Network Video Recorder User Manual
127
12.12 Defocus Detection
Purpose
The image blur caused by defocus of the lens can be detected.
Step 1
Go to System > Event > Smart Event.
Step 2
Click Defocus.
Figure 12-12
Defocus Detection
Step 3
Select a Camera to configure.
Step 4
Check Enable Defocus Detection.
Step 5
Optionally, check Save VCA Picture to save the captured pictures of defocus detection.
Step 6
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.
Step 7
Set the arming schedule. Refer to Chapter 11.1 Configure Arming Schedule.
Step 8
Set the linkage actions. Refer to Chapter 11.2 Configure Alarm Linkage Actions.
Step 9
Click Apply.
12.13 PIR Alarm
Purpose
