Chapter E: CALIBRATIONS 1 ADJUSTING AND CALIBRATING X-RAY BEAM
Technical manual Planmeca ProOne 109
1.8.3 Adjusting the Frankfort plane light position
The Frankfort plane light is positioned in the moving column.
Attach the Frankfort plane alignment tool to the ball phantom as shown below. The
Frankfort plane alignment tool is marked with two horizontal reference lines.
If the patient positioning lights are not already on, touch either of the target position arrows
on the control panel main display to switch them on. The main display is the display that is
shown when the X-ray unit is switched on.
Ball phantom
y-line
Patient support table
Midsagittal light beam