IC Realtime H.264E Hybrid DVRs 4/8/16-CH Analog + 4/8/16-CH IP - Manual (Page 51)

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4.5.3 Video Loss
In Figure 4-20, select video loss from the type list. You can see the interface is shown
as in Figure 4-25.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.
Figure 4-25
4.5.4 Camera Masking
When someone viciously masks the lens, or the output video is in one-color due to the
environments light change, the system can alert you to guarantee video continuity.
Camera masking interface is shown as in Figure 4-26.
Tips:
You can enable preset/tour/pattern activation operation when video loss occurs.
Please refer to chapter 4.5.2 motion detection for detailed information.
Note:
In Detect interface, copy/paste function is only valid for the same type, which means
you can not copy a channel setup in video loss mode to camera masking mode.