Dahua NVR21-4KS3 Series User Manual page 326

The target type includes luggage, bag, box, and non-motor vehicle.
Step 3 Draw the detection rule.
1. Click to draw a rectangle on the surveillance video image. Right-click the image to
stop drawing.
2. 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.
Click to delete the drawn size.
3. Configure the rule name and duration.
4. Click OK.
Step 4 Configure alarm schedule and linkage.
1. Click .
2. Click Setting next to Schedule to configure the alarm period.
The system performs linkage actions only for alarms during the arming period.
3. Configure alarm linkage. For details, see Table 5-50.
4. Click Apply.
Step 5 Click Apply.
Figure 5-196 Schedule and alarm linkage
306
User's Manual