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Dahua Network Video Server
User’s Manual
64
Figure 4-69
Direction: There are three options: L->R, R->L, both. System can generate an alarm
once there is any object crossing in the specified direction.
Now you can draw a rule. Click Draw rule button and then left click mouse to draw a
tripwire. The tripwire can be a direct line, curve or polygon. Right click mouse to complete.
See Figure 4-70.
Figure 4-70