Rapiscan TSA TPM-903B Operation And Service Manual - page 20

TSA TPM903 Operations and Service Manual 

Doc: # 5058 Rev. A 

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Unauthorized use or distribution is strictly prohibited 

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If the HVDAC value reaches 1000 and target counts haven’t been achieved, the calibration will 

fail because the HV is getting dangerously high (for the PMT). The unit will flash both LED’s, 

emit a short and the user will be presented with a message: 

PILLAR 1 

FAILED CALIBRATION 

PRESS ANY KEY 

After pressing any key, the user will be returned to the menu. (No sense in continuing with the 

calibration at this point). 

If the calibration completes successfully, the user will be prompted to place the source on pillar 2 

and repeat the process for that pillar. 

At the end of a successful calibration, the unit will flash both LED’s, emit a short and the 

user will be presented with a message: 

CALIBRATION 

COMPLETED 

PRESS ANY KEY 

After user presses key: 

PILLAR 1 

HVDAC: X 

PRESS ANY KEY 

After user presses key the same info will be presented for pillar 2 

Pressing any key at this point returns to menu.