Planmeca Proline XC Technical Manual page 130

Chapter E - DIMAX3 DIGITAL SYSTEM ADJUSTMENT
Primary slot adjustment - radiation beam too far to the right or left
WARNING
WARNING: DO NOT ADJUST THE POSITION OF THE PRIMARY COLLIMATOR MECHA-
NISM 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 OPERATION.
NOTE The ceph primary slots are also adjusted according to instructions given in this sec-
tion.
If the beam is too far to the left or right of the alignment rectangle they must be centered.
Beam too far to the left
Figure 36
NOTE A microprocessor controlled motor determines the position of each slot. If the beam is
readjusted to the left or right the new position must be reprogrammed into the memory.
Enter the service settings mode if you are not already in it.
From the list of Service settings select Primary collimator.
Figure 37
E-20 Planmeca Proline XC X-ray unit
PANORAMIC X-RAY BEAM ADJUSTMENT
Beam too far to the right
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