Network Video Recorder User Manual
143
Sudden Scene Change
Select a camera to configure.
Check Enable Sudden Scene Change Detection.
Optionally, check Save VCA Picture to save the captured sudden scene change detection pictures.
Set the detection sensitivity. Sensitivity range: [1-100]. The higher the value, the more easily the
change of scene can trigger the alarm.
Set the arming schedule. Refer to Chapter 11.1 Configure Arming Schedule.
Set the linkage actions. Refer to Chapter 11.2 Configure Alarm Linkage Actions.
Click Apply.
Defocus Detection
Purpose
Image blur caused by lens defocus can be detected.
Go to System > Event > Smart Event.
Click Defocus.
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