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Defocus Detection
Purpose
Image blur caused by lens defocus can be detected.
Go to System > Event > Smart Event.
Select a camera to configure.
Click Defocus.
Check Enable Defocus Detection.
Optionally, check Save VCA Picture to save the captured defocus detection pictures.
Drag the Sensitivity slider to set the detection sensitivity. Sensitivity range: [1-100]. The
higher the value, the more easily the defocus image will be detected.
Set the arming schedule. Refer to Chapter 12.1 Configure Arming Schedule.
Set the linkage actions. Refer to Chapter 12.2 Configure Alarm Linkage Actions.
Click Apply.
PIR Alarm
Purpose
Network Video Recorder User Manual
Defocus Detection
169
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