: unknown task status

106/004

Gantry software error: column: unknown task status

106/005

Gantry software error: column: unknown task status

106/006

Gantry software error: column: unknown order transmitted to task

106/007

4–11

ERROR CODES

REV 2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ERROR CODES

MEANING OF CODE

CODE

Gantry software error: compression: too long between task calls

107/001

Gantry software error: compression: unknown task return

107/002

Gantry software error: compression: unknown task status

107/003

Gantry software error: compression: unknown order transmitted to task

107/004

Gantry software error: lateral collimator: positioning timeout

108/001

Gantry software error: lateral collimator: unknown task return

108/002

Gantry software error: lateral collimator: unknown task status

108/003

Gantry software error: lateral collimator: unknown task status

108/004

Gantry software error: lateral collimator: unknown task status

108/005

Gantry software error: lateral collimator: unknown order transmitted to task

108/006

Gantry software error: lateral collimator: unknown order transmitted to task

108/007

Gantry software error: lateral collimator: position reference value is outside tolerance

108/008

Gantry software error: rear collimator: positioning timeout

109/001

Gantry software error: rear collimator: unknown task return

109/002

Gantry software error: rear collimator: unknown task status

109/003

Gantry software error: rear collimator: unknown task status

109/004

Gantry software error: rear collimator: unknown task status

109/005

Gantry software error: rear collimator: unknown order transmitted to task

109/006

Gantry software error: rear collimator: unknown order transmitted to task

109/007

Gantry software error: rear collimator: position reference value is outside tolerance

109/008

Gantry software error: tube angulation: unknown task status

111/002

Gantry software error: tube angulation: unknown task return

111/003

Gantry software error: tube angulation: unknown task status

111/004

Gantry software error: tube angulation: unknown task status

111/005

Gantry software error: tube angulation: unknown order transmitted to task

111/006

Gantry software error: tube angulation: unknown order transmitted to task

111/007

Gantry software error: tube angulation: position reference value is outside tolerance

111/008

Gantry software error: tube angulation: task triggered by timeout

111/017

Gantry software error: filter wheel: unknown task return

112/000

Gantry software error: filter wheel: unknown task status

112/001

Gantry software error: filter wheel: unknown task status

112/002

Gantry software error: filter wheel: unknown task status

112/003

Gantry software error: filter wheel:

112/004

Gantry software error: filter wheel: unknown order transmitted to task

112/005

4–12

GE Healthcare

SENOGRAPHE DMR+ sm 2240777–1–100

MEANING OF CODE

CODE

Gantry software error: light centering: unknown order transmitted to task

114/000

Gantry software error: unknown set–up message

117/000

Gantry set–up access: generator end of exposure timeout

117/002

Gantry set–up access: communication sync problem at set–up access

117/003

Gantry software error: grid: task triggered by timeout (calibration time too long)

118/000

Gantry software error: grid: unknown task return

118/001

Gantry software error: grid: unknown task status

118/002

Gantry software error: grid: unknown task status

118/003

Gantry software error: grid: unknown task status

118/004

Gantry software error: grid: unknown order transmitted to task

118/005

Gantry software error: grid: unknown order transmitted to task

118/006

Grid movement: overcurrent detected

118/007

Grid movement: grid calibration time too long

118/008

Grid movement: overcurrent detected

118/009

Grid movement: invalid offset

118/010

Grid movement: invalid gain

118/011

Grid movement: limit of travel not found

118/012

Gantry software error: arm lock: unknown task return

120/000

Gantry software error: arm lock: unknown task status

120/001

Gantry software error: arm lock: unknown task status

120/002

Gantry software error: arm lock: unknown order transmitted to task

120/003

Gantry software error: rot. brake: unknown order transmitted to task

121/000

Gantry software error: rot. brake: unknown task status

121/001

Gantry software error: rot. brake: unknown task status

121/002

Gantry software error: rot. brake: unknown task return

121/003

Gantry software error: rot. brake: unknown order transmitted to task

121/004

Gantry software error: Reset triggered by Watch_dog_soft

122/007

Gantry software error: grid sensor Presence_Trame (Grid_Presence) not ’high’ or ’low’

122/013

Gantry software error: tube housing thermal contact not ’high’ or ’low’

122/014

Gantry: checksum error on battery saved memory

151/000

Gantry interface: unexpected interrupt received (level 0)

151/021

Gantry interface: unexpected interrupt received (level 1)

151/022

Gantry ’Endurance’ error code: synchronisation

153/075

Gantry ’Endurance’ error code: column

153/076

4–13

ERROR CODES

REV 2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ERROR CODES

MEANING OF CODE

CODE

Gantry ’Endurance’ error code: compression

153/077

Gantry ’Endurance’ error code: compression arm rotation

153/078

Gantry ’Endurance’ error code: tube housing arm rotation

153/079

Gantry ’Endurance’ error code: lateral collimator

153/080

Gantry ’Endurance’ error code: rear collimator

153/081

Gantry ’Endurance’ error code: light centering device

153/082

Gantry ’Endurance’ error code: filter

153/083

Gantry ’Endurance’ error code: grid movement

153/084

Gantry ’Endurance’ error code: tube housing angulation

153/085

Gantry ’Endurance’ error code: other function

153/086

Tube housing type/gantry configuration incompatibility (focus/angulation)

155/082

Tube housing type/gantry configuration incompatibility (focus/angulation)

155/083

Column up/down: Both end of travel sensors are closed

156/008

Column up/down: is locked in both directions (from speed measurement)

156/009

Column up/down: signal Pres_Log_Asc (Column_Soft_Pres) too long in ’low’ status

156/010

Column up/down: signal Pres_Log_Asc (Column_Soft_Pres) too long in ’low’ status

156/011

Column up/down: signal Pres_Log_Asc (Column_Soft_Pres) too long in ’high’ status

156/012

Column up/down: signals Asc_Inactif & R_On_Asc (Column_Power_Inactive & On_Column_Return) both ’high’

156/013

Column up/down: Pres_Log_Asc*Pres_Oper_Asc*On_Asc (Column_Soft_Pres*Column_Operator_Pres*On_Column) = 1 & R_On_Asc (On_Column_Return) = 0

156/014

Column up/down: Pres_Log_Asc*Pres_Oper_Asc*On_Asc (Column_Soft_Pres*Column_Operator_Pres*On_Column) = 0 & R_On_Asc (On_Column_Return) = 0 & Asc_Inactif (Column_Power_Inactive) = 1

156/015

Power shutdown: uncontrolled movement risk (column);Asc_Inactif & R_On_Asc (Column_Power_Inactive & On_Column_Return) both ’low’

156/016

Power shutdown: uncontrolled movement risk (column);Asc_Inactif (Column_Power_Inactive) ’low’ & column defective

156/017

Power shutdown: uncontrolled movement risk (column); signal Asc_Inactif (Column_Power_Inactive) ’high’ during init

156/018

Column up/down: signal R_On_Asc (On_Column_Return) ’high’ during init

156/019

Column up/down: direction of movement is opposite to the desired direction

156/020

Column up/down: ’up’ end of travel sensor is defective

156/021

Column up/down: ’down’ end of travel sensor is defective

156/022

Power shutdown: uncontrolled movement risk (column); R_On_Asc (On_Column_Return) ’high’ without legal command

156/023

Column up/down: column is driven up but measured speed = 0 cm/s

156/024

4–14

GE Healthcare

SENOGRAPHE DMR+ sm 2240777–1–100

MEANING OF CODE

CODE

Column up/down: column is driven down but measured speed = 0 cm/s

156/025

Column up/down: emergency stop produced if movement continues more than 500 mS after command release

156/027

Compression: motor slipping during reference search ***

157/005

Compression: abnormal immobility of paddle ***

157/006

Compression: loss of steps detected at reference crossing ***

157/007

Compression: abnormal step generation detected (during init)

157/008

Compression: signal Valid_Comp (Comp_Valid) cannot inhibit paddle movement (during init)

157/009

Compression: counter used by force sensor no longer incremented ***

157/010

Compression: position sensor closed too long during compression

157/011

Compression: no reference crossing during decompression ***

157/012

Compression: signal Pres_Oper (Operator_Presence) cannot inhibit paddle movement (during init)

157/013

Compression: signal Pres_Ajust (Comp_Adjust) too long in ’low’ status

157/014

Compression: signal Pres_Ajust (Comp_Adjust) too long in ’high’ status

157/015

Compression: signal Pres_Log_Comp (Comp_Soft_Pres) cannot inhibit paddle movement (during init)

157/016

Compression: signal Pres_Log_Comp (Comp_Soft_Pres) too long in ’low’ status

157/017

Compression: signal Pres_Log_Comp (Comp_Soft_Pres) too long in ’high’ status

157/018

Compression: power supply problem (signal Alim_OK (Power_Supply_Active))

157/020

Compression: phase1 & phase2 cannot be ’low’ at the same time (during init)

157/021

Compression: signal Pres_Log_Comp (Comp_Soft_Pres) ’high’ (during init)

157/022

Compression: slipping during decompression movement ***

157/023

Lateral collimator motor: loss of steps detected at reference crossing

158/009

Lateral collimator motor: loss of steps detected at reference crossing

158/010

Lateral collimator motor: loss of steps detected at reference crossing

158/011

Lateral collimator motor: loss of steps detected at reference crossing

158/012

Lateral collimator: no reference crossing during movement

158/013

Lateral collimator: no reference crossing during movement

158/014

Lateral collimator: no reference crossing during movement

158/015

Lateral collimator: no reference crossing during movement

158/016

Lateral collimator: optical sensor detection problem

158/017

Lateral collimator: optical sensor detection problem

158/018

Lateral collimator: slipping during collimator movement ***

158/019

Rear collimator motor: loss of steps detected at reference crossing

159/009

4–15

ERROR CODES

REV 2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ERROR CODES

MEANING OF CODE

CODE

Rear collimator motor: loss of steps detected at reference crossing

159/010

Rear collimator motor: loss of steps detected at reference crossing

159/011

Rear collimator motor: loss of steps detected at reference crossing

159/012

Rear collimator: no reference crossing during movement

159/013

Rear collimator: no reference crossing during movement

159/014

Rear collimator: no reference crossing during movement

159/015

Rear collimator: no reference crossing during movement

159/016

Rear collimator: optical sensor detection problem

159/017

Rear collimator: optical sensor detection problem

159/018

Rear collimator: slipping during collimator movement ***

159/019

Front collimator motor: loss of steps detected at reference crossing

160/009

Front collimator motor: loss of steps detected at reference crossing

160/010

Front collimator motor: loss of steps detected at reference crossing

160/011

Front collimator motor: loss of steps detected at reference crossing

160/012

Front collimator: no reference crossing during movement

160/013

Front collimator: no reference crossing during movement

160/014

Front collimator: no reference crossing during movement

160/015

Front collimator: no reference crossing during movement

160/016

Front collimator: optical sensor detection problem

160/017

Front collimator: optical sensor detection problem

160/018

Front collimator: slipping during collimator movement ***

160/019

Tube housing angulation: no reference crossing during movement

161/000

Tube housing angulation: no reference crossing during movement

161/001

Tube housing angulation: loss of steps detected at reference crossing

161/009

Tube housing angulation: loss of steps detected at reference crossing

161/010

Tube housing angulation: loss of steps detected at reference crossing

161/011

Tube housing angulation: loss of steps detected at reference crossing

161/012

Tube housing angulation: no reference crossing during movement

161/013

Tube housing angulation: no reference crossing during movement

161/014

Tube housing angulation: no reference crossing during movement

161/015

Tube housing angulation: no reference crossing during movement

161/016

Filter wheel: step number error between two references

162/006

Filter wheel: step number error between two references

162/007

Filter wheel: step number error between two references

162/008

4–16

GE Healthcare

SENOGRAPHE DMR+ sm 2240777–1–100

MEANING OF CODE

CODE

Filter wheel: step number error between two references

162/009

Filter wheel: step number error between two references

162/010

Filter wheel: no reference crossing during rotation

162/011

Filter wheel: in standby, wheel moved from stable position

162/012

Light centering device: signal Centreur_OK (Light_Centering_OK) too long in ’low’ status

164/001

Grid movement: power supply problem (signal Alim_OK (Power_Supply_Active))

168/020

Inter–arm lock: signal Pres_Log_Ver (Lock_Soft_Pres) too long in ’low’ status

170/005

Inter–arm lock: signal Pres_Log_Ver (Lock_Soft_Pres) too long in ’high’ status

170/006

Power shutdown: uncontrolled movement risk (arm lock); Eta_Verrou_Off (Lock_Power_Inactive) ’low’ during init

170/007

Power shutdown: uncontrolled movement risk (arm lock); Eta_Verrou_Off & R_On_Verrou (Lock_Power_Inactive & On_Lock_Return) both ’low’

170/008

Inter–arm lock: signals Eta_Verrou_Off & R_On_Verrou (Lock_Power_Inactive & On_Lock_Return) both in ’high’ status

170/009

Inter–arm lock: R_On_Verrou (On_Lock_Return) = 0 & Pres_Log_Ver*Pres_Oper_Ver*On_Verrou (Lock_Soft_Pres*Lock_Oper_Pres*On_Lock) =1

170/010

Inter–arm lock: signal R_On_Verrou (On_Lock_Return) ’high’ without legal command

170/011

Inter–arm lock: signal R_On_Verrou (On_Lock_Return) ’high’ during init

170/012

Power shutdown: uncontrolled movement risk (arm lock); R_On_Verrou (On_Lock_Return) ’high’ without legal command

170/013

Arm rot. brake: signal Pres_Log_Frein_Rot (Rot_Brake_Soft_Pres) from compression arm too long in ’low’ status

171/005

Arm rot. brake: signal Pres_Log_Frein_Rot (Rot_Brake_Soft_Pres) from compression arm too long in ’high’ status

171/006

Arm rot. brake: signal R_On_Frein (On_Brake_Return) ’high’, but signal Eta_Rot_Off (Rotat_Power_Inactive) ’low’

171/007

Arm rot. brake: Pres_Log_Frein_Rot*Pres_Oper*On_Frein_Rot (Rot_Brake_Soft_Pres*Operator_Present*On_Rotation_Brake) = 1 & R_On_Frein_Rot (On_Rotation_Brake_Return) = 0

171/008

Arm rot. brake: signal R_On_Frein_Rot (On_Rotation_Brake_Return) ’high’ without legal command

171/009

Power shutdown: uncontrolled movement risk (arm brake); Eta_Rot_Off (Rotat_Power_Inactive) & R_On_Frein_Rot (On_Rotation_Brake_Return) are ’low’

171/010

Power shutdown: uncontrolled movement risk (arm brake); Eta_Rot_Off (Rotat_Power_Inactive) ’low’ & comp. arm defective

171/011

Power shutdown: uncontrolled movement risk (arm brake); Eta_Rot_Off (Rotat_Power_Inactive) ’low’ during init

171/012

Arm rot. brake: signal R_On_Frein_Rot (On_Rotation_Brake_Return) ’high’ during init

171/013

Power shutdown: uncontrolled movement risk (arm brake); R_On_Frein_Rot (On_Rotation_Brake_Return) ’high’ without legal command

171/014

4–17

ERROR CODES

REV 2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ERROR CODES

MEANING OF CODE

CODE

Angle sensor failure; rotation angle sensor frequency too high or too low

171/015

Angle sensor failure; rotation angle sensor in “dead” area for more than 30 sec

171/016

Angle sensor failure; rotation angle sensor in dead area for a short time

171/017

Angle sensor failure; rotation angle sensor not stabilized after movement

171/018

Angle sensor failure; rotation angle sensor output change exceeded 5 degrees for more than a minute, with no arm movement.

