IC Realtime Flex Series: 8-CH High Performance H.264E 2U DVR with DVD-RW - Manual (Page 53)

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Figure 4-31
4.6.3 Video Loss
In Figure 4-25, select video loss from the type list. You can see the interface is shown as in
Figure 4-32.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:
z
You can enable preset/tour/pattern activation operation when video loss occurs.
z Please refer to chapter 4.7 for local alarm setup information, except there is no device
type, anti-dither, video matrix function.
z System only enables video loss function during the period you set here. It is null for
motion detect or camera masking type.
Figure 4-32
4.6.4 Camera Masking