DS-77xxNXI-I4/16P/4S NVR User Manual
UM DS-77xxNXI-I4/16P/4S 050619NA 109
11.5 Configure Video Tampering Alarm
Purpose
Video tampering detection triggers an alarm when the camera lens is covered and takes alarm response
action(s).
1. Go to System > Event > Normal Event > Video Tampering.
2. Select the camera for which to configure video tampering detection.
Figure 11-6 Set Video Tampering Setting
3. Check Enable.
4. Set the video tampering area. Use the mouse to click and drag on the preview screen to draw a
customized video tampering area.
You can click Clear to clear the current area settings and draw again.
5. Set sensitivity level (0-2). Three levels are available. The sensitivity allows you to calibrate how readily
movement triggers the alarm. A higher value more readily triggers video tampering detection.
6. Set the arming schedule. Refer to
Chapter 11.1 Configure Arming Schedule
.
7. Set the linkage actions. Refer to
Chapter 11.2 Configure Alarm Linkage Actions
.