COP-USA DVRC264-4CH_USB - Manual (Page 89)

Digital Video Recorder User Manual
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Master stream has higher frame rate, max 30fps for every channel. But it needs higher network bandwidth simultaneously.
Therefore, users can select the stream according to their bandwidth.
Refresh:
update the picture on the channel. Sometime the picture on one channel will freeze due to network block. At this
time, users can refresh the pictures.
6.3 Remote Playback &Backup
6.3.1 Remote Playback
Click Search to enter the playback and backup block as below, where users can make remote playback, remote backup
and remote video file management.