Siemens SOMATOM Emotion syngo CT 2007E Operator's Manual page 534

Constancy Test of the Monitor
Testing the homogeneity of the
image brightness
F.7-8
syngo CT 2007E
02/2008
This test ascertains any deviations in the luminance (L) within
the image.
F . 7
Select test image 3.
With the luminance meter measure a point close to the
center (L
(L
corner
Maximum deviation of the corner points:
Flatscreen ± 20% (max.)
Calculation of the deviation in % = 100 x (L
L
center
Visual interference such as ghosting, artifacts, overshoots, light
f B
. 7 F
or dark spots, flickering etc. encountered.
Please consult your service technician.
) and four measuring points in the corners
center
).
Quality Assurance
- L
center corner
Emotion Operator Manual
F . 7
F . 7
F . 7
) /
F . 7
F . 7
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0 . 0
0 . 0