Planmeca ProMax User Manual page 26

5 Cephalometric exposure
22 Planmeca ProMax
1. To take a posteroanterior exposure, place the nasal positioner next
to the sensor.
2. To take an anteroposterior exposure, place the nasal positioner next
to the collimator.
The corresponding program is automatically selected and the illustration
on the screen shows that projection.
User's manual