Digital Video Recorder User Manual 
 
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Sensitivity: Range [0-100]. The higher the value is, the more easily the detection alarm can 
be triggered. 
Step 7 Click    and draw a quadrilateral in the preview window by specifying four vertexes of 
the detection region, and right click to complete drawing. Only one region can be 
configured.   
You can use the    to clear the existing virtual line and re-draw it. 
 
Figure 10-9 Set Region Entrance Detection   
   
Up to 4 rules can be configured.   
Step 8 Click Apply to save the settings.     
10.6  Region Exiting Detection   
Purpose 
Region exiting detection function detects people, vehicle or other objects which exit from a 
pre-defined virtual region, and some certain actions can be taken when the alarm is triggered.