Planmeca Proline XC Technical Manual page 89

AUTOMATIC EXPOSURE CONTROL (AEC) CALIBRATION Chapter D - ADJUSTMENT & CALIBRATION
The display shown below appears. Switch ON the AEC by touching the AEC field.
Figure 61
Place the AEC calibration filter to the front of the primary collimator. Note that in the pano-
ramic X-ray unit you have to tape the AEC calibration to the primary collimator mechanism.
You will leave this filter in place for the entire AEC calibration procedure.
Panoramic X-ray unit Pan/ceph X-ray unit
AEC calibration
filter
Figure 62
Load the cassette with a film and slide it into the cassette holder.
Protect yourself from radiation and press the exposure button.
CAUTION Radiation is generated when the exposure button is pressed. Take adequate protection
measures. Keep the exposure time as short as possible.
During the exposure the AEC-signal is shown on the display. Adjust the collimator position in
horizontal direction until the signal reaches its maximum value as follows.
Planmeca Proline XC X-ray unit D-35
Technical Manual