IC Realtime Max Series: 4/8/16 Channel D1 1.5U Standalone DVR - Manual (Page 53)

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Figure 4-32
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 4-33. You can enable “Alarm output “or “Show
message” function when camera masking alarm occurs.
z
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:
z
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.
z 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.
z System only enables camera masking function during the period you set here. It is null
for motion detect or video loss type.