IC Realtime 4/8 All Channel 720P Mini 1U HD-AVS DVR - Manual (Page 44)

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4.6.3 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/tour/pattern activation operation when video loss occurs.
 System only enables video loss function during the period you set here. It is null for motion
detect or camera masking type.
Figure 4-29
4.6.4 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 4-30. You can enable “Alarm output “or “Show message” function when camera
masking alarm occurs.
 Sensitivity: The value ranges from 1 to 6. It mainly concerns the brightness. The level 6 has the
higher sensitivity than level 1. The default setup is 3.
Tips:
You can enable preset/tour/pattern activation operation when video loss occurs.
Please refer to chapter 4.6.2 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.
 About Default function. Since detection channel and detection type may not be the same,
system can only restore default setup of current detect type. For example, if you click Default
button at the camera masking interface, you can only restore default camera masking setup. It
is null for other detect types.
 System only enables camera masking function during the period you set here. It is null for
motion detect or video loss type.