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Possible reasons are as followed:
1
Front vidicon quality is bad. The lens is too dirty. The vidicon is in backlighting installation.
2
The hard disk capability is not enough.
3
The hard disk is damaged.
22、
The downloading files can not play.
Possible reasons are as followed:
1
There is no media player.
2
There is no DX8.1 software or higher edition.
3
There is no DivX503Bundle.exe file to play AVI video files.
4
The DivX503Bundle.exe and ffdshow-2004 1012 .exe files must be installed in the windows
xp system.
23、
I can not remember the advanced code or network code in the local menu operation.
Please contact the local service or call the HQ service. We will offer the service according the
machine type and the program edition.
5.2 Maintenance
1
Please brush printed circuit boards, connectors, fans, machine box and so on regularly.
2
Please keep the grounding well done to prevent the video or audio signal interfered and the
DVR from static or inductive electricity.
3
Do not pull out the video signal line or RS-232 port or RS-485 port with the power on.
4
Do not use the TV in the local video output port(VOUT) of DVR. It will damage the video
output circuit easily.
5
Do not turn off the switch directly. Please use the turn-off function in the menu or press the
turn-off button in the panel (3 seconds or longer) to protect the hard disk.
6
Please keep the DVR away from heat resource.
7
Please keep the DVR ventilated for better heat radiator.
Please check the system and maintain regularly.
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