LT Security LTN7600 Series NVR (V2.2.3) - Manual (Page 133)

User Manual of DS-9600/8600/7700/7600 Series NVR
133
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 Handling button to set up handling method of video tampering.
Figure 8. 13 Set Detection Area and Sensitivity of Video Tampering