IC Realtime Flex Series: 64 Channel 2CIF 3U Standalone DVR - Manual (Page 57)

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Figure 4-27
Figure 4-28
4.5.3 Video Loss
In Figure 4-22, select video loss from the type list. You can see the interface is shown as in
Figure 4-29.This function allows you to be informed when video loss phenomenon occurred.
You can enable alarm output channel and then enable show message function.
Tips:
You can enable preset activation operation when video loss occurs.
Please refer to chapter 4.5.2 motion detection for detailed information.