2 Incorrect settings for motion detecting areas
3 Sensitivity sets too low
4 Hardware of certain versions have limits
13
Q: Cannot log in from client end or through WEB
A: Possible cause:
1 Client cannot install or normally display whether the OS is Win98 or Win me: We
recommend upgrading to version Win2000 SP4 or higher, or installing an earlier version of
the customer software.
2 ActiveX control is disabled
3 Version dx8.1 or higher is not installed. Upgrade video card driver
4 Network connection error
5 Network setup error
6 Incorrect user name and password
7 Version of client software does not match the program version of DVR
14
Q: No video image or only mosaic on network preview and video playback screen
A: Possible cause:
1 Insufficient network bandwidth
2 Client’s PC may have resource constraints
3 DVR may have the area masked or privacy protection on the channel
4 The user logged in has no monitoring permission
5 The quality of the real-time DVR video output is poor
15
Q: Unstable network connection
A: Possible cause:
1 Unstable network
2 IP address conflict
3 MAC address conflict
4 Bad network card in PC or DVR
16
Q: Burn/USB backup error
A: Possible cause:
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