61 25 665 D3437
170
D3437
.
076.01.15
.
02 06.2012
7 Adjusting/calibrating the unit
Sirona Dental Systems GmbH
7.3 Adjustment and calibration via the "Service Functions" menu
Service Manual GALILEOS
ª
The brightness distribution along the surrounding border must be
uniform (A).
A shadow in the image indicates horizontal or vertical
displacement of the diaphragm.
ª
The distance between the bottom edge and the lowest point in
the image should be 65 ± 5 pixels (measure with SIDEXIS scale).
No surrounding gray shadow should be visible (D).
A surrounding gray shadow in the image indicates that the
diaphragm is too small.
If the distance between the bottom edge and the lowest point in
the image is out of tolerance (E), or the brightness distribution
along the surrounding border is not uniform (C), or a surrounding
gray shadow is visible in the image (diaphragm opening too
small) (D), the diaphragm must be adjusted
5. If the exposure is OK (A+B), confirm this by clicking the check box
underneath the message window.
ª
The box will appear checked.
ª
Calibration of the diaphragm is now complete.
6. Continue the calibration procedure with the radiation field
Summary of Contents for galileos
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