IC Realtime 4/8 H.264E HD SDI High Definition DVR - Manual (Page 104)

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Figure 4-23
Figure 4-24
Figure 4-25
4.6.3 Video Loss
In Figure 4-21, select video loss from the type list. You can see the interface is shown as in
Figure 4-26.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 4.6.2 motion detection for detailed information.