Planmeca ProMax 3D Max with ProTouch Technical Manual page 118

5 Panoramic and 3D calibrations
112 Planmeca ProMax 3D Max
9.b. Compare the sensor edges and collimator blade edges on each
side.
The collimator angle is correctly adjusted if all borderlines are
parallel on each side, that is, the active area is rectangular, as
shown in the figure below.
10. Adjust the collimator blade angles, if necessary.
Note the following issues before starting the adjustments:
• The angle of all four collimator blades can be separately adjusted.
• For each blade there are two adjustment screws. When adjusting the
blade angle, at first the other screw must be loosened and then the
opposite site screw can be then tightened, while the angle of the
blade changes.
NOTE
Do not tighten hard the opposite site screw but only screw it until it
reaches the other screw.
• The extended 2 mm Allen key (part number 10039252, included to
the calibration tools) is required to reach and to adjust the screws.
• The adjustment screws are accessible through the holes located on
the each side of the collimator frame. To find an appropriate
adjustment screw, there are figures to help to locate the adjustment
screws later in these instructions.
• Adjust the collimator blades with small steps, rotate the adjustment
screws e.g. only 1/8, 1/4 or 1/2 rounds at a time.
• From the beam check test image on the Device tool display, find out
which blade and which direction the blade angle should be adjusted.
• The beam check test image on the Device tool display is positioned
as seen from the tube head direction, that is, it is a left-right mirror
Technical manual