63
Possible reasons are as followed:
1
The system is windows 98 or windows me. We recommend updating to windows 2000sp4 or higher
edition or installing the software for low edition.
2
ActiveX is hold back.
3
The edition is not exceeded dx8.1. Update the display card driver.
4
Network connection failure.
5
Network setting issues.
6
Invalid password or user name.
7
The user edition is not matched the DVR program edition.
14
、
The image is not clear or there is no image in network preview state or video file playback state.
Possible reasons are as followed:
1
Network is not stable.
2
The user machine is resource limited.
3
Choose the play-in-team mode in the network setup of DVR.
4
The region shelter or channel protection is set.
5
The user has no surveillance purview.
6
The real-time image of the hard disk recording machine itself is not clear.
15
、
Network connection is not stable.
Possible reasons are as followed:
1
Network is not stable.
2
IP address is conflicted.
3
MAC address is conflicted.
4
The network card of the computer or the hard disk recording machine is bad.
16
、
There is something wrong with the USB backup or writing a CD.
Possible reasons are as followed:
1
The rewritable machine and the hard disk are shared the same data lines.
2
The data is too much. Please stop recording and backup.
3
The data exceeds the backup storage.
4
The backup equipment is not compatible.
5
The backup equipment is damaged.