171/019

Angle sensor failure; rotation angle sensor output change exceeded 5 degrees for more than a minute, with no arm movement

171/020

Angle sensor failure; rotation angle sensor output changed by more than 20 degrees, with no arm movement

171/021

Angle sensor failure; rotation angle sensor output changed by more than 20 degrees, with no arm movement

171/022

Angle sensor failure; rotation angle sensor output changed by more than 20 degrees, with no arm movement

171/023

Angle sensor failure; rotation angle sensor output changed by more than 20 degrees, with no arm movement

171/024

Magnification sensor: unknown magnification code

172/003

Gantry interface: arm lock temperature calculation problem

172/004

Gantry interface: Bouclage_OK (Loops_OK) signal ’low’ during init

172/005

Power failure due to CPU reset ***

172/006

Gantry interface: date write error

172/007

Gantry interface: time write error

172/008

Button interlock: signal Presence_Operateur (Operator_Pres) too long in ’high’ status

172/009

Button interlock: signal Presence_Operateur (Operator_Pres) too long in ’low’ status

172/010

SID sensor: unknown SID code

172/011

Arm angulation sensor: unknown angulation code

172/012

Gantry interface: date/time function read error

172/014

Signal On_Asc (On_Column) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/015

Signal On_Centreur (On_Light_Centering) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/016

Signal On_Comp ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/017

Signal On_Frein (On_Rotation_Brake) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/018

Signal On_Verrou (On_Lock) (Arm lock) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/019

Signal On_Trame (On_Grid) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/020

Signal Mot_Diaph_L_1 (Lat_Diaph_Motor_1) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/021

Signal Mot_Diaph_L_2 (Lat_Diaph_Motor_2) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/022

4–18

GE Healthcare

SENOGRAPHE DMR+ sm 2240777–1–100

MEANING OF CODE

CODE

Signal Mot_Diaph_A_1 (Rear_Diaph_Motor_1) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/023

Signal Mot_Diaph_A_2 (Rear_Diaph_Motor_2) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/024

Signal Mot_Gaine_1 (Housing_Motor_1) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/025

Signal Mot_Gaine_2 (Housing_Motor_2) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/026

Signal Mot_Filtre_1 (Filter_Motor_1) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/027

Signal Mot_Filtre_2 (Filter_Motor_2) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/028

Signal R_Standby_Gaine (Housing_Standby_Return) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/029

Signal R_Standby_Filtre (Filter_Standby_Return) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/030

Signal R_Standby_Diap_L (Lat_Diaph_Standby_Return) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/031

Signal R_Standby_Diap_P (Rear_Diaph_Standby_Return) ’high’ but Bouclage_OK (Loops_OK) still ’low’

172/032

Compression: one pedal pressed and signal Pres_Pedale (Pedal_Presence) ’low’

172/055

Compression: no pedal pressed and signal Pres_Pedale (Pedal_Presence) ’high’

172/056

Fuse fault: signal Fuse_OK ’low’

172/064

Power supply: ’ISO’ supply defective on 800–PL4

172/065

Power supply: ’+15V’ supply defective on 800–PL2

172/067

Power supply: one (or more) supplies defective on 800–PL1 (except +27V)

172/068

Power micro–failure detected

172/088

4–19

ERROR CODES

REV 2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

SECTION 3 ERROR CODES: KNOWN ROOT CAUSES

071/081: Generator checksum error: check + 5.1V (see Job Card IST022) and Lithium battery. 079/002 + 023/006: no mA measurement; change 701PL1 (kV/mA board). 157/005: check for play between compression motor axis and pulley (screw not tightened). 157/006: check for bad feedback from the compression encoder. 157/007: check for defective cable on the compression steel spring. 157/010: loss of compression feedback; a square wave should be always present between TP 14 and TP1 (0V) of 800PL2. 157/012: check cable between 800PL8 and 800PL5. 157/023: check for play between compression motor axis and pulley (screw not tightened).

ERROR CODES

158/019: check for play between collimator lateral motor axis and pulley (screw not tightened). Possible problem with 800PL1 (Gantry power board). 159/019: check for play between collimator rear motor axis and pulley (screw not tightened). 160/019: check for mechanical play between collimator front motor axis and blade (screw not tightened). check for poor position of the flag in optocoupler fork. check the calibration of front blade in IST030. 171/019 and 171/020: reset DMR. check for friction point in sensor; change if necessary. If problem persists, note software version and call your OLC. 171/021 and 171/024: reset DMR. check sensor, connections, and board 800PL5, change if necessary. 172/006: if appearing at power on, the gantry interface board is probably defective.

4–20

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

CHAPTER 5ILLUSTRATION 2TABLE 3 – SIGNAL LISTS/GLOSSARIES                                                                                       !"#$! %  &'(                       )%  !"#$! %  &#(                                  )%*  #+" % ' &(                   )%,-

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SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

SIGNAL LISTS

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SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

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GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

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REV 2

sm 2240777–1–100



       



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REV 2

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SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

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REV 2

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REV 2

SIGNAL LISTS

     

sm 2240777–1–100

  

 

     

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SIGNAL LISTS

     

sm 2240777–1–100

GE Healthcare

SENOGRAPHE DMR+

REV 2

SIGNAL LISTS

     

sm 2240777–1–100

  

 

     

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SENOGRAPHE DMR+

REV 2

  

 

     

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SIGNAL LISTS

     

sm 2240777–1–100

GE Healthcare

SENOGRAPHE DMR+

REV 2

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5–54

     

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

CHAPTER 6 – RENEWAL PARTS

TABLE OF CONTENTS ILLUSTRATION

TITLE

PAGE

6–1

LOCATION OF SUBASSEMBLIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2

6–2

LOCATION OF BOARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–4

6–3

SENOGRAPHE DMR+ EMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–7

6–4

GENERATOR CABINET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–11

6–5

GENERATOR CABINET WITHOUT HV UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–13

6–6

GENERATOR CABINET, SEMI–ASSEMBLED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–15

6–7

200–EMC LINE SUPPLY UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–17

6–8

200–EQUIPPED LINE POWER PLATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–19

6–9

200–EQUIPPED LINE SUPPLY CONTROL PLATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–21

6–10

LINE FILTER BOX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–23

6–11

300–EQUIPPED CONVERTER POWER PLATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–25

6–12

400–EQUIPPED CONTROL PLATE 2110150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–27

6–13

SET OF GENERATOR CABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–29

6–14

701–EQUIPPED HV UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–31

6–15

CONSOLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–33

6–16

SET OF COVERS – COVERS MOUNTING HARDWARE . . . . . . . . . . . . . . . . . . . . . . . . . . 6–35

6–17

800–GANTRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–37

6–18

COLUMN ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–39

6–19

PEDESTAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–41

6–20

ELEVATOR ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–43

6–21

EQUIPPED MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–45

6–22

EQUIPPED STRUCTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–47

6–23

ASSEMBLED GANTRY BOARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–49

6–24

MAIN HARNESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–51

6–25

EXAMINATION ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–53

6–26

EXAMINATION ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–55

6–27

EXAMINATION ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–59

6–28

EXAMINATION ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–61

6–29

TUBE HOUSING SPACER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–63

6–30

SET OF CABLES, TUBE HOUSING SPACER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–67

6–i

RENEWAL PARTS

ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

TABLE OF CONTENTS (CONT.) ILLUSTRATION

TITLE

PAGE

IMAGE RECEPTOR IMAGE RECEPTOR DMR+ WITHOUT CELL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–69

6–32

PADDLE FASTENER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–71

6–33

ELECTROMAGNET MOUNT ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–73

6–34

SID BRAKING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–75

6–35

SET OF CABLES, COMPRESSION ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–77

6–36

ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–79

6–37

EMERGENCY MAINTENANCE KIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–83

6–38

OPTIONAL ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–87

RENEWAL PARTS

6–31

6–ii

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ABBREVIATIONS ITEM NO. – –6

FRU 1 2 N

Not illustrated. Item No. 6 not illustrated.

Field Replaceable Unit. Critical. Not critical. Not available.

REP Y

Repairable.

QTY

APP

Previously listed as an assembly or subassembly. As required.

Applies to. Viewing direction. Renewal Parts

RENEWAL PARTS

PL AR

6–1

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–1 LOCATION OF SUBASSEMBLIES

SENOGRAPHE DMR+ EMC ILL. 6–3 X–RAY TUBE/TUBE HOUSING ILL. 6–3

OPTIONAL ACCESSORIES ILL. 6–38 701–EQUIPPED HV UNIT ILL. 6–14 200–EMC LINE SUPPLY UNIT ILL. 6–7 thru 6–10 400–EQUIPPED CONTROL PLATE ILL. 6–12 300–EQUIPPED CONVERTER POWER PLATE ILL. 6–11 SET OF GENERATOR CABLES ILL. 6–13

ACCESSORIES ILL. 6–36

100–CONSOLE CDRH ILL. 6–15

RENEWAL PARTS

SET OF COVERS ILL. 6–16 COVERS MOUNTING HARDWARE ILL. 6–16

EMERGENCY MAINTENANCE KIT ILL. 6–37

GENERATOR CABINET ILL. 6–4 GENERATOR CABINET WITHOUT HV UNIT ILL. 6–5 GENERATOR CABINET, SEMI–ASSEMBLED ILL. 6–6

6–2

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

800–GANTRY ILL. 6–17 TUBE HOUSING SPACER ILL. 6–29 SET OF CABLES, TUBE HOUSING SPACER ILL. 6–30

READOUT UNIT ILL. 6–17 COLUMN ASSY ILL. 6–18 PEDESTAL ILL. 6–19 ELEVATOR ASSY ILL. 6–20 EQUIPPED MOTOR ILL. 6–21 EQUIPPED STRUCTURE ILL. 6–22

PADDLE FASTENER ASSEMBLY ILL. 6–32

IMAGE RECEPTOR ILL. 6–31 PHOTOCELL ASSEMBLY ILL. 6–31

ELECTROMAGNET MOUNT ASSEMBLY ILL. 6–33

EXAMINATION ARM ILL. 6–25 thru 6–28 SET OF CABLES, COMPRESSION ARM ILL. 6–35

ASSEMBLED GANTRY BOARDS ILL. 6–23

SID BRAKING SYSTEM ILL. 6–34

MAIN HARNESS ILL. 6–24

RENEWAL PARTS

ARM ANGULAR DETECTOR ILL. 6–27

6–3

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–2 LOCATION OF BOARDS

OPERATOR BOARD CONSOLE CONTROL BOARD

701–PL1 200–PL1 200–PL2 400–PL1 400–PL2 400–PL3 300–PL2 300–PL1

RENEWAL PARTS

100–PL1 100–PL2

6–4

KVMA BOARD MAINS–POWER BOARD SUPPLY COMMAND BOARD GENERATOR COMMAND BOARD GENERATOR INTERFACE BOARD GENERATOR CPU BOARD ANODE STARTER BOARD INVERTER BOARD

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

800–PL6

TUBE HOUSING ARM DISTRIBUTION BOARD

800–PL11 ENCODER BOARD 800–PL16 INTER–ARM–LOCK COMMAND BOARD

800–PL12 GANTRY READOUT BOARD 800–PL5

COMPRESSION ARM DISTRIBUTION BOARD

800–PL14 MAGNIFICATION SENSOR BOARD SID SENSOR BOARD

800–PL3

GANTRY CPU BOARD

800–PL4

PHOTOCELL BOARD

800–PL2

GANTRY INTERFACE BOARD

800–PL1

GANTRY POWER BOARD

ENCODER BOARD

800–PL8

PADDLE BOARD

800–PL15 INTER ARM TILT SENSOR BOARD 800–PL10 IMAGE RECEPTOR BOARD

800–PL13 ENCODER BOARD

RENEWAL PARTS

800–PL7

800–PL9

6–5

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–3 SENOGRAPHE DMR+ EMC

8 9

4

2

5

RENEWAL PARTS

3 6

1

6–6

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–3 SENOGRAPHE DMR+ EMC

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

–

N

SENOGRAPHE DMR+ EMC

1

1

N

S GENERATOR CABINET (SEE ILL. 6–4)

