User Manual

Table Of Contents
Network Video Recorder User Manual
157
Sudden Scene Change
Select a camera to configure.
Check Enable Sudden Scene Change Detection.
Optionally, check Save VCA Picture to save the captured pictures of sudden scene
change detection.
Drag the Sensitivity slider to set the detection sensitivity. Sensitivity range: [1-100].
The higher the value is, 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:
The image blur caused by defocus of the lens can be detected.
Go to System > Event > Smart Event.
Click Defocus.