Sirona ORTHOPHOS XG 3 DS, Service Manual, Page: 404 / 578

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D3352.076.01.13.02 07.2008
5.19 Service routine S034 Tabs 5
S034.4: Display/calibrate center position of ceph scan sensor axis
Switching the test mode ON 2. Press the T key to switch the test mode on.
NOTE
i
In the test mode, travel to the center position of the ceph scan sensor axis is
initially performed without offsets. The T key (XG
Plus
) or the LED above the
T key (XG 5) lights up and displays the test mode.
Determining the offset values 3. Move the sensor to its front position by pressing the R key .
NOTE
i
The sensor can always be moved back and forth between its front and center
positions with the R key.
4. Move the sensor to its center position by pressing the R key .
5. Measure distances L2 and L1 with a slide gage.
6. Calculate the offset value according to the following formula:
Ceph arm mounted on left side:
Ceph arm mounted on right side:
T T
Wall side
Sensor side
Room side
R R
R
R
L1
L2
Wall side
Room side
L1
L2
Ceph arm mounted on
left-hand side
Ceph arm mounted on
right-hand side
L2 L1
)
2
÷
–
(
Offsetwert =
L1 L2
)
2
÷
–
(
Offsetwert =