1

S 100–MAMMO CONSOLE (SEE ILL. 6–15)

1

2

–

2282675–6

1

Y

3

N

S SET OF COVERS (SEE ILL. 6–16)

1

4

N

S 800–GANTRY (SEE ILL. 6–17)

1

5

N

S ACCESSORIES (SEE ILL. 6–36)

1

6

N

S COVERS MOUNTING HARDWARE (SEE ILL. 6–16)

1

7

N

S IDENTIFICATION KIT, DMR+

1

–

N

S S IDENTIFICATION, SENO DMR+ V2 CDRH ASSY

1

–

N

S S IDENTIFICATION, AEC/AOP, SENO DMR+

1

–

N

S S IDENTIFICATION, HV UNIT, SENO DMR+ CDRH

1

–

N

S S IDENTIFICATION, COLLIMATOR, SENO DMR+ CDRH

1

–

N

S S IDENTIFICATION, IMAGE RECEPTOR, SENO DMR+ CDRH

1

–

N

S S IDENTIFICATION, GANTRY, SENO DMR+

1

8

2244810

2

S S FRONT STRIP, SILK–SCREENED

1

9

2218375

1

S X–RAY TUBE/TUBE HOUSING MAXIRAY 70TH–F (D4172M)

1

–

2105128

2

S S THERMOSTAT 65HC (WIRED)

1

N

S TECHNICAL PUBLICATION, SENOGRAPHE DMR+

1

– 10 – 11

2233530–101

2

S S OPERATOR MANUAL (FRENCH)

1

– 12

2233530–100

2

S S OPERATOR MANUAL (ENGLISH)

1

– 13

2233530–106

2

S S OPERATOR MANUAL (SPANISH)

1

– 14

2233530–108

2

S S OPERATOR MANUAL (GERMAN)

1

– 15

2233530–111

2

S S OPERATOR MANUAL (ITALIAN)

1

– 16

2233530–127

2

S S OPERATOR MANUAL (PORTUGUESE)

1

– 17

2233530–140

2

S S OPERATOR MANUAL (JAPANESE)

1

– 18

2240777–100

1

S S SERVICE MANUAL (ENGLISH)

1

– 19

2118407–104

1

S S PIM (ENGLISH)

1

– 20

2240907–100

1

S S SCHEMATIC (ENGLISH)

1

– 21

2157897

2

S FLOPPY MAMMOCOM V1.16

1

– 22

2248747

2

S FLOPPY DATACONVERTER V5.10

1

6–7

RENEWAL PARTS

1 2 3 4 5

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–3 SENOGRAPHE DMR+ EMC (Continued)

8 9

4

2

5

RENEWAL PARTS

3 6

1

6–8

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–3 SENOGRAPHE DMR+ EMC (Continued)

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

– 23

N

S SERVICE KITS

1

2149958

1

S S SET OF FUSES

1

–

36006659

1

S S KIT COMPRESSION BELTS

1

–

2248165

1

S S KIT FOR COMPRESSION CABLE MOUNTED ON BELT

1

–

2120544

1

S S SET OF CAPS (4 TYPES)

1

– 24

36003399

1

HEATER CURRENT & BIAS TOOL

1

– 25

2148150

1

RESOLUTION PATTERN HOLDER (TOOL)

1

– 26

46–194427P407

1

MAMMO COMPRESSION SCALE (TOOL)

1

–

OPTIONAL ACCESSORIES (SEE ILL. 6–38)

– 27

RENEWAL PARTS

–

6–9

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–4 GENERATOR CABINET

RENEWAL PARTS

1

2 701

6–10

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–4 GENERATOR CABINET

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

N

GENERATOR CABINET

1

N

S GENERATOR CABINET WITHOUT HV UNIT (SEE ILL. 6–5)

1

1

S 701–EQUIPPED HV UNIT (SEE ILL. 6–14)

1

2

2107399

PL

RENEWAL PARTS

–

6–11

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–5 GENERATOR CABINET WITHOUT HV UNIT

A

A

1

4

3

RENEWAL PARTS

2

6–12

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–5 GENERATOR CABINET WITHOUT HV UNIT

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

N

GENERATOR CABINET WITHOUT HV UNIT

PL

1

N

S GENERATOR CABINET, SEMI ASSEMBLED (SEE ILL. 6–6)

1

2

N

S 200–EMC LINE SUPPLY UNIT (SEE ILL. 6–7)

1

3

N

S 300–EQUIPPED CONVERTER POWER PLATE (SEE ILL. 6–11)

1

4

N

S 400–EQUIPPED CONTROL PLATE (SEE ILL. 6–12)

1

5

N

S SET OF GENERATOR CABLES (SEE ILL. 6–13)

1

RENEWAL PARTS

–

–

6–13

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–6 GENERATOR CABINET, SEMI–ASSEMBLED

1

2

RENEWAL PARTS

3

4

6–14

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–6 GENERATOR CABINET, SEMI–ASSEMBLED

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

GENERATOR CABINET, SEMI–ASSEMBLED

PL

91727258

1

S TRANSPORTATION WHEEL

4

2

91719024

2

S FIXED JACK D=40 M10X25

4

3

2231719

2

S SMALL PANEL PAINTED

2

4

2248323

2

S LARGE PANEL PAINTED

2

RENEWAL PARTS

1

6–15

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–7 200–EMC LINE SUPPLY UNIT

7 W12

3

1

6

2

W10

8

RENEWAL PARTS

W14

4

6–16

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–7 200–EMC LINE SUPPLY UNIT

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

200–EMC LINE SUPPLY UNIT

1

S TRANSFORMER 9KW 52A 415V

1

2

N

S 200–EQUIPPED LINE POWER PLATE (SEE ILL. 6–8)

1

3

N

S 200–EQUIPPED LINE SUPPLY CONTROL PLATE (SEE ILL. 6–9)

1

4

N

S LINE FILTER BOX (SEE ILL. 6–10)

1

5

N

S SET OF LINE SUPPLY CABLES

1

1

6

2110066

2

S S CABLE REL/CTRS (W10)

1

7

2110067

2

S S CABLE PSRS/CTRS (W12)

1

8

2111145

2

S S LINE SUPPLY CONTACTOR CABLE V2 (W14)

1

–

N

S S HARNESS (W15)

1

–

N

S S LINE SUPPLY HARNESS (W11)

1

RENEWAL PARTS

–

2262737

PL

6–17

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–8 200–EQUIPPED LINE POWER PLATE

2 200–PL1

RENEWAL PARTS

1

6–18

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–8 200–EQUIPPED LINE POWER PLATE

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

200–EQUIPPED LINE POWER PLATE

PL

S EQUIPPED, WIRED FAN

1

S 200–PL1 MAINS DISTRIBUTION BOARD

1

45560072

1

2

2108592–2

1

K1, K2

2100312

1

S S RELAY 12VDC 1T 150W 5A 3VDC

2

X1

91682082

1

S S RELAY 12VDC 3RT 16A

1

R1, R4

99182099

1

S S COILED RESISTOR 22R 4% 280W

2

R5

99120760

1

S S COILED RESISTOR 100R 5% 160W

1

–

2149958

1

S SET OF FUSES (6X32)

–

58079166

1

S S FUS F 6X32 10A 380V C 10KA ULL

3

–

58079626

1

S S FUS F 6X32 10A 250V C 200A ULL

3

–

58079627

1

S S FUS F 6X32 2,0A 250V C 100A ULL

3

–

58079685

1

S S FUS F 6X32 0,5A 250V C 35A ULL

3

–

58079686

1

S S FUS F 6X32 1,0A 250V C 35A ULL

3

–

58079688

1

S S FUS F 6X32 8A 250V C 200A ULL

3

–

58079690

1

S S FUS F 6X32 16A 250V C 10KA ULL

3

–

99183931

1

S S FUS T 6X32 3,2A 250V C 100A ULL

3

–

99183979

1

S S FUS T 6X32 10A 250V C 200A ULL

3

–

99184975

1

S S FUS F 6X32 12,5A 250V C 750A ULL

3

–

99194288

1

S S FUS F 6X32 3,15A 250V C 100A ULL

3

–

99194291

1

S S FUS T 6X32 2,5A 250V C 100A ULL

3

Y

RENEWAL PARTS

1

6–19

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–9 200–EQUIPPED LINE SUPPLY CONTROL PLATE

0 , #,

5 3 6 4

RENEWAL PARTS

7

6–20

8 1

1

2

2

D24

D25

D26

D27

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–9 200–EQUIPPED LINE SUPPLY CONTROL PLATE

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

200–EQUIPPED LINE SUPPLY CONTROL PLATE

PL

1

91707990

1

S DIODE DD31N400K 400V 480A UL (D24) (D25)

2

2

91707991

1

S DIODE DD61N400K 400V 1200A UL (D26) (D27)

2

3

91717300

1

S MAIN EMERG. SWITCH – DISCON + HANDLE

1

4

91728240

1

S CONTACTOR 3–POS 660V/18A 1T 220VAC

1

5

91685123

1

S FUSE HOLDER 2P 60X27 600V

2

6

99184154

1

S FAST FUSE 27X60 35A 600V C 100KA ULL

2

7

99091203

1

S CAPACITOR AL 33000 μF –10+50% 63V SREW

1

8

58079856

1

S CAPACITOR AL 2200 μF –10+50% 350V SREW

9

2121398

1

F3

91684676

–

1

2

S S FAST FUSE 27X27 125A 150VAC ULR

1

2149958

1

S SET OF FUSES (6X32)

1

–

58079166

1

S S FUS F 6X32 10A 380V C 10KA ULL

3

–

58079626

1

S S FUS F 6X32 10A 250V C 200A ULL

3

–

58079627

1

S S FUS F 6X32 2,0A 250V C 100A ULL

3

–

58079685

1

S S FUS F 6X32 0,5A 250V C 35A ULL

3

–

58079686

1

S S FUS F 6X32 1,0A 250V C 35A ULL

3

–

58079688

1

S S FUS F 6X32 8A 250V C 200A ULL

3

–

58079690

1

S S FUS F 6X32 16A 250V C 10KA ULL

3

–

99183931

1

S S FUS T 6X32 3,2A 250V C 100A ULL

3

–

99183979

1

S S FUS T 6X32 10A 250V C 200A ULL

3

–

99184975

1

S S FUS F 6X32 12,5A 250V C 750A ULL

3

–

99194288

1

S S FUS F 6X32 3,15A 250V C 100A ULL

3

–

99194291

1

S S FUS T 6X32 2,5A 250V C 100A UL

3

RENEWAL PARTS

S 200–PL2 SUPPLY COMMAND BOARD

Y

6–21

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–10 LINE FILER BOX

1

RENEWAL PARTS

200–PL4

6–22

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–10 LINE FILTER BOX

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

2102774

2

LINE FILTER BOX

PL

1

2106963–2

1

S 200–PL4 ROOM RELAY BOARD

1

2

2100312

1

S S RELAY 12V= 1T 2KVA 380VAC 8A

1

RENEWAL PARTS

–

6–23

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–11 300–EQUIPPED CONVERTER POWER PLATE

A

8 300–PL2

6

5 300–PL1

7 2

4 TH1, TH2

A

RENEWAL PARTS

3 D1, D2

1

6–24

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–11 300–EQUIPPED CONVERTER POWER PLATE

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

300–EQUIPPED CONVERTER POWER PLATE

PL

2110227

1

S CAPACITOR UNIT

1

2

2185713

1

S FILTERING INDUCTOR 2X125 UH 5%

1

3

58079525

1

S DIODE MODULE DD31N 1.4KV 60A UL (D1) (D2)

2

4

58079220

1

S THYRISTOR (TH1) (TH2)

2

5

2121509–2

1

S 300–PL1 INVERTER BOARD

1

6

58079252

1

S THERMOSTAT 55/45º C

1

7

58079253

1

S THERMOSTAT 40/30º C

1

8

45553694

1

S 300–PL2 ANODE STARTER BOARD

1

RENEWAL PARTS

1

6–25

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–12 400–EQUIPPED CONTROL PLATE

A

4 400–PL3

2

3

400–PL1

400–PL2

1

RENEWAL PARTS

A

6–26

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–12 400–EQUIPPED CONTROL PLATE 2110150

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

400–EQUIPPED CONTROL PLATE

PL

S POWER SUPPLY 50W =5V/=–12V

1

1

2264280

1

2

2107747

1

Y

S 400–PL1 GENERATOR COMMAND BOARD

1

3

2198369–3

1

Y

S 400–PL2 GENERATOR INTERFACE BOARD

1

4

2237309–4

1

S 400–PL3 GENERATOR CPU BOARD V5.09 PROGRAMMED

1

4

2248821–4

1

S 400–PL3 GENERATOR CPU BOARD V5.10 PROGRAMMED

1

4

2325550

1

S 400–PL3 GENERATOR CPU BOARD V6.22 PROGRAMMED

1

N

S S STANDARD CPU BOARD

1

–

5

–

6

99171545

2

S S S RED JUMPER PITCH 2.54

1

BT1

99171019

1

S S S LITHIUM BATTERY 850 MAH

1

N

S SET OF CONTROL PLATE CABLES

1

7

–

8

45440115

1

S S CPU POWER SUPPLY CABLE

1

–

9

45440116

1

S S CONTROL INFO BOARD

1

– 10

2110070

2

S S 250V DISTRIBUTION CABLE (WG4)

1

– 11

45440117

2

S S POWER SUPPLY CABLE 5V & 12V

1

RENEWAL PARTS

–

6–27

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–13 SET OF GENERATOR CABLES

2 3 4 5 6

RENEWAL PARTS

1

6–28

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–13 SET OF GENERATOR CABLES

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

SET OF GENERATOR CABLES

PL

45474577

1

S HEATER & BIASING CABLE (WG2)

1

2

C801418

1

S STD FLAT CABLE 40–COND L=0.5M

1

3

2110259

2

S STD FLAT CABLE 400–PL1, 200–PL2

1

4

2110262

2

S STD FLAT CABLE 400–PL1, 300–PL1

1

5

2110264

2

S STD FLAT CABLE 400–PL1, 300–PL2

1

6

2110271

2

S STD FLAT CABLE 400–PL1, 200–PL2

1

RENEWAL PARTS

1

6–29

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–14 701–EQUIPPED HV UNIT

3

2

RENEWAL PARTS

701–PL1

6–30

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–14 701–EQUIPPED HV UNIT

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

2107399

1

1

Y

N

2

2233245

1

3

45203148

1

Y

701–EQUIPPED HV UNIT

PL

S BOARD ASSY

1

S S 701–PL1 KVMA BOARD V4

1

S S COAXIAL CABLE, HV UNIT/BOARD

1

RENEWAL PARTS

–

6–31

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–15 CONSOLES

1

Control Console CDRH

General Electric

1

RENEWAL PARTS

Mammo Console

6–32

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–15 CONSOLES

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

1

2235013

1

–

2

45554829

1

S BRACKET CONSOLE / X–RAY SHIELD

1

–

3

2153336

2

S LABEL CLEANING ON CONSOLE

1

–

4

2229050

1

S CONSOLE COVER

1

–

5

2227911

1

S PUSH BUTTON WITHOUT LIGHT (PREP., EXPOSE, ETC.)

