Gendex ORTHORALIX 9200 Service Manual page 124

B) Orthoralix 9200 DDE/Ceph
The X-ray collimator is moveable, with four selectable positions:
The X-ray collimator must be aligned:
oramic and transcan projections
in the ceph projections.
To help the technician in these operations, a dedicated Service
Program and a dedicated function in the Vixwin program are
available.
Panoramic and transcan adjustment
To adjust the panoramic and transcan lead plates, proceed as
follow:
1.
Switch on the unit entering the Service Programs.
Select the program
Run; select 70 kV, 9 mA and 0.16 s: the unit is now ready to
make an exposure.
2.
Remove the front cover (a) of the tubehead by unscrewing
two screws (b) and by disengaging the spring latches from
the rear cover (c), to access to the X-ray collimator.
3.
Select the panoramic position on the collimator and on the
operator panel.
4.
Fix the copper filter (b) supplied on the front part of the DMU
(a), in order to cover completely the digital sensor, by using
adhesive tape.
Gendex Dental Systems 4519-190-71193-7
-
and press Dummy
F-55
Printed on: 20 Apr 2012, 04:59:40 pm; Printed by: UWE.ZELLER
ORTHORALIX 9200 Service Manual
5.
Switch on the PC where the Orthoralix 9200 DDE is connected
to.
6.
Access to the DDE icon in the system tray: when on it, with the
cursor of the mouse, click with the right mouse pushbutton;
four options will be displayed:
7.
Select Service by clicking on it.
8.
Select Static image by clicking on it.
9.
Now, make an exposure; after the preview, the following will
appear on the monitor:
vertical dimension is compressed)
the X-ray field respect to the digital sensor.
The purpose is to have the black rectangle in the middle of
the white rectangle, with a white uniform unexposed area
all around. Look at the following example.
The grey sections may help in understanding the correct
or wrong aligment and how much the lead plate must be
adjusted.
(04.0)E