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User Manual
User Manual of 87XX-P Series NVR
8.4 Detecting Video Tampering Alarm
Purpose:
Trigger alarm when the lens is covered and take alarm response action(s).
Steps:
1. Enter Video Tampering interface of Camera Management and select a channel you want to detect video
2. Set the video tampering handling method of the channel.
3. Set arming schedule and alarm response actions of the channel.
tampering.
Menu> Camera> Tamper-proof
Figure 8. 13 Tamper-proof Setup Interface
Check the checkbox of "Enable Tamper-proof".
Drag the sensitivity bar and choose a proper sensitivity level. Use the mouse to draw an area you want to
detect video tampering.
Click Handling button to set up handling method of video tampering.
Figure 8. 14 Set Detection Area and Sensitivity of Video Tampering
1) Click Arming Schedule tab to set the channel's arming schedule.
2) Choose one day of a week and Max. eight time periods can be set within each day.
Note:
Time periods shall not be repeated or overlapped.
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