Troubleshooting – TOA Electronics C-CV854D-3 CE User Manual
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Remedy
· Switch on the main power.
· Connect the cables correctly.
· Solder BNC plugs correctly.
· Switch on the main power.
· Adjust the focus properly.
· Remove dirt on the lens.
· Adjust the level correctly.
Focus the lens again after turning the
Focus adjustment switch of the Mode
switch to "ON" position. After adjustment
completion, be sure to turn the Focus
adjustment switch of the Mode switch to
"OFF" position.
Set the adjustment switch to "OFF."
Set the adjustment switch to "OFF."
Symptom
No camera image dis-
played on the monitor.
Camera image is not
clear.
When the object be-
comes dark, it could
be out of focus.
The color of the came-
ra image changes
periodically.
The screen flickers
even when the flicker-
less switch is set to
"ON."
Possible Cause
· Monitor TV's power is not switched
ON.
· Cables are not correctly connected.
· BNC plugs are not correctly solder-
ed.
· Camera's power is not switched ON.
· Camera lens does not focus
properly.
· Lens is dirty.
· Image black level of the monitor is
not correctly adjusted.
If the focus is adjusted for a subject
under good lighting conditions, the
subject may go out of focus when
conditions become dark. (Effects of
depth of field)
The Focus adjustment switch is set
to "ON."
The Focus adjustment switch is set
to "ON."
8.5. Mode selection switch
Set the operation when the object becomes dark.
D/N:
The camera mode automatically switches from color to black-and-white operation when the
object becomes dark.
COLOR:
The camera mode does not switch to black-and-white operation even if the object becomes
dark. The camera always generates color images.
ON
OFF
1
2
3
4
5
ON
OFF
1
2
3
4
5
ON
OFF
1
2
3
4
5
ON
OFF
1
2
3
4
5
8.4. ATW/AWB selection switch
Set the white balance operation.
ATW:
Set to this position during normal use. The camera's white balance automatically changes as
an object's color temperature varies.
AWB:
Use this switch when the difference between the displayed color and actual color is annoying.
Shoot the white object, then turn the switch ON. The camera operates on the initially set white
balance even if an object's color temperature changes.
9. TROUBLESHOOTING