1

–

6

2227912

1

S PUSH BUTTON WITH LIGHT

1

1

2282675–6

1

2

45554829

1

N

100–CONSOLE CDRH

MAMMO CONSOLE (IN FORWARD PRODUCTION FROM FEBRUARY 2002) S BRACKET CONSOLE / X–RAY SHIELD

PL

PL 1

RENEWAL PARTS

–

Y

6–33

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–16 SET OF COVERS 2101103 – COVERS MOUNTING HARDWARE

3

1

4

2 14

13

RENEWAL PARTS

11

7

8

5

6

15 9

10

12

6–34

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–16 SET OF COVERS – COVERS MOUNTING HARDWARE

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

N

SET OF COVERS

PL

1

2235125

1

S TUBE HOUSING SPACER COVER LABELED (RIGHT)

1

2

2230904

2

S S DRESS STRIP

1

3

2235126

1

S TUBE HOUSING SPACER COVER LABELED (LEFT)

1

4

2230904

2

S S DRESS STRIP

1

5

2235121

1

S LEFT REAR COVER LABELED

1

6

2235120

1

S RIGHT REAR COVER LABELED

1

7

2101191

2

S HALF LEFT COVER, COMPRESSION

1

8

2101190

2

S HALF RIGHT COVER, COMPRESSION

1

9

2235118–2

2

S LEFT COVER, COLUMN

1

10

2244812–2

2

S RIGHT COVER, COLUMN

1

11

45438593

2

S GENERATOR TOP COVER

1

12

2244811

1

S KICKPLATE

1

13

2231287

1

S SILK–SCREENED FRONT PLATE

1

14

45560688

2

S COVER PLATE

1

15

2235119

2

S DATAFLASH AND STEREOTIX 2 CONNECTOR COVER ASSEMBLY

1

45560702

1

COVERS MOUNTING HARDWARE

PL

–

N

S CROSS–TIP SCREW M4X16/16 PASS SST

12

–

N

S LRG RAISED RND HD SCREW M4X10 PASS SST

10

–

N

S HEX SKT HD CAP SCREW M5X50/16 BLACK STL

2

–

N

S CAPTIVE NUT M4 THK=1.2/1.6 STL

8

–

N

S FLSTR HD SCREW M4X10/10 SST

8

–

1

S SET OF CAPS (4 TYPES)

– 16

17

45559940

N

S S WHITE CAP FOR DISPLAY AND IMAGE RECEPTOR COVERS

1

18

45559730

N

S S WHITE CAP / ALL COVERS

1

19

45560509

N

S S BLACK CAP GENERATOR BOTTOM

1

20

45562658

N

S S BLACK CAP GANTRY BASE

1

6–35

1

RENEWAL PARTS

–

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–17 800–GANTRY

4

6 7 1

3

5

2

RENEWAL PARTS

9

8

6–36

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–17 800–GANTRY

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

800–GANTRY

2

S COLUMN ASSY (SEE ILL. 6–18)

1

2

N

S ASSEMBLED GANTRY BOARDS (SEE ILL. 6–23)

1

3

N

S HEX SCREW M4X10 SST

4

1

S READOUT UNIT

1

N

S S VACUUM FLUORESCENT DISPLAY MODULE

1

N

S S CAP

1

N

S S DISPLAY MODULE CABLE

1

5

N

S MAIN HARNESS (SEE ILL. 6–24)

1

6

N

S EXAMINATION ARM (SEE ILL. 6–25 THRU 6–28)

1

7

N

S HEX SKT HD CAP SCREW M10X25/25 BLACK STL

4

1

4

2223734

2223735

PL

2235874

1

S DOUBLE FOOTSWITCH (W59)

1

9

2235874

1

S DOUBLE FOOTSWITCH (W60)

1

–

2234897

1

S 4–PEDAL FOOTSWITCH

1

–

2234897

1

S 4–PEDAL FOOTSWITCH

1

RENEWAL PARTS

8

6–37

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–18 COLUMN ASSY

3

RENEWAL PARTS

2

1

6–38

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–18 COLUMN ASSY

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

2223734

2

COLUMN ASSY

PL

1

N

S PEDESTAL (SEE ILL. 6–19)

1

2

N

S EQUIPPED STRUCTURE (SEE ILL. 6–22)

1

91726753

1

S GAZ SPRING

1

4

9172758

2

S CASTER WHEEL

1

RENEWAL PARTS

3

6–39

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–19 PEDESTAL

1 2 3

RENEWAL PARTS

4

6–40

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–19 PEDESTAL

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

PEDESTAL

PL

1

N

S ELEVATOR ASSY (SEE ILL. 6–20)

1

2

N

S EQUIPPED MOTOR (SEE ILL. 6–21)

1

91726709

1

S BELT 73–TOOTH

1

4

99091203

1

S CAPACITOR AL 33000 μF –10 +50% 63V SCREW

1

RENEWAL PARTS

3

6–41

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–20 ELEVATOR ASSY

A A 3

3

RENEWAL PARTS

2

1

6–42

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–20 ELEVATOR ASSY

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

ELEVATOR ASSY

PL

99142807

2

S BALL BEARING 15X32X9 PROTECTED

1

2

91726743

2

S BALL BEARING 15X32X13 2–ROW SLANTING

1

3

2260917

1

S BEARING 6BC 02XPP 6X19X6

4

RENEWAL PARTS

1

6–43

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–21 EQUIPPED MOTOR

4

2 800–PL13

A

B

RENEWAL PARTS

1

B 3 W34

6–44

A

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–21 EQUIPPED MOTOR

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

EQUIPPED MOTOR

PL

2151017

1

S WIRED MOTOR

1

2

2148752

1

S 800–PL13 ENCODER BOARD

1

3

45553524

1

S CABLE (ELEVATOR ENCODER) (W34)

1

4

45554615

1

S ENCODER SUPPORT GLUED

1

RENEWAL PARTS

1

6–45

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–22 EQUIPPED STRUCTURE

C

C B

5

3

W33B

W33A

A

A

1

RENEWAL PARTS

V1

B

2 V2

4 6

C

6–46

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–22 EQUIPPED STRUCTURE

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

EQUIPPED STRUCTURE

PL

45553520

1

S OPTOINTERRUPTER (ELEVATOR AT LOW)

1

2

45553521

1

S OPTOINTERRUPTER (ELEVATOR AT HIGH)

1

N

S CABLE (EMERGENCY STOP BUTTON) (W33A)

1

2

S S EMERGENCY STOP BUTTON D=30 RED

1

N

S CABLE (EMERGENCY STOP BUTTON) (W33B)

1

2

S S EMERGENCY STOP BUTTON D=30 RED

1

3 4

45067225

5 6

45067225

RENEWAL PARTS

1

6–47

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–23 ASSEMBLED GANTRY BOARDS

2

1

800 PL–3

800 PL–4

5 800 PL–2

6

7

8

RENEWAL PARTS

800 PL–1

6–48

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–23 ASSEMBLED GANTRY BOARDS

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

ASSEMBLED GANTRY BOARDS

PL

1

2100282

1

S 800–PL4 PHOTOCELL BOARD

1

2

2237308–3

1

S 800–PL3 CPU GANTRY CPU BOARD V5.09 PROGRAMMED

1

2

2248835–4

1

S 800–PL3 CPU GANTRY CPU BOARD V5.10 PROGRAMMED

2

2325551

1

S 800–PL3 CPU GANTRY CPU BOARD V6.22 PROGRAMMED

N

S S CPU BOARD

1

3

–

4

99171545

2

S S S JUMPER, RED PITCH 2.54

1

BT1

99171019

1

S S S LITHIUM BATTERY 850MA/H

1

5

22247116

1

S 800–PL2 GANTRY INTERFACE BOARD

1

6

45553502

1

S CABLE (PL1/PL2–1)

1

7

45553503

1

S CABLE (PL1/PL2–2)

1

8

5190800

1

S 800–PL1 GANTRY POWER BOARD

1

Y

Y

RENEWAL PARTS

–

6–49

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–24 MAIN HARNESS

A B

8

B 7

5

4

W10

W8

W7

6 W9

A RENEWAL PARTS

2 1

6–50

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–24 MAIN HARNESS

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

MAIN HARNESS

PL

1

45475034

1

S 4–PIN HV CABLE ASSEMBLY

1

2

C133902

1

S S GASKET

2

3

2231108

1

S SET OF CABLES, MAIN HARNESS

1

4

45553497

1

S S OPTICAL FIBER (GEN–TRANSMIT CONNECTION) (W7)

1

5

45553498

1

S S OPTICAL FIBER (GEN–RECEPT CONNECTION) (W8)

1

6

45553499

1

S S OPTICAL FIBER (GRID SYNC) (W9)

1

7

45553500

1

S S OPTICAL FIBER (SEND PM) (W10)

1

–

45553504

2

S S COAXIAL CABLE (I PM)

1

8

2110063

2

S SHIELDED CABLE SHEATH

1

RENEWAL PARTS

–

N

6–51

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–25 EXAMINATION ARM

1 2 3

8 9

15

RENEWAL PARTS

16

10 11 12 13 4 5 6 7 17

6–52

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–25 EXAMINATION ARM

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

N

EXAMINATION ARM

1

N

S TUBE HOUSING SPACER (SEE ILL. 6–29)

1

2

N

S HEX SKT HD CAP SCREW M10X30/30 PASS SST

2

3

N

S WASHER M10 N PASS SST

2

S IMAGE RECEPTOR (SEE ILL. 6–31)

1

4

2230905–2

2

Y

PL

5

N

S S HEX SKT HD CAP SCREW M5X25/22 PASS SST

4

6

N

S S WASHER WITH CONVEX FACE 5.2X10.5X2 BRUNED STL

4

7

N

S S WASHER WITH CONCAVE FACE 6X10.5X2.1 BRUNED STL

4

1

S PADDLE FASTENER ASSEMBLY (SEE ILL. 6–32)

1

9

N

S S HEX SKT HD CAP SCREW M5X20/20 PASS SST

4

10

N

S ELECTROMAGNET MOUNT ASSEMBLY (SEE ILL. 6–33)

1

11

N

S S WASHER WITH CONVEX FACE 5.2X10.5X2 BRUNISHED STL

2

12

N

S S WASHER WITH CONCAVE FACE 6X10.5X2.1 BRUNISHED STL

2

13

N

S S HEX SKT HD CAP SCREW M5X25/22 PASS SST

2

– 14

N

S SET OF CABLES, COMPRESSION ARM (SEE ILL. 6–35)

1

1

HANDLES, ASSEMBLY

1

–

N

S HEX SKT HD CAP SCREW M5X16/16 PASS SST

8

–

N

S TOP RIGHT HOLLOW–BOX

1

–

N

S TOP LEFT HOLLOW–BOX

1

S SET OF FOUR SILK–SCREENERS COVER

1

8

15

–

2225076

2227069

45561897

2

N

–

N

S TOP TUBE

2

–

N

S BOTTOM RIGHT HOLLOW–BOX

1

–

N

S BOTTOM LEFT HOLLOW–BOX

1

–

N

S BOTTOM TUBE

1

–

N

S ROTATION HANDLE LIMITATION SHAFT

2

1

ROCKER SWITCH 3 POS

1

16

2186192

6–53

RENEWAL PARTS

–

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–26 EXAMINATION ARM

27

20 21 22

A C

A

C

D

B

19

23 30 7

8

10

9

B

D 24

1

11

2

3

RENEWAL PARTS

5

6

4

12 13 14

1 / #.

