Appendix D Calibration (Using Generator Service Tools)
HF Series X-ray Generators - Service Manual Revision W
Quantum Medical Imaging, LLC D-39
3. Select Next to proceed to Advanced Filament Calibration Intro 2
Tab. Per the instructions provided on this screen, connect a Digital
Oscilloscope (Tektronix Model TDS2024 or equivalent) to test points
TP1 (channel 1), TP7 (channel 2), and TP4 (grounds) on KVP Control
Board A2 (AY40-003S) located on the generator PCB Door. Adjust the
Oscilloscope settings according to the screen instructions.
4. Select Next to proceed to Advanced Filament Calibration Intro 3
(Waveforms) Tab. The sample filament offset waveforms illustrate
three scenarios; filament offset adjusted too high, filament offset
adjusted too low, and correct filament offset adjustment. Keep these
in mind as you proceed through the Advanced Filament Calibration
process.
5. Select Next to proceed to Adjustment Point Selection Tab:
Figure D-24. Advanced Filament Calibration - Adjustment Point Selection Tab
6. If using an oscilloscope, select Scope radio button (Step 1.); if using
a mAs meter, select Mas Meter.