User Manual

DWC-B8553TIR, DWC-B8563TIR
14
9 TROUBLESHOOTING
Before sending your camera for repair, check the following or contact our technical
specialist.
FOR NO VIDEO
Check the coaxial cable and make sure it is connected securely.
Check the power supply and make sure the camera has the proper voltage and current.
FOR OUT-OF-FOCUS VIDEO
Check the Front case cover and the lens for dirt or fingerprints. Use a soft cloth and gently
clean.
The use of a field test monitor is recommended.