Chapter 9 Page no. 1564
JC-DR-A-404.fm
GE Healthcare Senographe DS
Revision 1 Service Information and Procedures Class A 2385072-16-8EN
Job Card D/R A404 - HV Unit
7 COMPLETION
Carry out the following calibrations:
Calibrations - Checks Job Card
Acquisition Image Chain
Heating Current Calibration Job Card CAL A001 - Heater Current Scale Factor on page 1649
Bias Calibration Job Card CAL A003 - X-Ray Tube Focal Bias Voltage Scale Factor on
page 1655
Tube mA Measurement Job Card CAL A009 - X-Ray Tube mA Measurement on page 1663
kV Scale Factor Job Card CAL A011 - Calibration of kV Scale Factor on page 1667
mAs X-ray Calibration Job Card CAL A012 - X-Ray Tube Heater Current on page 1673
Bad Pixel Calibration Job Card CAL A041 - Bad Pixel Calibration on page 1693
Gain calibration Job Card CAL A043 - Detector Gain Calibration on page 1697
flat field tests Job Card ELE A032 – IQ Tools Flat Field Test on page 699
If IQ Tests not OK, repeat all calibrations from Bad Pixel.
Half Value Layer Job Card CAL A046 - Half-Value Layer Measurement on page 1703
Conversion Factor Job Card CAL A045 - Conversion Factor Measurement on page 1701
Use the same dosimeter as that used for CAL A046
AOP: Automatic Optimization of Parameters
AOP Calibration Job Card CAL A051 - AOP Calibration on page 1723
mAs non linearity Job Card CAL A053 - mAs Non-linearity Calibration on page 1725
AOP/SNR Check Job Card ELE A038 - AOP Mode and SNR Check on page 707
If AOP/SNR Test not OK, repeat all calibrations from AOP Calibration.