Bosch EX49N Installation Instructions Manual page 27

No Video
(cont'd.)
__________
Poor
Picture
Snowy
Image
2. Video
Connections
________________
Poor Video Signal
21
Determine if wiring
polarity at "Video
Connector" terminal
block is correct.
Check the cable
and BNC
connector.
If still no video,
connect the camera
directly to the
monitor. Check the
video signal. If
okay, the problem
is with the
interconnections.
If still no video,
contact BOSCH
Service Center.
See rear page of
this manual for
contact information.
____________
Ensure the video
cable is correctly
matched and
terminated with 75
ohms at each end.
Make sure the
video cables are
similar types.