15 17 18

6–54

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–26 EXAMINATION ARM

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

EXAMINATION ARM

1

S BRAKE WIRED (ROTATION) (W42)

1

2

N

S HEX SKT HD CAP SCREW M5X16/16 PASS SST

4

3

N

S SPACER

1

4

N

S SPACER

1

2

S BALL BEARING 8X125X22 1–ROW PROTECTED

4

6

N

S INT CIRCLIP D=125 TYPE 80

1

7

N

S SLEEVE

1

8

N

S HDLS SCREW M6X8 BLACK STL CUP END

1

9

N

S CAP (USE SET OF CAPS: 2120544)

1

10

N

S HEX SKT HD CAP SCREW M5X15 BLACK STL

6

11

N

S HEX SKT HD CAP SCREW M6X20/20 PASS SST

6

2

S LOCKING SECTOR

1

13

N

S HEX SKT HD CAP SCREW M5X8/8 PASS SST

2

14

N

S FLAT WASHER M5 N PASS SST

2

15

N

S TAPPED SPACER M3X5 GALV STL

2

1

S 800–PL7 SID SENSOR BOARD

1

17

N

S HEX SKT HD CAP SCREW M3X8/8 PASS SST

3

18

N

S FLAT WASHER M3 N PASS SST

3

1

5

12

16

2178230

91632919

45554468

45475707

PL

45554401

1

S EXAMINATION ARM ANGLE INDICATOR

1

20

2235110

2

S REAR HANDLE

1

21

N

S HEX SKT HD CAP SCREW M4X10/10 PASS SST

4

22

N

S FLAT WASHER M4 N PASS SST

4

1

KIT FOR COMPRESSION CABLE MOUNTED ON BELT

1

23

2248165

RENEWAL PARTS

19

6–55

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–26 EXAMINATION ARM (Continued)

27

20 21 22

A C

A

C

D

B

19

23 30 7

8

10

9

B

D 24

1

11

2

3

RENEWAL PARTS

5

6

4

12 13 14

1 / #.

15 17 18

6–56

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–26 EXAMINATION ARM (Continued)

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

24

36006659

1

KIT OF COMPRESSION BELT, RENEWAL PARTS

1

–

91726680

1

S BELT 49–TOOTH

1

–

N

S BELT COMPRESSION SUPPORT

1

–

N

S HEX SKT HD CAP SCREW M4X10/10 PASS SST

4

–

N

S SHOULDERED RING D=6/8 L=8

1

–

N

S BELT FASTERNER

1

–

N

S BELT TENSIONER

1

–

N

S TENSION SPRING FOR COMPRESSION BELT

1

–

N

S FLAT WASHER M4 U PASS SST

2

–

N

S HEX SCREW M4X10/10 PASS SST

1

–

N

S BELT CLAMPING PLATE

1

–

N

S FLSTR HD SCREW M2X4/4 SST

2

–

N

S COMPRESSION BELT

1

–

N

S BENT PLATE

1

–

N

S FLAT WASHER Z4N PASS SST

2

36005885

1

S BELT (OPEN)

1

25

45554511

2

S CABLE GUIDE

1

– 26

56052522

1

BRAKE ADJUSTMENT TOOL

1

– 27

45554529

2

IMAGE RECEPTOR SPRING BLADE

RENEWAL PARTS

–

6–57

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–27 EXAMINATION ARM

A

0 / #0

10 11

C

A 16

17

D

12

RENEWAL PARTS

 / #

3 4 5 6 7

1 2

B

15

14

13 18

6–58

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–27 EXAMINATION ARM

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

EXAMINATION ARM

1

S ENCODER SUPPORT GLUED

1

2

N

S HDLS SCREW M3X3 BLACK STL FLAT END

1

3

N

S TAPPED SPACER M3X5 GALV STL

2

4

N

S FLAT WASHER M3 N PASS SST

2

5

N

S HEX NUT M3 PASS SST

2

6

N

S HEX SKT HD CAP SCREW M3X5/5 PASS SST

2

7

N

S FLAT WASHER M3 N PASS SST

2

1

45554615

PL

8

2148752

1

S 800–PL11 ENCODER BOARD

1

9

2247213

1

S 800–PL5 COMPRESSION ARM DISTRIBUTION BOARD

1

10

N

S HEX SKT HD CAP SCREW M3X8/8 PASS SST

4

11

N

S FLAT WASHER M3 N PASS SST

4

12

2203428

2

S SID BRAKING SYSTEM (SEE ILL. 6–34)

1

13

2127287

2

S LEFT HANDLE

1

14

2127288

2

S RIGHT HANDLE

1

15

91726680

1

S BELT 49–TOOTH

1

16

36005971

2

S MAGNIFICATION STAND HOLDER, LEFT

1

17

45554436

2

S MAGNIFICATION STAND HOLDER, RIGHT

1

18

2229137–2

1

ARM ANGULAR DETECTOR EQUIPPED

1

SEE ILL. 6–28

C

SEE ILL. 6–28

D

SEE ILL. 6–28

RENEWAL PARTS

B

6–59

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–28 EXAMINATION ARM

B

4

5

2

3

1

13

D

C

 / #0

RENEWAL PARTS

 

8 9

6 2 / #

6–60

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–28 EXAMINATION ARM

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

N

EXAMINATION ARM

1

N

S PIN

1

2

N

S OFF–CENTERED SHAFT

1

3

N

S HEX NUT M8 PASS SST

2

4

N

S EXT CIRCLIP D=6 TYPE 81

2

1

S BALL BEARING 6X19X6

2

N

S SPACER

2

1

S 800–PL14 MAGNIFICATION SENSOR BOARD

1

8

N

S HEX SKT HD CAP SCREW M3X8/8 PASS SST

2

9

N

S FLAT WASHER M3 N PASS SST

2

1

S 800–PL15 INTER ARM TILT SENSOR BOARD

1

11

N

S SPACER

2

12

N

S HEX SKT HD CAP SCREW M3X8/8 PASS SST

2

2

S BALL BEARING, LINEAR

4

5

99146577

6 7

10

13

45553870

2237307

91633373

PL

RENEWAL PARTS

–

6–61

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–29 TUBE HOUSING SPACER

A

B 10

37 39 40

11

37 38 30 35 800–PL6

31 A

32 33 34

4 6 4

2

C

7 8 9

3

12 13 14 B

C

1 23 24

RENEWAL PARTS

21 21 5

28

17 18 26 27

15

6–62

29

16 19 20

41

25

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–29 TUBE HOUSING SPACER

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

TUBE HOUSING SPACER

2

S X–RAY TUBE ROTATION SCREW

1

2

N

S TAKE–UP PULLEY, X–RAY TUBE ROTATION

1

3

N

S MOTOR PULLEY, X–RAY TUBE ROTATION

1

4

N

S HDLS SCREW M4X6 BLACK STL CUP END

2

2232982

5

45554501

2

S ANTI–ROTATION PAD

1

6

91726679

1

S BELT 43–TOOTH

1

7

45554577

2

S ANTI–SCATTER SHIELD

1

8

N

S FLAT WASHER M4 N PASS SST

2

9

N

S HEX SCREW M4X6/6 PASS SST

2

10

2200315

1

S FILTER WHEEL MOTOR ASSEMBLY

1

11

45560092

1

S 3–FILTER WHEEL ASSEMBLY

1

12

N

S TOOTH–LOCK WASHER EXT TTH M4 SST

2

13

N

S HEX SKT HD CAP SCREW M4X8/8 PASS SST

2

14

N

S HEX NUT M4 SST

2

15

2188568

1

S HALOGEN LAMP 12V 100W

1

16

45562593

2

S OPTICAL BOX

1

N

S PUSHBUTTON: SEE ILLUSTRATION 6–30

1

17 – 18

–

19

N

S WASHER M3 N PASS SST

2

20

N

S FLSTR HD SCREW M3X6/16 SST

2

1

S WIRED SOCKET (CENTERING LIGHT)

1

N

S FLSTR HD SCREW M2.5X8/8 PASS SST

2

21

45561662

22

23

45560093

2

S FIXED MIRROR ASSEMBLY

1

24

2128546

1

S S FIXED MIRROR ONLY

1

25

2229927–2

1

S COLLIMATOR CDRH V4

1

26

N

S ARTICULATION SHAFT

1

27

N

S PIN SHAFT WIRE D=0.9

4

2

S ANTI–SCATTER BOX

1

N

S LRG RAISED RND HD SCREW M4X10 PASS SST

1

1

S ROCKER SWITCH, 3–POS.

1

N

S BUTTON MOUNT, WELDED

1

28

2223340

29 30 31

2186192

6–63

RENEWAL PARTS

1

PL

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–29 TUBE HOUSING SPACER (Continued)

A

B 10

37 39 40

11

37 38 30 35 800–PL6

31 A

32 33 34

4 6 4

2

C

7 8 9

3

12 13 14 B

C

1 23 24

RENEWAL PARTS

21 21 5

28

17 18 26 27

15

6–64

29

16 19 20

41

25

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–29 TUBE HOUSING SPACER (Continued)

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

N

S CAPTIVE NUT M4 THK=1.7/2.5 STL

4

33

N

S FLAT WASHER M4 N PASS SST

4

34

N

S HEX SKT HD CAP SCREW M4X12/12 PASS SST

4

1

S 800–PL6 TUBE HOUSING ARM DISTRIBUTION BOARD

1

– 36

N

S SET OF CABLES, TUBE HOUSING SPACER (SEE ILL. 6–30 )

1

37

N

S WASHER M5 N PASS SST

3

38

N

S HEX SKT HD CAP SCREW M5X12/12 PASS SST

1

39

N

S HEX SKT HD CAP SCREW M5X35/22 PASS SST

1

40

N

S HEX NUT M5 PASS SST

2

35

2245986

RENEWAL PARTS

32

6–65

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–30 SET OF CABLES, TUBE HOUSING SPACER

3 W49

8

1

9

W3 6

7

7

2 W48

4 W53

5 RENEWAL PARTS

W56

6 W75 W76

6–66

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–30 SET OF CABLES, TUBE HOUSING SPACER

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

SET OF CABLES, TUBE HOUSING SPACER

PL

2254365

1

S CABLE (TUBE HOUSING ARM BUTTON) (W36)

1

2

2174447

1

S FILTER MOTOR (W48)

1

3

45553539

1

S TUBE ANGULATION MOTOR (W49)

1

4

45553543

1

S OPTOINTERRUPTER (FILTERS POS) (W53)

1

5

45553546

1

S OPTOINTERRUPTER (TUBE HOUSING POS) (W56)

1

6

36006829

1

S FAN WIRED (X–RAY TUBE) (W75) (W76)

2

–

2268887

1

KIT; THREE PUSHBUTTONS WITH MOUNTING BRACKETS

1

7

2245083

1

S PUSHBUTTON WIRED

3

8

N

S FLAT T BRACKET (FRONT)

1

9

N

S FLAT T BRACKET (SIDE)

2

RENEWAL PARTS

1

6–67

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–31 IMAGE RECEPTOR IMAGE RECEPTOR DMR+ WITHOUT CELL

RENEWAL PARTS

1

6–68

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–31 IMAGE RECEPTOR IMAGE RECEPTOR DMR+ WITHOUT CELL ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1

A

1 2 3 4 5

2230905–2

2

–

2237300–2

1

IMAGE RECEPTOR

Y

PHOTOCELL ASSEMBLY

PL

RENEWAL PARTS

1

6–69

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–32 PADDLE FASTENER ASSEMBLY

A 21

4

9 10

5

6

3

11

12 22

7

8

20 A

RENEWAL PARTS

13 17 18

18 19

800–PL9

800–PL8

15 16

14 16

6–70

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–32 PADDLE FASTENER ASSEMBLY

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

2225076

1

PADDLE FASTENER ASSEMBLY

PL

1

91513131

1

S BALL LATCH

11

2

N

S HEX NUT M8 PASS SST

3

N

S COMMAND SHAFT

1

4

N

S SELF–LUBRICATING BUSHING D=6X10X6 BRONZE

4

5

N

S WASHER ”BELLEVILLE” 12.5X6.2X0.5 STL

10

6

N

S EXT CIRCLIP D=6 TYPE 81

2

1

S COMMAND BUTTON

2

N

S HEX SKT HDLS SCREW CUP END M3X8/8 PASS SST

2

1

S ENCODER SUPPORT GLUED

1

10

N

S HDLS SCREW M3X4 BLACK STL CUP END

1

11

N

S PCB SUPPORT

1

12

N

S HEX SKT HD CAP SCREW M4X8/8 PASS SST

2

7

36005384

8 9

45554615

13

91671876

2

S MAGNET D=4X20

1

14

45561125

2

S PADDLE FASTENER RIGHT COVER

1

15

45561126

2

S PADDLE FASTENER LEFT COVER

1

N

S FLSTR HD SCREW M4X10/10 PASS SST

2

1

S 800–PL9 ENCODER BOARD

1

N

S HEX SCREW M3X8 PASS SST

5

16 17

2148752

18 45554410

1

S 800–PL8 PADDLE BOARD

1

20

45553536

1

S CABLE (PADDLE FINE–MOVEMENT)

1

21

N

S FLAT WASHER Z6 U GALV STL

4

22

N

S FLAT WASHER M4 N PASS SST

2

RENEWAL PARTS

19

6–71

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–33 ELECTROMAGNET MOUNT ASSEMBLY

A 2

11 7

4

8

9 A

5

3

1

RENEWAL PARTS

6

6–72

10

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–33 ELECTROMAGNET MOUNT ASSEMBLY

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

N

ELECTROMAGNET MOUNT ASSEMBLY

1

S ELECTROMAGNET WIRED (LOCK)

1

N

S HEX SKT HD CAP SCREW M6X25/25 PASS SST

1

2

S FORK JOINT

1

4

N

S CYLINDRICAL SELF–LUBRICATING BUSHING BRONZE

1

5

N

S COMPRESSION SPRING

1

1

45553531

2 3

45554473

PL

45562514

1

S LOCKING PIN GLUED

1

7

91671876

2

S S MAGNET D=4X20

1

8

45554472

2

S FORK JOINT SHAFT

1

9

N

S SMOOTH SELF–LOCKING RING

1

10

N

S RUBBER WASHER 6X12X1

2

1

S ELECTROMAGNET BRACKET WITH BUSHING

1

11

2264629

RENEWAL PARTS

6

6–73

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–34 SID BRAKING SYSTEM

RENEWAL PARTS

1

6–74

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–34 SID BRAKING SYSTEM

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

2107675

2

SID BRAKING SYSTEM

PL

1

2108751

2

S EQUIPPED BELT

1

1

91726669

2

S BEARING D10X12 L5

1

RENEWAL PARTS

–

6–75

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–35 SET OF CABLES, COMPRESSION ARM

1 W37

2 W38

3 W39

5

6 W43

7 RENEWAL PARTS

W44

8 W45

9 W47

6–76

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–35 SET OF CABLES, COMPRESSION ARM

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

–

N

SET OF CABLES, COMPRESSION ARM

PL

1

45553527

2

S CABLE (SID) (W37)

1

2

2393779

1

S CABLE (COMPRESSION BOARD / BUCKY) (W38)

1

3

45553529

1

S WIRED MOTOR (COMPRESSION) (W39)

1

N

S CABLE (ELEVATOR/ROTATION PUSHBUTTONS) (W40)

1

4 2186192

1

S S ROCKER SWITCH, 3–POS.

