Network Video Recorder User Manual
84
5. Click to configure the trigger channel, arming schedule and linkage actions for the line crossing
detection alarm.
6. Click Rule Settings to set the line crossing detection rules.
Note
Up to 4 rules can be configured.
1) Select Direction as A<->B, A->B or A<-B.
A<->B
Only the arrow on the B side shows; when an object going across the configured line with
both direction can be detected and alarms are triggered.
A->B
Only the object crossing the configured line from the A side to the B side can be detected.
B->A
Only the object crossing the configured line from the B side to the A side can be detected.
2) Click-and-drag the slider to set the detection sensitivity.
Sensitivity
Range [1-100]. The higher the value is, the more easily the detection alarm can be
triggered.
3) Click OK to save the rule settings and back to the line crossing detection settings interface.
7. Click and set two points in the preview window to draw a virtual line.
Note
You can use the to clear the existing virtual line and re-draw it.
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