Siemens SOMATOM Emotion syngo CT 2007E Operator's Manual page 466

Constancy Test
Selecting the tests
Selecting constancy or refer-
ence measurements
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syngo CT 2007E
02/2008
The single functions of the constancy test are preselected with
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a checkmark. However, you can add additional tests (e.g., CTDI
measurements) or uncheck selected tests.
Click on the tests that you want to include in addition in this
constancy test.
Deselect the tests that you do not require by clicking on
them again.
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Evaluation of the constancy test results are based on a compar-
ison with reference data that are stored in your system. These
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are determined by Siemens Service.
If you have any of the system parts replaced (e.g., tubes), the
reference data must be determined again. You can do this with
a reference measurement.
Click on the field Reference/NORMAL to toggle between a
normal constancy measurement and a reference measure-
ment.
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In reference mode, the individual selected tests are marked by
an "R". The test results will be used as reference data in the
future.
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We recommend that Siemens Service always performs your ref-
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erence measurements.
Quality Assurance
Emotion Operator Manual
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