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14. The video image is not clear or there is no image either in the network
connection
’s live preview or video file playback modes.
Possible reasons:
A.
Network is not stable.
B.
The user machine is resource limited.
C.
The region shelter or channel protection is set (restricted access).
D.
The user has no surveillance user permissions.
E.
The real-time video image recorded to the hard disk on the DVR itself is not
clear/distorted.
15. Network connection is not stable.
Possible reasons:
A.
Network is not stable and needs a network manager to perform
maintanence operations to resolve satability issue.
B.
IP address is conflicted.
C.
MAC address is conflicted.
D.
The network card within the DVR is faulty.
16. There is something wrong with the USB backup function.
Possible reasons:
A.
There is too much data to backup. Please stop recording and backup on
another device with a higher data storage capacity.
B.
The backup equipment is not compatible with the DVR.
C.
The backup equipment is damaged.