Dahua Technology VDA-NVR2108W4KS2, User Manual, Page: 200 / 363

Table of Contents 188
Figure 4-128
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.