8

6

45553533

1

S CABLE (PADDLE SHIFT) (W43)

1

7

45553534

1

S CABLE (TILT) (W44)

1

8

45553535

2

S CABLE (MAGNIFICATION) (W45)

1

9

45553537

1

S CABLE (PADDLE POSITION ENCODER) (W47)

1

– 10

45559795

N

S PROTECTIVE CABLE (W65)

1

RENEWAL PARTS

5

6–77

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–36 ACCESSORIES

1 2 5

4

6

7 3

16

2116257

8 13

RENEWAL PARTS

12

10 18

6–78

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–36 ACCESSORIES

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

–

ACCESSORIES

PL

1

2231024–2

1

Y

S BUCKY 18X24 CDRH WITH TRANSPARENT COVER

1

1

2231024–3

1

Y

S BUCKY 18X24 CDRH WITH CARBON FIBER COVER (GRID FOCUS FOR SID = 650)

1

2

2255829

1

S S COVER TOP REAR BUCKY 18X24

1

3

2179508

1

S S BUCKY TRANSPARENT TOP COVER

1

3

2320979

1

S S CARBON FIBER BUCKY 18X24 COVER

1

3

2322136

1

S S BUCKY COVER UPGRADE PLASTIC TO CARBON

1

2206682

1

S S BUCKY CASSETTE LOCKING SPRING

1

4

2330248

1

S S DMR+ 18X24 BUCKY SHOULDERS FOR CARBON COVER

1

4

2330249

1

S S DMR+ 18X24 BUCKY SHOULDERS FOR PLASTIC COVER

1

5

2233355–2

1

S PADDLE 18X24 WITHOUT NOTCH *

1

5

2233355–3

1

S PADDLE 18X24 WITH A NOTCH + DOCUMENTATION *

1

6

2236987

1

S LEXAN PLATE 18X24 WITHOUT NOTCH

1

6

2236987–2

1

S LEXAN PLATE 18X24 WITH A NOTCH + DOCUMENTATION

1

7

45475446

2

S CENTERED PADDLE (INJECTED)

1

8

2114797

2

S LINE SUPPLY CABLE **

1

9

2236099

1

S EMERGENCY MAINTENANCE KIT (SEE ILLUSTRATION 6–38)

1

10

2227387

1

S GUARD/REST OF SHOULDER

1

* FOR COUNTRIES SUBJECT TO MQSA (E.G. US AND CANADA), ORDER FMI 11468 (PART NO. 2308834) AT THE SAME TIME.

** FOR CUSTOMERS IN CHINA: THE LINE SUPPLY CABLE FROM GEMS MUST NOT BE ORDERED. INSTEAD CHINESE CUSTOMERS MUST LOCALLY ORDER AN EQUIVALENT CCC–CERTIFIED SUPPLY CABLE FROM THEIR LOCAL ELECTRICAL SUPPLIER.

RENEWAL PARTS

–

–

6–79

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–36 ACCESSORIES (Continued)

1 2 5

4

6

7 3

16

2116257

8 13

RENEWAL PARTS

12

10 18

6–80

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–36 ACCESSORIES (Continued)

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

– 11

36006563

12

1

S MAGNIFICATION ASSY CDRH

1

N

S S MAGNIFICATION UNIT

1

13

91671876

2

S S S MAGNET D=4X20

1

– 14

2147919

1

S MAGNIFICATION CASSETTE HOLDER 18X24 CDRH

1

N

S S CASSETTE HOLDER 18X24 (PLASTIC)

1

– 15

2116257

1

S SERVICE LAPTOP CABLE EMC

1

– 17

2228457

2

S SENOGRAPHE INSTALLATION KIT

1

–

N

S S JACK SCREW

4

–

N

S S JACK SUPPORT

4

–

N

S S COVER (PEDESTAL)

7

–

N

S S PLASTIC COVER (USE KIT SET OF CAPS: 2120544)

30

–

N

S S HEX SKT HD CAP SCREW M8X80/80 CHROME STL

6

–

N

S S WASHER 26X11X4

3

–

N

S S WASHER

8

–

N

S S STABILIZER

4

–

N

S S EXPANSION BOLT M10

6

–

N

S S FLAT WASHER M10N PASS SST

3

1

S CABLE ASSEMBLY (CONSOLE/GENERATOR, L=10M)

1

18

2150064

RENEWAL PARTS

16

6–81

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

RENEWAL PARTS

ILLUSTRATION 6–37 EMERGENCY MAINTENANCE KIT

6–82

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–37 EMERGENCY MAINTENANCE KIT

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

2236099

1

EMERGENCY MAINTENANCE KIT

PL

–

N

S TEST CABLE 64–C

1

–

N

S FLSTR HD SCREW M4X16X16 PASS SST

2

–

N

S LRG RAISED RND HD SCREW M4X10 PASS SST

2

–

N

S FLAT WASHER Z4 N PASS SST

2

–

N

S HEX SKT HD CAP SCREW M5X50/16 BLACK STL

1

–

N

S HEX SKT HD CAP SCREW M4X8/8 PASS SST

2

–

N

S FLSTR HD SCREW M4X8/8 PASS SST

1

–

N

S CAP (USE KIT SET OF CAPS: 2120544)

1

–

N

S FAST FUSE 6X32 2.0A 250V C 100A ULL

2

–

N

S FAST FUSE 6X32 10A 380V C 10KA ULL

2

–

N

S FAST FUSE 6X32 0.5A 250V C 35A ULL

5

–

N

S FAST FUSE 6X32 1.0A 250V C 35A ULL

2

–

91684676

1

S FAST FUSE 27X27 125A 150V AC ULR

1

–

99184154

1

S FAST FUSE 27X60 35A 600V C 100 KA ULL

3

–

N

S SLOW–BLOW FUSE 6X32 2.5A 250V C 100A ULL

3

–

N

S SLOW–BLOW FUSE 6X32 3.2A 250V C 100A ULL

1

–

N

S SLOW–BLOW FUSE 6X32 10A 250V C 200A ULL

2

–

N

S FAST FUSE 6X32 12.5A 250V C 750A ULL

1

–

N

S FAST FUSE 6X32 3.15A 250V C 100A ULL

5

–

N

S BAG OF LANGUAGE STICK–ON LABELS

1

–

N

S S GERMAN PRODUCT IDENTIFICATION LABEL

25

–

N

S S ITALIAN PRODUCT IDENTIFICATION LABEL

25

–

N

S S SPANISH PRODUCT IDENTIFICATION LABEL

25

–

N

S S FRENCH PRODUCT IDENTIFICATION LABEL

25

–

N

S S GERMAN PRODUCT SPECIFICATION LABEL

25

–

N

S S ITALIAN PRODUCT SPECIFICATION LABEL

2

–

N

S S SPANISH PRODUCT SPECIFICATION LABEL

2

6–83

RENEWAL PARTS

–

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

RENEWAL PARTS

ILLUSTRATION 6–37 EMERGENCY MAINTENANCE KIT (Continued)

6–84

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–37 EMERGENCY MAINTENANCE KIT (Continued)

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

N

S S FRENCH PRODUCT SPECIFICATION LABEL

2

–

N

S S OPERATING INSTRUCTIONS

1

–

N

S CABLE TIE

4

–

N

S TOOL BOX

1

–

N

S TEST BOARD–64

1

–

N

S PIN

1

–

N

S AXIS

1

–

N

S HEX SKT HD CAP SCREW M3X10/10 PASS SST

1

–

N

S FLAT WASHER M3 N PASS SST

1

–

N

S SHUNT TUBE (FOR SINGLE PHASE)

1

–

N

S FLAT WASHER Z3 U STL

1

–

N

S CAPTIVE NUT M4 THK=1.2/1.6 STL

2

–

N

S FLSTR HD SCREW M4X10/10 SST

2

RENEWAL PARTS

–

6–85

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–38 OPTIONAL ACCESSORIES

13

14

2 11

12 4 10

5

3

RENEWAL PARTS

9

6

7

6–86

8

GE Healthcare

SENOGRAPHE DMR+

REV 2

sm 2240777–1–100

ILLUSTRATION 6–38 OPTIONAL ACCESSORIES

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

– –

OPTIONAL ACCESSORIES

1

36006772

1

S STANDARD X–RAY SHIELD (CENTRAL PANEL)

1

2

45554827

2

S S GLASS WINDOW FOR X–RAY SHIELD

1

3

36005901

1

S HANDSWITCH KIT

1

N

S S COMPONENTS FOR HANDSWITCH

1

1

S S S HANDSWITCH ONLY

1

N

S S S END CAP

1

1

S S S SPIRAL CABLE

1

–

N

S S STIRRUP

1

–

N

S S FLSTR HD SCREW N4–40 UNC L=1/4” SST

2

–

N

S S FLSTR HD SCREW M4X16/16 PASS SST

2

–

N

S S FLAT WASHER M4 U PASS SST

1

–

N

S S CABLE TIE

1

–

N

S S INSULATING SMOOTH SPACER 4.2X8X3 NYLON

2

–

N

S S DATA 36005901–104 HANDSWITCH DMR

1

6

N

S ACCESSORY TROLLEY

1

– 4

46–270800G3

– 5

–

–

46–315241P1

7

45554823

1

S S ACCESSORY TROLLEY WHEEL

4

8

45554824

1

S S ACCESSORY TROLLEY FOAM

1

9

2335958

2

S PADDLE RAIL FOR ACCESSORY TROLLEY

1

10

N

S STEREOTIX 2 CDRH EMC

1

–

N

S 24X30 OPTION

1

S S BUCKY 24X30 CDRH (GRID FOCUS FOR SID = 650)

1

11

2231025–2

1

Y

2255831

1

S S BUCKY 24X30 COVER

1

2206682

1

S S BUCKY CASSETTE LOCKING SPRING

1

6–87

RENEWAL PARTS

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ILLUSTRATION 6–38 OPTIONAL ACCESSORIES (Continued)

13

14

2 11

12 4 10

5

3

RENEWAL PARTS

9

6

7

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ILLUSTRATION 6–38 OPTIONAL ACCESSORIES (Continued)

ITEM NO.

PART NO.

DESCRIPTION

FRU REP

QTY

A P P

1 2 3 4 5

2244710–2

1

S S COMPRESSION PADDLE 24X30 (EXCEPT US, CANADA)

1

2337272

1

S S ADJUSTABLE COMPRESSION PADDLE 24X30 MQSA (US, CANADA ONLY)

1

–

2244716

1

S S S 24X30 LEXAN PLATE

1

13

2242700

1

S SET OF 9 FLIP MARKERS – ENGLISH

1

12

2242701

1

S SET OF 9 FLIP MARKERS – FRENCH

1

12

2242702

1

S SET OF 9 FLIP MARKERS – GERMAN

1

12

2242703

1

S SET OF 9 FLIP MARKERS – SPANISH

1

12

2249211

1

S SET OF 9 FLIP MARKERS – ITALIAN

1

12

2262563

1

S SET OF 9 FLIP MARKERS – PORTUGESE

1

12

2242704

1

S ADDITIONAL SET OF 20 FLIP MARKERS – ENGLISH

1

14

2249217

1

S MARKER INSTALLATION KIT

1

–

2146812

2

S DATAFLASH CABLE 20M

1

–

2233355–2

1

S PADDLE 18X24 WITHOUT NOTCH *

1

–

2233355–3

1

S PADDLE 18X24 WITH A NOTCH + DOCUMENTATION *

1

–

45475446

1

S SQUARE SPOT PADDLE

1

–

2102380

1

S ROUND SPOT PADDLE *

1

–

45440901

1

S LEXAN PART FOR ROUND SPOT PADDLE

1

–

2148861

1

S 18 X 24 AXILLARY PADDLE *

1

–

2148862

1

S LEXAN PART FOR 18 X 24 AXILLARY PADDLE

1

* FOR COUNTRIES SUBJECT TO MQSA (E.G. US AND CANADA), ORDER FMI 11468 (PART NO. 2308834) AT THE SAME TIME.

RENEWAL PARTS

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CHAPTER 7 – PLANNED MAINTENANCE SECTION 1 INTRODUCTION This chapter contains recommendations for planned maintenance of the Senographe DMR mammography system.

