Dahua DHI-NVR5208-4KS2 User Manual page 197

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 4-129.
Figure 4-128
Local Basic Operation 186