Philips CARDIOMD Service Manual page 71

Procedure
7. In the Counts field, enter 3000000 (3 mil-
lion).
8. Set Width to 30.
9. In the Window 1 field, enter 140.5 for Tc-
99m.
10. Depending on the isotope being used, fill
in the Window 2 field as follows:
For Tl-201: 68
For Ba-133: 81
For Ga-67: 92
For Am-241: 59.
11. Leave the Window 3 field blank.
12. Select the detector to be calibrated.
Note. This calibration runs in up to three dif-
ferent passes, depending on whether you enter
two (minimum) or three window values.
Note. It is possible to use Tc-99m and a dif-
ferent isotope but you must remember to
switch sources before clicking OK after the
first pass.
13. Click Continue.
14. Press and hold the hand controller Colli-
sion Override button for a minimum of 4
seconds before proceeding as follows:
15. While still pressing Collision Override,
click OK to accept automated motions
bringing the system into position for cali-
bration of the selected detector.
Note. The hand controller Collision Override
button must be kept depressed during all
automated motions to enable power to the
motors.
Note. Automated motions must be started
from the patient load position.
1MAN0158-H11 04-2005 CSIP Level 1
Details
Calibration
CardioMD Service Manual 4-15