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Job Card PM001

DMR PLANNED MAINTENANCE STEERING

1 of 2

Version No.: Date : July 2002

Time: n/a

Personnel: 1 field engineer

Recommended planned maintenance tasks for the Senographe DMR mammography system are listed below. The Job Cards referred to are in the present Service Manual. Job Card

Task Title

Interval (months)

Site Status

PM002

12

Remove System Covers

PM003

12

Analyze Gantry and Generator Error Codes

Chapter 4

12

Check AEC Max Exposure Time Safety

PM004

12

Check Emergency Stop Buttons

PM005

12

Check Compression Safety

PM006

12

Check Cable Ground and X–Ray Tube Safety

PM008

12

Inspect Lead Glass Shield

PM009

12

Check HV Unit and HV Cable Connections

PM010

36

Clean System

PM011

12

Check +5V Supply on Generator CPU Board

PM012

24

Check Column Up/Down Movement

PM013

12

Check Arm Rotation

PM014

12

Check Compression Force

PM015

24

Check Breast Thickness Measurement

PM016

24

Check Photocell Positioning

PM018

12

Check Format Control

PM019

24

Check Tube Housing Arm Detents

PM020

24

Check Magnification Sensors and SID Sensors

PM021

24

Check Bucky and Test Bucky

PM022

12

Check Stereotix Option

PM023

12

Check Chair Option

PM024

12

Replace Paddle With a Notch Option

PM025

24

Re–Install System Covers

PM003

12

Summarize the PM Visit With the Customer

none

12

Put All Task Set Data Sheets in Log Book

none

12

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DMR PLANNED MAINTENANCE STEERING

Job Card PM001

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Job Card PM002

1 of 2

Version No.:

SITE STATUS

Date : July 2002 Time: 15 min

Personnel: 1 field engineer

SECTION 1 SITE LOGBOOK 1. Review the site Logbook to identify recently applied FMI procedures and last Planned Maintenance Operation Report. 2. Verify the presence of the following log diskettes with the site logbook: – Data calibration diskette – PM diskette SECTION 2 REVIEW SYSTEM OPERATION WITH CUSTOMER 1. Discuss with customer to find out if there are any specific problems with the system. Make a list of problems and distinguish between problems that can be solved by: – Corrective maintenance – Planned maintenance 2. Propose solution(s) with the customer and come to an agreement on what actions are to be taken.

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SITE STATUS

Job Card PM002

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Job Card PM003

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Version No.:

REMOVE SYSTEM COVERS

Date : July 2002 Time: 15 min

Personnel: 1 field engineer

SECTION 1 SUPPLIES None SECTION 2 TOOLS D

Metric Allen wrenches (including 5.5 mm).

D

Large flat screwdriver.

D

Slim flat blade (knife or similar).

SECTION 3 SAFETY PRECAUTIONS

WARNING

BEFORE BEGINNING WORK, SHUT DOWN THE EQUIPMENT AND SWITCH OFF THE SENOGRAPHE HOSPITAL SUPPLY CIRCUIT BREAKER. LOCK IT IN THE OFF POSITION OR MARK IT CLEARLY WITH A WARNING SIGN TO PREVENT OTHERS FROM APPLYING POWER.

SECTION 4 PREREQUISITES None

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REMOVE SYSTEM COVERS

Job Card PM003

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SECTION 5 PROCEDURE 5.1

Covers to be removed D

First, look at the list of PM operations to be carried out. Use the following table to decide which covers need to be removed: If these operations are to be carried out:

PM Group

Task Title

Generator Gantry Gantry

Any (except Check Generator Calibration) Column Movement Check X-ray Tube

Gantry Gantry

Check Compression Replace Gantry CPU Lithium Battery

7–8

Remove these covers: Generator covers Both gantry half-covers Tube Housing Spacer covers Compression arm cover Left gantry half-cover only

Refer to Section 5.2 5.3 5.5 5.4 5.3

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5.2

Job Card PM003

3 of 6

Remove/replace generator covers Refer to the illustration below for screw and panel locations. 1. Remove all power from the Senographe. 2. Remove the four plastic plugs covering the generator top panel securing screws. 3. Use an Allen wrench to remove the four generator top panel retaining screws (1). 4. Remove generator top panel by lifting upwards. 5. It is not normally necessary to remove the rear panel or the right-hand side panel for PM operations. 6. For the front panel (panel with operator switches, ref. 2), and for the left-hand side panel (3): 1. Remove the two screws securing the panel. 2. Slightly lift the panel upwards and towards yourself. 3. Disconnect the panel’s ground wire at the Generator end to avoid risk of creating a short circuit. 7. Perform the procedure in reverse order for replacement. Be sure to reconnect the ground wires. Take care when replacing the Generator Cabinet covers, especially if the conditioner air and water pipes have been disturbed. Check that the covers do not block the pipes.

1

3

2

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5.3

Job Card PM003

4 of 6

Remove/replace left or right gantry half-cover 1. Remove all power from the Senographe. 2. Use a hex wrench to remove screw (3). 3. Remove the plastic plugs and two screws (4) from the top of the column half-cover. 4. DO NOT touch two screws (5). Undo hex bolt (6) by 2 or 3 turns (accessible through a slot at rear of the base); this method retains correct alignment of the cover with the safety stop switch. 5. Slide the complete half-cover towards you to remove it. 6. Perform the procedure in reverse order for replacement. BE CAREFUL NOT TO PINCH OR DAMAGE CABLES.

4

6

5 3

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5.4

Job Card PM003

5 of 6

Remove/replace compression arm covers 1. Set the compression arm in the horizontal position, tube on the right, and unlock the tube housing arm to set it at 27 degrees, with the tube below the horizontal. 2. Switch OFF the Senographe electrical power. 3. Refer to the illustration below. Use a flat screwdriver and 4 mm Allen wrench to remove the two left hand cover securing screws (1 and 2). 4. Remove the left half-cover by slightly lifting it on the compression motor side, and then gently pulling it to the left. 5. Switch the Senographe electrical power back on. 6. Reset the tube housing arm to 0 degrees. 7. Rotate the compression arm through 180 degrees and unlock the housing arm to set the tube 27 degrees downwards. 8. Switch OFF the Senographe electrical power. 9. Use the flat screwdriver and 4 mm Allen wrench, remove the two right hand cover securing screws. 10. Remove the right half-cover by slightly lifting it on the compression motor side, and then gently pulling it to the right. 11. Remove spacer plate (on the top of the sensor indicator plate) and remove the indicator plate by gently pulling it towards the bottom of the compression arm. 12. To reinstall the compression arm covers, carry out the above operations in reverse order.

CAUTION

When replacing the covers, reinstall the spacer plate as quickly as possible. It will stay in place when one of the half-covers has been reinstalled. To prevent the indicator plate from falling, do not set the compression arm in the vertical position until at least one half-cover has been installed.

2 1

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5.5

Job Card PM003

6 of 6

Remove/replace tube housing spacer covers

WARNING D

BE CAREFUL WHEN TOUCHING THE TUBE HOUSING, AS ITS TEMPERATURE CAN BE UP TO 80 _C (ABOUT 180 °F)

Refer to the following illustration and instructions: B

5

6

7

8

3 P 4

1. Remove strip B (clipped in position). 2. Set the tube housing arm horizontal, with the head on the right. 3. Remove the plastic covers and screws 3, 5 and 7. 4. Remove the left half-cover. 5. Rotate the arm through 180 degrees (head on the left). 6. Remove the plastic covers and screws 4, 6 and 8. 7. Remove the right half-cover. 8. To reinstall the tube housing spacer covers, carry out the above operations in reverse order. Take care to install the short screws in positions 3 and 4.

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Job Card PM004

CHECK AEC MAX EXPOSURE TIME SAFETY

Version No.: Date : July 2002

Time: 5 min

Personnel: 1 field engineer

SECTION 1 TOOLS REQUIRED D

Engineer’s standard toolkit

D

Phantom (not mandatory)

D

7 cm of plexiglass

SECTION 2 PROCEDURE 1. Place the following items on bucky so that the photocell is completely covered: – 7 cm of plexiglass – phantom or a film cassette 2. Insert a film cassette into the bucky. 3. Make a note of the Film Density Control (FDC) value on the console. 4. On the console, set the FDC to the value 5 (maximum value). 5. Set up an AEC exposure with: Mo/Mo/LF/24 kV 6. Take the AEC exposure. NO exposure should be made. The following error message MUST appear on the console: S03 Exposure aborted by AEC 7. On the console, return the FDC to its original value as noted above.

7–13

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Job Card PM004

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7–14

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Job Card PM005

CHECK EMERGENCY STOP BUTTONS

1 of 2

Version No.: Date : July 2002

Time: 5 min

Personnel: 1 field engineer

SECTION 1 PROCEDURE Note:

Be sure to check each emergency stop button at a moment during the PM visit when you need to power down the system. Do not test all three buttons successively over a short time interval. Pressing any one of the three emergency stop buttons (located on either side of the gantry column and on console) should result in a complete power–down of both the generator and gantry.

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CHECK EMERGENCY STOP BUTTONS

Job Card PM005

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7–16

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Job Card PM006

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Version No.:

CHECK COMPRESSION SAFETY

Date : July 2002 Time: 5 min

Personnel: 1 field engineer

SECTION 1 TOOLS REQUIRED D

Mammo compression tool PN 46–194427P407 or equivalent (accuracy +/– 0.5 daN)

SECTION 2 PROCEDURE 1. Install the mammo compression tool between the cassette holder and the compression paddle. 2. Increase compression gradually until the compression value on the tool displays 3 daN. – When compression is >= 3 daN, column up/down movement and arm rotation MUST both be prohibited. 3. During decompression movement, press downward on the top of the compression paddle: – Decompression movement MUST stop automatically as soon as you apply 3 daN or more force against the deompression movement.

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CHECK COMPRESSION SAFETY

Job Card PM006

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7–18

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Job Card PM008

CHECK CABLE GROUNDING AND X–RAY TUBE SAFETY

Time: 5 min

1 of 2

Version No.: Date : July 2002

Personnel: 1 field engineer

SECTION 1 TOOLS REQUIRED D

Standard toolkit

SECTION 2 CHECKING CABLE GROUNDING 1. Power off the system by pressing an emergency stop button that you have not yet tested during this PM visit. 2. Remove all power from the Senographe DMR by turning off the wall–mounted circuit breaker. 3. Check grounding of the following cables: – Anode starter motor cable (2109187) at X–ray tube end. The shield of this cable is terminated with a metal grounding clip which must be securely fixed as shown in the illustration on the next page. – Generator AC Incoming Line cable. Check tightness of connections for incoming phase, neutral and ground wires. – HV cable. To ensure proper grounding of the HV cable, tighten the 1.5 mm allen screw on the top of the cable locking ring at both ends of the HV cable. Note:

If the HV cable is not properly grounded, then intermittent console lockup and random error messages could occur – in such an event, check the grounding at both ends of the cable. – Anode return cable (2109238). Check that X–ray tube anode return wire (marked BLOC + HT) is connected to the threaded stud marked with a ground symbol on the top of the HV unit (for more information click the Anode return cable button). Anode return cable 2109238 (marked BLOC +HT)

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Job Card PM008

2 of 2

SECTION 3 CHECKING X–RAY TUBE SAFETY 1. Switch on system power. 2. Check operation of fans in X–ray tube compartment. 3. Check thermal switches in X–ray tube compartment: Disconnect connector XJ4 from board 800PL6 and check that the message: TUBE HOUSING OVER TEMPERATURE is displayed on the console. HV Connector

XJ4 on board 800PL6

Anode Starter Cable 2109187

Thermal Switch

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Job Card PM009 Version No.:

INSPECT LEAD GLASS SHIELD

Date : July 2002 Time: 2 min

Personnel: 1 field engineer

SECTION 1 PROCEDURE Visually inspect lead glass shield condition security: D

Make sure it is stable.

D

Glass is not cracked or broken.

D

Check for cracks or openings in the frame or between frame and glass.

7–21

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Job Card PM009

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Job Card PM010

1 of 2

Version No.:

CHECK HV UNIT AND HV CABLE CONNECTIONS

Date : July 2002

Time: 15 min

Personnel: 1 field engineer

SECTION 1 SUPPLIES D

HV Grease C333633

D

HV Oil C158117 (Z30118) (available in 30-liter tin only)

SECTION 2 TOOLS None SECTION 3 SAFETY PRECAUTIONS

WARNING

BEFORE BEGINNING WORK, SHUT DOWN THE EQUIPMENT AND SWITCH OFF THE SENOGRAPHE HOSPITAL SUPPLY CIRCUIT BREAKER. LOCK IT IN THE OFF POSITION OR MARK IT CLEARLY WITH A WARNING SIGN TO PREVENT OTHERS FROM APPLYING POWER.

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CHECK HV UNIT AND HV CABLE CONNECTIONS

Job Card PM010

2 of 2

SECTION 4 PROCEDURE 4.1

To check the HV Unit, refer to the illustration below, and proceed as follows: 1. Remove HV connector and visually inspect earth braid continuity. 2. Check presence of oil or grease in HV connector. If necessary, add the appropriate product. 3. Reconnect HV connector and secure the locking screw. 4. Check for presence of oil leakage around the connectors on the top of the HV unit. If there is oil leakage, replace the HV unit as per D/R Job Card HV and kV/mA Tank. 5. Check that vent screw is open. 6. Perform a visual check of connectors on HV unit. Primary Winding HV Measurement

Vent Screw

HV Connector

4.2

To check the HV connection to the X–ray tube, proceed as follows:

CAUTION

Be careful when touching the tube housing, as its temperature can be up to 80 deg. C (about 180 deg. F).

1. Remove HV connector and visually inspect earth braid continuity. 2. Check presence of oil or grease in HV connector. If necessary, add the appropriate product. 3. Reconnect HV connector and secure the locking screw.

