Pmt Calibration Procedure - Philips CARDIOMD Service Manual

4.2.3.3

PMT Calibration Procedure

To be performed:
Detector:
Source:
Total calibration time:
Calibration file created:
Note. If the CardioMD system is equipped with the AC Option, the transmission scanners must be
removed before PMT calibration can be performed. See Chapter 12 CardioMD AC Option for
instructions.
Note. The detector cover must be in place and the detector electronics must be at normal operating
temperature before this procedure is started.
Procedure
1. Ensure that the CardioMD system is in the
patient load position.
2. On the Persistence page, click the Tools
button.
3. When the Calibration & Configuration
menu appears, click Service.
4. If prompted, enter the service password
(see page 4-9 for instructions).
5. In the Service Calibrations menu, click
PMT.
The PMT page appears.
6. Unless a major repair requires a tuning
from scratch, select Update PMT table.
7. Select the appropriate isotope (either Tc-
99m or Co-57).
8. Select detector 1 or detector 2 to be cali-
brated.
1MAN0158-H11 04-2005 CSIP Level 1
At installation, and when the EDC board, PMT tube, X-E
board, Y board or crystal is replaced.
One detector at the time, without collimator.
Tc-99m or Co-57. 40 MBq or 1 mCi in the source holder.
Approximately 10 minutes per detector.
C:/Cardiocam/calibrations/pmtcal.det1
respectively.
Details
Calibration
and
det2
CardioMD Service Manual 4-11