Dahua Smart 1U User Manual page 152

The intrusion detecting function is active. When the target enters and leaves the area,
or the target appears in the defined area, the system activates alarms.
5.10.2.3 Configuring Abandoned Rules
When the object is placed in the defined detection area for more than the set time, the system
activates alarms.
You can define the shape and quantity of intrusion areas.

Period value can be configured.

Supports size filtering for target.

On the rule line that you added, in the Type list, select Abandoned.
The Abandoned interface is displayed. See Figure 5-123.
Draw an area.
In the Channel list, select the channel that you want to configure the rules for.
Click
The monitoring screen to configure the abandoned rules is displayed. See Figure
5-124.
.
Local Configurations 142