Siemens SOMATOM Spirit Operator's Manual page 390

Constancy Test
Interrupting the constancy
test
F.3-6
Press the Start key on the control box.
✧
The phantom position and the gantry tilt are checked.
F . 3
i
The system alerts you if the phantom is positioned incorrectly.
F
. 3
Correct the position, if necessary.
The system then starts the first quality measurement. It is usu-
ally checking the Lightmarker position (z-positioning).
You can interrupt each test within a constancy measurement.
F . 3
Click the Cancel button.
✧
F . 3
The current measurement is aborted.
Quality Assurance
SOMATOM Spirit
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