Sirona ORTHOPHOS XG 3 DS, Service Manual

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59 38 399 D3352
D3352.076.01.13.02
07.2008
7 – 11
Tab 7 7.5 Checking the light localizers
7.
5
Checking the position of the light lines
(FH and MS) on the PAN
z
Switch the light localizers on and check the positions of the light lines:
– The horizontal light line (FH) must be running horizontally
– The vertical light line (MS) must be running vertically through the cen-
ter of the forehead support down to the center of the support piece
NOTE
i
Tip: When checking and adjusting the light localizers use the following as
reference lines:
For the FH light localizer: Edge of the tube assembly light localizer
For the MS light localizer: Support piece, inserted bite block or
Forehead support
If the light beam alignment is not correct:
Æ
Adjust the light localizers
(see chapter 6)
Checking the position of the light lines
(FH) on the Ceph
z
Switch the light localizers on and check the positions of the light lines:
Æ
The horizontal light line (FH) must be running horizontally between
the temple supports at the height of the ear plugs
NOTE
i
Tip: When checking or adjusting the light localizer, you may use a PA or AP
view to assess the light beam on the ear plugs.
FH
29
MS
60 90 120
70 80 100 110
FH