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12.
The image is not clear or there is no image in network preview state or
video file playback state.
Possible reasons are as follows:
i.
ii.
iii.
iv.
v.
13.
Network connection is not stable.
Possible reasons are as follows:
i.
ii.
iii.
iv.
14.
There is something wrong with the USB backup or writing a CD.
Possible reasons are as follows:
i.
ii.
iii.
iv.
v.
15.
The downloaded files cannot play.
Possible reasons are as follows:
i.
ii.
iii.
iv.
Network is not stable.
The user machine is resource limited.
The region shelter or channel protection is set.
The user has no surveillance preview.
The real-time image of the hard disk recording machine itself is not
clear.
Network is not stable.
IP address is conflicted.
MAC address is conflicted.
The net card of the DVR is bad.
The re-writable machine and the hard disk share the same data lines.
The data is too much. Please stop recording and backup.
The data exceeds the backup storage.
The backup equipment is not compatible.
The backup equipment is damaged.
There is no media player.
There is no DX8.1 software or higher edition.
There is no DivX503Bundle.exe file to play AVI video files.
The DivX503Bundle.exe and ffdshow-2004 1012 .exe files must be
59
DVR User M anual
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