ELRO FA420DVR 4-ch digital recorder + 500 gb hard disc USERS MANUAL User Manual
Page 68
Page 68
1
Time period settings are not correct
2
Incorrect settings for motion detecting areas
3
Sensitivity sets too low
4
Hardware of certain versions have limits
13
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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
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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
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、
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
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Q: Burn/USB backup error