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Exhibit
Troubleshooting
Error
No picture
The picture is noisy
The picture is too bright
The picture is not sharp
The picture is distorted
Ghost image
Synchronisation of cameras
does not work properly
Please contact your authorised dealer with an exact failure description if none
of the above remedy measures fixes your problem.
Cause
-
No operating voltage (check red LED)
-
Coaxial connection interrupted (check video cable)
-
Insufficient light
-
The lens drive of the used lens (DC / AI) is not
properly adjusted to the camera (level too low)
-
The lens drive of the used lens (DC / AI) is not
properly adjusted to the camera (level too high)
-
Too much peak light; change camera location or
activate backlight function of the camera
-
Focus not adjusted properly
-
Back focus not adjusted properly
-
When used outdoors: heater defective; front pane of
camera housing gets steamy
-
Different GND potentials between camera and
monitor; use opto coupler (e.g. VPT from videotronic)
-
Bad connections
-
Wrong 75
termination
-
Shield of video cable interrupted
-
No or bad linelock connection between camera (12
V/DC version) and power adapter
-
Mains plug twisted; turn the mains plug by 180° to
change the linelock phase
-13-
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