Dahua NVR52-4KS2 Series User Manual page 276

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.
3. Configure parameters.
Table 5-35 Parameters of abandoned object detection
Parameter Description
Preset Select a preset you want to use IVS.
Name Customize the rule name.
The system generates an alarm once the object is in the zone for the
Duration
defined period.
4. Click OK.
Step 6 Configure alarm schedule and linkage.
Figure 5-142 Abandoned object rule
260
User's Manual