User Manual

Figure 5-10 Object Removal Detecon
4. Check Enable Object Removable Detecon.
5.
Oponal: Check Save VCA Picture to save the captured object removable detecon pictures.
6. Follow these steps to set the
detecon rules and detecon areas.
1) Select Arming Region. Up to 4 regions are selectable.
2) Drag the sliders to set Time Threshold and
Sensivity.
Time Threshold
The me of the objects removed from the region. If the value is 10, alarm will be triggered
aer the object disappears from the region for 10s. Its range is [5s-20s].
Sensivity
The similarity degree of the background image. If the sensivity is high, a very small
object taken from the region will trigger the alarm.
3) Click Draw Area and draw a quadrilateral in the preview window by specifying four
verces
of the detecon region.
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.
5.2.9 Audio
Excepon Detecon
Audio excepon detecon detects abnormal sounds in the surveillance scene, such as a sudden
increase/decrease in sound intensity.
Steps
1. Go to Smart Analysis → Smart Event
Sengs → Other Events .
2. Select a camera.
3. Click Audio
Excepon.
Network Video Recorder User Manual
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