User Manual

Network Video Recorder User Manual
156
8.4 Detecting Video Tampering Alarm
Purpose:
Trigger alarm when the lens is covered and take alarm response action(s).
Step 1 Enter Video Tampering interface of Camera Management and select a channel you want to
detect video tampering.
Menu> Camera> Video Tampering
Figure 8-11 Video Tampering Setting Interface
Step 2 Set the video tampering handling action of the channel.
1) Check the checkbox of “Enable Video Tampering Detection”.
2) Drag the sensitivity bar to set a proper sensitivity level. Use the mouse to draw an area
you want to detect video tampering.
3) Click button to set up handling action of video tampering.
Step 3 Set arming schedule and alarm response actions of the channel.
1) Click Arming Schedule tab to set the arming schedule of handling actions.
2) Choose one day of a week and Max. eight time periods can be set within each day.
3) Click Apply button to save the settings.
Time periods shall not be repeated or overlapped.