Planmeca Proline CC Technical Manual page 146

Chapter E - DIMAX3 DIGITAL SYSTEM ADJUSTMENT
E-58 Planmeca Proline CC panoramic x-ray
The text Exposure appears.
Figure 105
Take an exposure. On the image you will see the images of a metal ball and a metal ring. The
must be concentric, or if not exactly concentric there must be a small gap between the edge of
the ball and the inner edge of the circle. If the ball and ring are correctly positioned, the test
image is accepted.
If the ball touches the ring the ear posts must be adjusted, refer to section "Head support adjust-
ment" on page E-60.
Technical Manual