Dahua Technology DHI-XVR5108HS-4K, User Manual, Page: 155 / 318

User's Manual
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Add rule
Configure the parameters for the rule that you selected.
Select the check box of the rule to enable it.
Click Apply to complete the settings.
5.10.2.1 Configuring Tripwire Rules
When the target object crosses the tripwire in the defined direction, the system activates alarms.
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The tripwire can be configured as a straight line or broken line.
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Supports detecting one-way or two-way tripwire crossing.
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Supports multiple tripwires in the same scenario to meet the complexity.
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Supports size filtering for target.
On the rule line that you added, in the Type list, select Tripwire.