Network Video Recorder User Manual
133
Defocus Detection
Purpose:
The image blur caused by defocus of the lens can be detected.
Go to System > Event > Smart Event.
Select a camera to configure.
Click Defocus.
Defocus Detection
Check Enable Defocus Detection.
Optionally, check Save VCA Picture to save the captured pictures of defocus detection.
Drag the Sensitivity slider to set the detection sensitivity. Sensitivity range: [1-100]. The higher
the value is, the more easily the defocus image can be detected.
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.
PIR Alarm
Purpose: