User Manual

Steps
1. Go to System → Event → Smart Event .
2. Click Defocus.
Figure 6-18 Defocus Detecon
3. Select a camera to congure.
4. Check Enable.
5.
Oponal: Check Save VCA Picture to save the captured defocus detecon pictures.
6. Drag the Sensivity slider to set the detecon sensivity.
Note
Sensivity range: [1-100]. The higher the value, the more easily the defocus image will be
detected.
7. Set the arming schedule.Refer to Congure Arming Schedule .
8. Set the linkage acons. Refer to Congure Linkage Acons .
9. Click Apply.
6.2.16 Sudden Scene Change
Detecon
Scene change detecon detects the change of the surveillance environment aected by external
factors, such as the
intenonal rotaon of the camera.
Steps
1. Go to System → Event → Smart Event .
2. Click Sudden Scene Change.
Network Video Recorder User Manual
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