User Manual

Steps
1. Go to Smart Analysis → Smart Event
Sengs → Other Events .
2. Select a camera.
3. Click Defocus.
Figure 5-12 Defocus Detecon
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.
Sensivity
Ranges from 1 to 100, the higher the value, the more easily the defocus image will be
detected.
Note
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.
5.2.11 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 Smart Analysis → Smart Event Sengs → Other Events .
2. Select a camera.
3. Click Sudden Scene Change.
Network Video Recorder User Manual
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