Planmeca ProX User Manual page 15

PREPARATIONS FOR THE EXPOSURE
7.2.4 Long rectangular cone
Push the rectangular cone into the short cone so that the
red dots on the short cone and on the rectangular cone are
in line (1), and rotate the cone 180°, until the black dot on
the rectangular cone and the red dot on the short cone are
in line (2). The cone can be now rotated in its position ±90°.
1.
2.
180°
Red points
The rectangular cone can be removed when the red dots
on the short cone and on the rectangular cone are in line.
User's Manual Planmeca ProX 11