Dahua NVR41 series

User's Manual
225
Click to delete the selected rule.
Figure 4-133
Step 3 Set corresponding parameters.
Step 4 Click
Apply
.
4.7.2.4.1 Tripwire
When the detection target crosses the warning line along the set direction, the system
performs an alarm linkage action.
Step 1 Select
Main Menu
>
AI
>
Parameters
>
IVS
.
In the
Type
drop-down list, select
Tripwire
. See Figure 4-134.