Bosch EX49N Installation Instructions Manual page 22

Disc
Rotation
This adjustment is necessary in case the image
on the monitor is not aligned.
DO NOT touch the camera lens during this
adjustment.
Grip the camera boards between thumb and
finger. Rotate the disc until the image is
correctly shown on a monitor.
FIGURE 4 – 4
Camera Twist Adjustment
16
Camera Lens.
Adjustable Disc
for rotation
Camera
Boards
(dual)