biodex ATOMLAB 500, Operation And Service Manual, Page: 119 / 212

thereafter.
To Perform A Calicheck Linearity Test:
1.
From the QA Dose Calibrator menu, touch <Linearity Testing>. The Linearity
Testing screen is displayed.
2. Touch <Calicheck Test>. The Calicheck Test screen is displayed.
•
Touch <Back> to return to the Linearity Testing screen.
•
Touch <Zero Background> to zero the background reading if necessary.
NOTE: The starting activity used for the Calicheck Test should be a similar activity to
the initial Calicheck Test.
3.
Place the Tc-99m vial into the Calicheck Black Tube. Place the Black Tube into the
detector. The activity for the Black Tube is now displayed as a live reading.
4. Once the reading has stabilized, touch <Record Reading>. The reading for the Black
Tube only is recorded and the line for the Black and Red Tube is now displayed as a
live reading.
Figure 6.77. Calicheck Test Screen for Black Tube Test.
5.
Touch <Record Reading> to record the reading for the Black and Red Tube.
Figure 6.78. Calicheck Test Screen for Black Tube Test.
6. Continue taking readings by touching <Record Reading> after each new tube is
placed in the detector (be sure to remove the previous colored Tube before adding a
new tube).