User Manual

Network Video Recorder User Manual
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14.4.6 Why is the timeline at playback not constant?
Reason
1. When the video recorder is using event recording, it only records video when event occurs.
Hence the video may not be continuous.
2. Exception occurs, such as the device offline, HDD error, record exception, network camera
offline, etc.
Solution
1. Ensure the recording type is continuous recording.
2. Go to Maintenance → Log Information. Search the log file during the video time period. See if
there are unexpected events, such as HDD error, record exception, etc.
14.4.7 When adding network camera, the video recorder notifies
network is unreachable.
Reason
1. The IP address or port of network camera is incorrect.
2. The network between video recorder and camera is disconnected
Solution
1. Go to Camera → Camera → IP Camera. Click of the selected camera, and edit its IP
address and port. Ensure the video recorder and camera is using the same port.
2. Go to Maintenance → Network → Detection. Enter the IP address of network camera in
Destination Address, and click Test to see if the network is reachable.
14.4.8 Why is the IP address of network camera being changed
automatically?
Reason
When network camera and video recorder are using the same switch but in different subnet, the
video recorder will change the IP address of network camera to the same subnet as itself.
Solution
When adding camera, click Custom Add to add camera.