DVR systems NVR60xx Series - Manual (Page 124)

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
tampering.
Menu> Camera> Tamper-proof
Figure 8. 12 Tamper-proof Setup Interface
2. Set the video tampering handling method of the channel.
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 button to set up handling method of video tampering.
Figure 8. 13 Set Detection Area and Sensitivity of Video Tampering
3. Set arming schedule and alarm response actions of the channel.
1) Click Arming Schedule tab to set the arming schedule of handling methods.
2) Choose one day of a week and Max. eight time periods can be set within each day.