Chapter E - C-ARM AND IMAGING ARM
E-14 ProMax X-ray unit with Dimax3
PANORAMIC BEAM AND PATIENT POSITIONING MECH-
Technical Manual
1.6 X-ray unit with fixed primary collimator - primary collimator
adjustment
NOTE In case your X-ray unit is equipped with a multi primary collimator, adjust the primary
collimator angle according to the instructions given in section 1.4 “Primary collimator
angle adjustment” on page E-9, and adjust the panoramic beam according to the
instructions given in section 1.5 “Panoramic beam adjustment” on page E-10.
WARNING
Do not adjust the position of the primary collimator mechanism while X-rays are being
generated. Check the beam position, adjust the position with the X-rays switched off
and then recheck the position. If the beam is still misaligned, repeat the procedure.
Select kilovolt and milliampere values high enough to enable the radiation beam to be seen in
the darkened room. The actual values will depend on how dark the room is.
To enter the calibration mode first touch the i-field on the
Main
display. Select Technical cali-
brations (i600) from the list on the display. The password to the Technical calibrations mode
is asked when the Technical calibrations mode is entered for the first time after switching the
unit on. The password is 1701.
Figure 21
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