Dahua Technology DH-XVR42 AN-I Series, User Manual

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User’s Manual
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Tripwire rule
3) Click to draw the minimum size or maximum size to filter the target.
The system triggers an alarm only when the size of detected target is between the
maximum size and the minimum size.
4) Configure the parameters.
Tripwire parameters
Parameter Description
Name Enter the customized rule name.
Direction
Set the direction of the tripwire. You can choose A to B (left to right), B to
A (right to left), and Both.
Sensitivity
Configure the detection sensitivity.
The higher the value, the easier to trigger an alarm but meanwhile the
higher false alarm rate.
Target Filter Click and then select effective target. With Human and Motor
Vehicle selected by default, the system automatically identifies the
person and motor vehicle appeared within the monitoring range.
Effective Target
5) Drag to draw a tripwire. The tripwire can be a straight line, broken line or polygon.
6) Click OK to save the settings.
Click to set the actions to be triggered.