8-10
QA Water Phantom Test
The Water Phantom Test is a noise level and uniformity test which
uses both water and air as a measuring tool. It is important that the
Water Phantom provided is used for these tests.
1. Remove Chin Cup and insert Phantom Platform.
2. Fill Phantom with distilled water to a level between 60 and 75%
of the container height.
3. Place a plastic or foam layer on top of platform. Place Phantom
on top of layer.
4. Level Phantom with a spirit level and non-metal shims, if
necessary.
5. Using the Alignment Lasers, center the water bath with the
horizontal laser across the center of the water depth.
Noise Level Test in Landscape Mode
6. Start test by selecting File > New Patient from the Main menu.
7. From the Patient Information Panel, click Add.
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