Bosch EX49N Installation Instructions Manual page 27

Photocell
LED Array
Board
Disc Rotation
This adjustment is necessary in case the
image on the monitor is not perpendicular.
DO NOT touch the camera lens during this
adjustment.
Grip the VRB Board between thumb and
finger. Rotate the Board until the image
is correctly shown on a monitor.
FIGURE 4 – 4
Camera Twist Adjustment
20