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Job Card PM011

1 of 2

Version No.:

CLEAN SYSTEM

Date : July 2002 Time: 15 min

Personnel: 1 field engineer

SECTION 1 SUPPLIES None SECTION 2 TOOLS D

Vacuum cleaner: 46–194427P392 (for 120V supply) or 46–194427P391 (for 220V supply)

SECTION 3 SAFETY PRECAUTIONS

WARNING

BEFORE BEGINNING WORK, SHUT DOWN THE EQUIPMENT AND SWITCH OFF THE SENOGRAPHE HOSPITAL SUPPLY CIRCUIT BREAKER. LOCK IT IN THE OFF POSITION OR MARK IT CLEARLY WITH A WARNING SIGN TO PREVENT OTHERS FROM APPLYING POWER.

SECTION 4 PROCEDURE 1. Use a suitable vacuum cleaner to remove accumulated dust from the inside the tube compartment, generator cabinet and bottom of the column. 2. Check that there is no dust on the collimator diaphragm blades. If necessary, remove the dust with a clean dry cloth. 3. Check that collimator diaphragm blades move smoothly with no hard spots. If necessary, clean the sliders with a clean dry cloth.

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CLEAN SYSTEM

Job Card PM011

Blank page

7–26

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Job Card PM012

CHECK +5V SUPPLY ON GENERATOR CPU BOARD

Time: 5 min

Potentiometer locking varnish

SECTION 2 TOOLS D

Date : July 2002

Personnel: 1 field engineer

SECTION 1 SUPPLIES D

Version No.:

Accurate digital voltmeter (Fluke 87 or equivalent)

SECTION 3 SAFETY PRECAUTIONS None

7–27

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Job Card PM012

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SECTION 4 PROCEDURE 4.1

Measuring the +5V Supply Voltage 1. On the 400PL3 Generator CPU Board, measure DC voltage between TP110 (VCC) and TP111 (GND). The voltage should be in the range +5.05 to +5.15 VDC (see illustration below). 300PL4 CPU BOARD

TP 111 (–)

TP 110 (+)

2. If the measured voltage is in the specified range, stop here. 3. If the measured voltage is out of range, perform the corrective action in the following section.

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4.2

Job Card PM012

3 of 4

Adjusting the +5V Supply Voltage

Note:

Do not perform this procedure unless the voltage measured in the previous section is outside the specified range. 1. On the 400PL3 Generator CPU Board, measure DC voltage between TP110 (VCC) and TP111 (GND). 2. Adjust the potentiometer on the power supply unit to obtain 5.10VDC on the voltmeter (see illustration below). 3. Apply potentiometer locking varnish to the potentiometer to prevent further movement. POTENTIOMETER LOCATION IN POWER SUPPLY Potentiometer

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Job Card PM012

Blank page

7–30

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Job Card PM013

CHECK COLUMN UP/DOWN MOVEMENT

1 of 2

Version No.: Date : July 2002

Time: 10 min

Personnel: 1 field engineer

SECTION 1 SUPPLIES D

Lubricant 46–194427P85

SECTION 2 TOOLS D

Standard toolkit

SECTION 3 SAFETY PRECAUTIONS

WARNING

BEFORE BEGINNING WORK ON THE COLUMN MECHANISM, SHUT DOWN THE EQUIPMENT AND SWITCH OFF THE SENOGRAPHE HOSPITAL SUPPLY CIRCUIT BREAKER. LOCK IT IN THE OFF POSITION OR MARK IT CLEARLY WITH A WARNING SIGN TO PREVENT OTHERS FROM APPLYING POWER.

SECTION 4 PREREQUISITES D

Remove the Gantry Column covers. Refer to the PM Job Card Remove System Covers.

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Job Card PM013

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SECTION 5 PROCEDURE 5.1

Check column movement 1. With the compression paddle out of compression, check that all four sets of column up/down control buttons are operational (check each button for up and down movement of column). 2. Move column to its upper and lower limits. Optical sensors should stop movement. If optical sensors have failed, mechanical safety stops halt movement. Total one-way movement time (going either up or down) between upper and lower limits should be 16 ±2 seconds. This time includes initial acceleration, which lasts 3 seconds. 3. During column movement, check for any noise which might indicate excessive friction or binding.

5.2

Check and clean the column mechanism Refer to the illustration below, and proceed as follows: 1. Raise the column to its maximum height, to facilitate access to the column mechanism. 2. Switch off system power (see the Warning above). 3. Check for any sign of oil leakage from the gas spring (1). Leakage may indicate the need to change the spring. 4. Clean and lubricate the jack screw (2) and guide rails (3). Use 46-194427P85. 5. Check the motor drive belt (4) manually for adequate tension. 6. Clean the optical encoder disk (5).

1 2 5

3

4

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Job Card PM014

1 of 2

Version No.:

CHECK ARM ROTATION

Date : July 2002 Time: 5 min

Personnel: 1 field engineer

SECTION 1 PROCEDURE 1. With the compression paddle out of compression, check that all four arm rotation control buttons are operational (check each button for release and re-locking of arm rotation). Note:

Rotation does not work if compression is greater than 3 kg.

2. Rotate arm through its full range of +/–180deg. Check in several positions that electro-brake is sufficient, by manual action on the handles.

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CHECK ARM ROTATION

Job Card PM014

Blank page

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Job Card PM015

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Version No.:

CHECK COMPRESSION FORCE

Date : July 2002 Time: 10 min

Personnel: 1 field engineer

SECTION 1 SUPPLIES D

Light oil suitable for lubrication of compression guide rail.

SECTION 2 TOOLS D

Compression measurement tool: GAMMEX RMI model 817 or Mammo compression scale p/n 46-194427P407 (digital display).

D

Standard toolkit.

SECTION 3 SAFETY PRECAUTIONS

WARNING

BEFORE BEGINNING WORK ON THE COMPRESSION MECHANISM, SHUT DOWN THE EQUIPMENT AND SWITCH OFF THE SENOGRAPHE HOSPITAL SUPPLY CIRCUIT BREAKER. LOCK IT IN THE OFF POSITION OR MARK IT CLEARLY WITH A WARNING SIGN TO PREVENT OTHERS FROM APPLYING POWER.

SECTION 4 PREREQUISITES D

Remove the Compression Arm covers. Refer to the PM Job Card Remove System Covers.

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Job Card PM015

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SECTION 5 PROCEDURE 5.1

Check compression. 1. Check the compression paddle mounting for signs of cracks or other damage. 2. Verify that both sets of compression/decompression pedals and the manual compression knobs located on the paddle holder all function correctly (i.e., the paddle moves up or down in response to each command). 3. Use the mammo compression scale placed between the cassette holder and the compression paddle to check calibration of the compression force display on the gantry readout. Measure one point at 5 daN, one point at 15 daN, and one point at 20 daN. The value on the gantry readout must agree within ±1 daN. If it does not, perform Job Card Calibration of Compression Force Detector in Service Manual.

Note:

If the recommended compression measurement tool is not available, this verification can be done by lowering the paddle close to the top surface of the cassette holder, installing the magnification device in the upper pair of holes, and connecting a spring dynamometer (calibrated from 0 to 20 daN) between the compression paddle and the magnification device.

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5.2

Job Card PM015

Check and clean the compression mechanism Refer to the illustration below, and proceed as follows: 1. Switch off system power (see the Warning above). 2. Check the small compression drive belt (1) manually for adequate tension. 3. Check the large compression drive belt (2) manually for adequate tension. 4. Clean and lubricate the guide rail (3). 5. Check the full length of the flexible flat cable (4) and its securing ties for any signs of damage.

1 2

3

4

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Job Card PM015

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Job Card PM016

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Version No.:

CHECK BREAST THICKNESS MEASUREMENT

Date : July 2002

Time: 10 min

Personnel: 1 field engineer

SECTION 1 SUPPLIES None SECTION 2 TOOLS D

Plexiglass in thickness increments of 0.5 cm

SECTION 3 SAFETY PRECAUTIONS None SECTION 4 PREREQUISITES None SECTION 5 PROCEDURE 1. Install the bucky and place 10 mm of plexiglass in the center of the bucky. 2. Lower the compression paddle into contact with the plexiglass. 3. Slowly increase compression force on the plexiglass while watching the breast thickness display on the gantry readout. The displayed value should remain in the range 10 mm +/–5 mm for any value of compression force (as displayed on the gantry readout) between 5 and 15 daN. 4. Replace 10 mm of plexiglass with 50 mm of plexiglass and repeat the above check. Now the displayed value should remain in the range 50 mm +/–5 mm for any value of compression force (as displayed on the gantry readout) between 5 and 15 daN. 5. If either or both of the above checks does not give a satisfactory result, perform Job Card Calibration of Breast Thickness Measurement.

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Job Card PM016

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Job Card PM018

CHECK PHOTOCELL POSITIONING

1 of 2

Version No.: Date : July 2002

Time: 2 min

Personnel: 1 field engineer

SECTION 1 TOOLS None SECTION 2 PROCEDURE

Check photocell in all positions. Detents should be distinct and movement between detents should be smooth and free of hard spots.

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Job Card PM018

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Job Card PM019

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Version No.:

CHECK FORMAT CONTROL

Date : July 2002 Time: 5 min

Personnel: 1 field engineer

SECTION 1 PROCEDURE Check that repeated pressing of each of the two format control pushbuttons, gives the sequence: 1) light centering device lights; 2) first format reduction; 3) second format reduction; 4) full format.

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CHECK FORMAT CONTROL

Job Card PM019

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Job Card PM020

CHECK TUBE HOUSING ARM DETENTS

1 of 2

Version No.: Date : July 2002

Time: 5 min

Personnel: 1 field engineer

SECTION 1 PROCEDURE 1. Activate the tube housing arm locking lever and rotate the tube housing arm to its +/– 15 deg. and +/– 27 deg. detents. When tube housing arm is locked in each of these four positions, the error message Incorrect X_Ray Incidence should appear on the console display. 2. Rotate the tube housing arm so that it is “floating” between detents. After five seconds, the error message Tube Housing Arm Unlocked should appear on the console display and Arm Unlocked should appear on the gantry readout.

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Job Card PM020

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Job Card PM021

CHECK MAGNIFICATION SENSORS AND SID SENSORS

Time: 10 min

1 of 2

Version No.: Date : July 2002

Personnel: 1 field engineer

SECTION 1 PROCEDURE 1. Set SID to 660 mm. 2. With magnification device removed, the gantry readout should show a magnification of 1.0. 3. Install the magnification device into the lower, middle and upper holes succcessively. The gantry readout should show a magnification of 1.5, 1.8 and 1.9, respectively. 4. Leaving the magnification device in the upper holes, change the SID to 610, 560 and 510 mm successively. The gantry readout should show a magnification of 1.7, 1.6 and 1.5, respectively.

Upper hole

Middle hole

Lower hole

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Job Card PM021

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Job Card PM022 Version No.:

CHECK BUCKY AND TEST BUCKY

Date : July 2002 Time: 10 min

Personnel: 1 field engineer

SECTION 1 PROCEDURE 1. Check cassette centering blade spring function. 2. Check that paddle and cassette do not move when arm is rotated from –90 to +90 deg. 3. Repeat two previous steps with cassette holder installed.

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Job Card PM022

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Job Card PM023

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Version No.:

CHECK STEREOTIX OPTION

Date : July 2002 Time: 20 min

Personnel: 1 field engineer

SECTION 1 SUPPLIES None SECTION 2 TOOLS D

Densitometer

D

Stereotix test phantom

D

Stereotix 2 Operator Manual

SECTION 3 SAFETY PRECAUTIONS Refer to safety precautions given in Stereotix 2 Operator Manual SECTION 4 PREREQUISITES None SECTION 5 PROCEDURE 1. Install the Stereotix 2 on the Senographe as described in the section Stereotix 2 Installed on Senographe DMR in the Stereotix 2 Operator Manual. 2. Make a test film as described in the section Exposure With Phantom in the Stereotix 2 Operator Manual. 3. Check that the Stereotix 2 is operating correctly by performing the following sections in the Stereotix 2 Operator Manual: –

Using the Controller Unit and the Puncture Device

–

Selecting a Second Point

4. If the results from the above checks are incorrect, schedule corrective maintenance on the Senographe: Job Card Stereotix 2 Calibration in Stereotix 2 Service Manual. 5. On the test film, use the densitometer to check the O.D. on the left and right exposures. Measured O.D. should correspond to the reference O.D. in normal exposure.

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Job Card PM023

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Job Card PM024

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Version No.:

CHECK CHAIR OPTION

Date : July 2002 Time: 5 min

Personnel: 1 field engineer

SECTION 1 SUPPLIES None SECTION 2 PROCEDURE 1. Check chair functions (all knobs function correctly, all adjustments hold firmly, no excessive looseness). 2. Check wheel safety (brakes function correctly). 3. Check armrest safety.

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Job Card PM024

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Job Card PM025

REPLACE PADDLE WITH A NOTCH OPTION

1 of 2

Version No.: Date : July 2002

Time: 15 min

Personnel: 1 field engineer

SECTION 1 SUPPLIES D

New 18x24 paddle with a notch P/N 2233355–3

SECTION 2 PROCEDURE Note:

This planned maintenance procedure is only to be performed every 24 months at Senographe DMR+ sites using the optional 18x24 paddle with a notch. 1. Determine if the optional paddle with a notch is present at the site. This paddle is identified by its notch as shown in the photograph below.

Notch

2. Replace the paddle as per the documentation provided with the new paddle. 3. Depending on the geographical location of the site (all U.S. locations and certain locations in Canada), perform the check for MQSA compliance as described in the documention provided with the new paddle. If the check fails, adjust the new paddle as described in the documentation provided with the new paddle in order to obtain MQSA compliance.

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Job Card PM025

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