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It can lter the sound in the environment. The louder the environment sound, the higher
the value should be. Adjust it according to the environment. Range [1-100].
Sudden Decrease of Sound Intensity Detecon
Detects a steep sound drop in the surveillance scene. You need set the detecon sensivity
[1-100].
6.
Set the arming schedule. Refer to Congure Arming Schedule .
7.
Set the linkage acons. Refer to Congure Linkage Acons .
8.
Click Apply.
6.2.4 Defocus Detecon
Image blur caused by lens defocus can be detected.
Steps
1.
Go to System → Event → Smart Event .
2.
Click Defocus.
Figure 6-6 Defocus Detecon
3.
Select a camera to congure.
4.
Check Enable.
5.
Oponal: Check Save VCA Picture to save the captured defocus detecon pictures.
6.
Drag the Sensivity slider to set the detecon sensivity.
Digital Video Recorder User Manual
88
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