Steren CCTV-085 Manual De Instrucciones página 26

7. TROUBLESHOOTING
1. No sound while a call.
• Check the cable connection between the monitor and camera.
• The volume is at the lowest level.
2. Unclear image.
• Check the monitor brightness, it may be at the lowest level; adjust to a lighter level.
3. The door will not open.
• The cable to open the door is not connected or shorted, or the cable connection
between indoor and outdoor units is far or too thin, replace the cable with one of better
quality.
• Check that the electric lock is compatible with this device.
4. The date and the time are incorrect.
• If there is a power failure or a power outage, when the power is restored the time and
date will be incorrect, reconfi gure.
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