8. IF YOU THINK THERE IS A FAILURE: (TROUBLESHOOTING)

Symptom

Possible Cause

Remedy

Camera images are

Cables are not correctly connected.

Connect correctly.

not displayed on the

The BNC plug is not correctly

Solder correctly.

monitor.

 

soldered.

 

Pictures are not clear.

Lens is not properly focused.

Adjust the lens.

 

 

Lens is dirty.

Wipe the lens.

 

 

Monitor’s image black level is not

Adjust correctly by following the instructions

 

 

correctly adjusted.

in the instruction manual for the monitor.

Subject

under dark

If the focus is adjusted for a subject

Set the Adjustment switch of the Mode

lighting

conditions

under good lighting conditions, the

setting switch to the ON position, then

goes out of focus.

subject may go out of focus when

focus the lens again. (Refer to Step 6 on p.

 

 

conditions become dark. (Influence

11.) Be sure to shift the Adjustment switch

 

 

of the depth of field)

back to the OFF position after adjustment

 

 

 

completion.

Pictures are too bright.

The position of the Iris control has

Set the Iris control to an optimum position.

 

 

been changed from the factory-

(Refer to Step 6 on p. 11.)

 

 

preset position.

 

Pictures are curved.

Lens view angle is set to wide angle

The C-CV44-3 camera employs the wide

 

 

("W" side).

angle lens. Pictures become curved when

 

 

 

the view angle is set to the W side, but this

 

 

 

is not a failure.

The color of the picture

The Adjustment switch is set to the

Shift the Adjustment switch of the Mode

periodically varies.

ON position.

setting switch back to the OFF position.

Noise appears on the

Camera cables are wired close to

Reroute the wiring.

screen.

 

other electrical equipment, such as

 

 

 

fluorescent lamps.

 

 

 

Insulation spacers are not installed.

Install the supplied insulation spacers

 

 

 

correctly. (Refer to Step 3 on p. 8.)

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TOA Electronics C-CV44-3 NTSC instruction manual If YOU Think There is a Failure Troubleshooting