Checking The Light Localizers - Sirona ORTHOPHOS XG 3Dready Service Manual

7.6 Checking the light localizers

Checking the position of the light lines
(FH and MS) on the PAN
FH
MS
Checking the position of the light lines
(FH) on the Ceph
FH
7 – 12
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 bite block holder
i
NOTE
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: Bite block holder, inserted bite block or
If the light beam alignment is not correct:
Adjust the light localizers
(see chapter 6)
29
Switch the light localizers on and check the positions of the light lines:
The horizontal light line (FH) must be running horizontally between
the temple supports at the height of the ear plugs
i
NOTE
Tip: When checking or adjusting the light localizer, you may use a PA or AP
position on the ear plugs to assess the light beam.
Forehead support
Tab 7
59 38 399 D3352
D3352.076.01.26.02 09.2016