13. I cannot login via web or CMS.
Possible reasons:
A. The system is Windows 98 or ME. We recommend updating to windows 2000
SP4 or higher Version or installing the software for low edition.
B. ActiveX is not installed or blocked by web browser.
C. The version DX display dirver is not DX8.1 or later. Update the display card
driver.
D. Network connection failure.
E. Network setting issues.
F. Invalid password or user name.
G. The CMS is not matched the DVR program version.
14. The image is not clear or there is no image in network preview state or video
file playback state.
Possible reasons:
A. Network is not stable.
B. The user machine is resource limited.
C. Choose the play-in-team mode in the network setup of DVR.
D. The region shelter or channel protection is set.
E. The user has no surveillance purview.
F. The real-time image of the hard disk recording machine itself is not clear.
15. Network connection is not stable.
Possible reasons:
A. Network is not stable.
B. IP address is conflicted.
C. MAC address is conflicted.
D. The net card of the DVR is bad.
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