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138 ATOMLAB 500 DOSE CALIBRATOR
10. Place the first volume in the detector. The first measured activity reading is displayed in red.
When the measured activity settles, touch <Record Reading> to record the measured activity
reading. The system advances to the second volume.
11. Remove the sample and adjust the volume for the second measured volume. Replace the
source in the detector. When the reading settles, touch <Record Reading>. continue
removing the source from the detector and adjusting the volume until all volume
measurements are completed.
12. Once the normalized volume is counted, the system calculates the activity and correction
factor or variance. As each new volume is recorded, the calculation for that volume is
performed.
NOTE: To stop the test before all volumes are measured, touch <Save> to keep the test with the
volumes already recorded.
NOTE: If any of the correction factors are out of the acceptable range they will be
highlighted in red.
NOTE: The normalized volume reading is the volume used as the starting point for the
calculations. The calculated activity matches the measured activity for the normalized
volume and is displayed. The correction factor is 1. All future calculated activity uses this as a
start point.
13. After the last reading is completed, touch <Save Data>. The Save Geometry Test Data screen
is displayed.
14. Touch <Staff Member>. The Staff Member List is displayed. Touch to highlight any listed
person. (If only one staff member is on the list, the system will default to that
person on the Save Geometry Test Data screen.) Touch <Enter> to select the
staff member and return to the Save Geometry Test Data screen. If necessary, touch
<Add Staff Member> or <Delete Staff Member> to update the Staff Member List.
15. Touch <Save Data>. The system responds with a “data saved” message and returns to the
save Geometry Test data screen.
16. Touch <View Data> to advance to the Geometry Test data screen. From here you can
<Delete Data>, or select to view data from an <Earlier Date> or <Later Date>. <Select
Isotope> toggles the screen through the data for each isotope used to complete a test.
17. Touch <Back> to return to save Geometry Test screen, <Measure> to advance to the count
screen, or <View Data> to go to the Geometry Test data screen.
18. If you select <View Data> you can see the Geometry Test just performed, or any Geometry
test previously completed. If a printout is desired, touch <Print> to print the Geometry Test
Data screen.
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