Figure 7.5.
Background Time Screen.
Three radio buttons are displayed on the screen; one for 30, one for 60, and one for 100
seconds. Touch the desired time to highlight it and touch <Accept>. The Moly Assay screen
will be displayed with the new background counting time.
NOTE:
When the background counting time is changed, it changes the Moly Background
Time and the Dose Calibrator background counting time. Touch <Cancel> and proceed to
Step 5 if the background time is to remain unchanged.
5.
Make sure there is no source in the detector. Place the empty Moly Shield into the detector
and touch <Zero Background>.
6.
Select <Zero Background> to begin a background count time lasting 30, 60 or 100 seconds
depending on what you have selected for your background time.
Figure 7.6.
The Moly Assay Reading screen with Moly Assay activity displayed.
NOTE:
A Mo-99 background count using the empty Moly Shield must be performed before
performing a Moly Assay.
7.
Select <Accept> to record the Moly background.
8.
Place the vial or syringe of Tc-99m into the Moly Shield and place it into the detector.
9.
Press <Record Reading>. The system will prompt you to wait 30 seconds for the activity
reading.
Summary of Contents for ATOMLAB 500
Page 1: ...ATOMLAB 500 DOSE CALIBRATOR OPERATION AND SERVICE MANUAL 086 330 086 332 FN 17 355 9 17...
Page 89: ...Figure 6 28 A Geometry Test Reports Screen...
Page 162: ...10 Parts and Assembly Instructions TBD...
Page 211: ......
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