User Manual of DS-7200/7300/8100 Series DVR
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3) Select Linkage Action tab to set up alarm response actions of the alarm input (please refer to
Chapter 8.7 Setting Alarm Response Actions).
4) Click the OK button to complete the VCA alarm settings of the channel.
6. Configure the region and other settings for the selected VCA detection.
Task1: Configure the Line Crossing Detection.
1) Select the virtual line from the drop-down list. Up to 4 lines are selectable.
2) Select the direction to A<->B, A->B or A<-B.
Figure 8. 19 Set Direction of Line Crossing Detection
3) Set the sensitivity of the line crossing detection to 1-100.
4) Click and set two points in the preview window to draw a virtual line.
Figure 8. 20 Draw Virtual Line in the Image
You can use the to clear the existing virtual line and re-draw it.
5) Click Apply to save the settings.
Task2: Configure the Intrusion Detection.
1) Select the intrusion region from the drop-down list. Up to 4 regions are selectable.
2) Select the sensitivity of the intrusion detection to 1-100.
3) Set the percentage to 1-100. Percentage defines the ratio of the in-region part of the object which
can trigger the alarm. For example, when you set the percentage as 50%, half of the object entering
the region will trigger the alarm.
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