ADT DVR7800S-U Series User Manual page 100

Hybrid Standalone DVR User Guide
3.5.1.3 Video Masking
The Video Masking feature alerts you when someone maliciously masks the lens, or the output video
is in monochrome due to a change in ambient light.
To set up a Masking event:
1. Open the Detect screen by selecting Main Menu > Setting > Event > Detect. The Detect
screen opens.
2. Select the Video Masking tab.
3. In the Channel area, select the channel you want to set up from the dropdown list.
4. Check the Enable checkbox to enable the Masking feature for this channel.
5. In the Period area, select the Setup button. The Setup dialog opens for setting the motion
detection period.
DVR7800S-U Series Hybrid DVR User Guide
Figure 3-47
3 Local Menu Operations
90