Regal 53 SC Owner's Manual page 441

Chapter 9
ELECTRONICS-CAMERAS
If the camera does not function check the following:
1. Make sure the cable is tightly connected and it is free
of corrosion.
2. Check system fuses and breakers.
3. Check that the plotter is set up properly to view the
camera image via the display. Check the optional equipment
operation for more information.
4. The camera has no serviceable parts.
16