User Manual

UM DS-90xxHUHI-F8/N User Manual 041717NA 91
15.4. Detecting Video Tampering
Trigger alarm when the lens is covered and take alarm response action(s).
1. Enter Camera Management Video Tampering interface, Menu > Camera > Video Tampering Detection.
2. Select a channel on which you want to detect video tampering.
Figure 142, Video Tampering Interface
3. Check the Enable Video Tampering Detection checkbox.
4. Drag the sensitivity bar to choose sensitivity level.
5. Click Set button to set video tampering handling method. Set channel arming schedule and alarm
response actions.
6. Click Arming Schedule tab to set the response action
arming schedule.
7. Choose one day of a week, and up to eight time periods can be set within each day.
NOTE: Time periods must not repeat or overlap.
Figure 143, Set Arming Schedule of Video Tampering
8. Select Linkage Action tab to set alarm response actions of video tampering alarm.