User Manual of DS-91/90HFI-ST/RT/XT & DS-81/80HFI-ST & 91/90/81HWI-ST Series DVR
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8.4
Detecting Video Tampering
Purpose:
Trigger alarm and take alarm response action(s) when the lens is covered.
Steps:
1.
Enter Video Tampering interface and select a channel you want to detect video tampering.
Menu> Camera> Tamper-proof
Figure 8. 16
Tamper-proof Settings Interface
2.
Set the video tampering handling method of the channel.
Check
checkbox to enable detecting video tampering.
Drag the sensitivity bar and choose a proper sensitivity level. Use the mouse to draw an area you want to
detect video tampering.
Figure 8. 17
Set Detection Area and Sensitivity of Video Tampering
3.
Click
to set handling method of video tampering. Set arming schedule and alarm response actions of the
channel.
1)
Click
Arming Schedule
tab to set the channel’s arming schedule.
2)
Choose one day of a week and up to eight time periods can be set within each day. Set up arming
schedule of other days of a week. You can also use
to copy an arming schedule to other
days. Click
to save the settings.
