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![](https://files.manualsfile.com/24812185-ds-96128ni-h24r/bg4d.png)
Only the object crossing the congured line from the A side to the B side can be detected.
B->A
Only the object crossing the congured line from the B side to the A side can be detected.
3) Set the detecon sensivity. The higher the value is, the more easily the detecon alarm can
be triggered.
4) Click Draw Region.
5) Draw a virtual line in the preview window.
7. Oponal: Draw the maximum size/minimum size for targets.
Note
Only the targets in the size ranging from maximum size to minimum size will trigger line crossing
detecon.
1) Click Max. Size/Min. Size.
2) Draw an area in preview window.
3) Click Stop Drawing.
8. Oponal: Select Target of Interest as Human Body or Vehicle to discard alarms which are not
triggered by human body or vehicle.
9. Set the arming schedule. Refer to Congure Arming Schedule .
10. Set linkage acons. Refer to Congure Linkage Acons .
11. Click Apply.
6.2.5 Intrusion Detecon
Intrusion detecon funcon detects people, vehicles or other objects that enter and loiter in a pre-
dened virtual region. Specic acons can be taken when an alarm is triggered.
Steps
1. Go to Smart Analysis → Smart Event Sengs → Perimeter Protecon .
2. Select a camera.
3. Click Intrusion.
Network Video Recorder User Manual
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