User manual

Table Of Contents
User Manual of Digital Video Recorder
136
Figure 8. 17 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.
A
B
Figure 8. 18 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 region the target object enters that can
trigger the alarm. For example, when you set the percentage as 50%, when the target enters half of
the region, the alarm will be triggered.
Figure 8. 19 Set Intrusion Detection
4) Set the time threshold to 0-10 sec. When the duration of the object in the defined detection area is