VDH-CK800 Hardware Manual
8
Pay attention to the following when you select a PC display instead of a
monitor.
1.
Do not remain switched on for a long time to extend the life of the
equipment;
2.
Regular degaussing will help to maintain the normal operation of the
monitor.
3.
Keep away from equipment with strong electromagnetic interference.
Using TV as video output device is an unreliable alternative. It is also
required to minimize the time of use and strictly control the power, the
interference caused by neighboring devices. Leakage risks of low quality
TVs may result in damage to other equipments.
F.
Q & A and Maintenance
1.
Q & A
Q 1.
After power on, DVR doesn
’
t work.
A: The possible causes:
1. Wrong power input
2. bad connection of power cable
3. Power error
4. Firmware update error
5. Disk error or cable problem
6. Front panel error
7. Main PCB board error
Q 2.
After power-on, DVR will restart after several minutes or the screen
freezes.
A: The possible causes:
1. Unstable or low input voltage
2. The hard drive has bad sectors or cable error
3. Low adaptor power
4. Front video signal not stable
5. High temperature, too much dust and the machine runs in a bad
condition
6. DVR hardware error
