IC Realtime 2 Megapixel Full HD 20x Optical Network PTZ Camera IP66 300 ft IR (ICIP2001HDIR) - Manual (Page 25)

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Figure 2-12
Please refer to the following sheet for detailed informaiton.
Parameter Function
Object type
supported
You can select an object type here. The default setup is Unknown.
Detect action
list
z In area: When the tracking object is in the detect zone and the stay time is
more than the time threshold you set here, system can activate an alarm.
z Through area: System can generate an alarm when the tracking object is
crossing the limit you set here.
Direction
It is for the Through area option in the Detect action list item. It is to set the cross
direction. The option includes: in/out/both (in&out)
Max target No.
It is for the In area option in the Detect action list item. It is to set the alarm
activation amount in the zone. System will not generate an alarm when the object
amount in the zone is more than the threshold you set here.
Min target No.
It is for the In area option in the Detect action list item. It is to set the alarm
activation amount in the zone. System will not generate an alarm when the object
amount in the zone is less than the threshold you set here.
Min last time
It is for the In area option in the Detect action list item. Here is to set the min time
between the target in the zone and an alarm activation occurrence.
Report interval
It is for the In area option in the Detect action list item. It is to set alarm period.
System just alarms once if the value is 0 here.
Target filter
Check the box here to enable this function and then click button ，you can
set the target filter model in this scene. Click the button ，you can remove
selected target filter model.