ERT-F2xxx DVR User Manual
UM ERT-F2xxx 030118NA
91
Intrusion Detection Alarm
Purpose:
The intrusion detection function detects people, vehicles, or other objects that enter and loiter in a
pre-defined virtual region, and certain actions can be taken when the alarm is triggered.
Go to
Menu > Camera > VCA
.
Select the camera to configure the VCA.
Select the VCA detection type to
Intrusion Detection
.
Check
Enable
to enable this function.
Click
to configure the trigger channel, arming schedule and linkage actions for the line crossing
detection alarm.
Click the
Rule Settings
button to set the intrusion detection rules. Set the following parameters.
•
Threshold:
Range [1s-10s], the threshold for the time of the object loitering in the region. When the
duration of the object in the defined detection area is longer than the set time, the alarm will be
triggered.
•
Sensitivity:
Range [1-100]. Click-and-drag the slider to set the detection sensitivity. The value defines
the size of the object that will trigger the alarm. The higher the value, the more easily the detection
alarm can be triggered.
•
Percentage:
Range [1-100]. Percentage defines the ratio of the in-region part of the object which can
trigger the alarm. For example, if the percentage is set as 50%, when the object enters the region and
occupies half of the whole region, the alarm is triggered.
Set Intrusion Crossing Detection Rules
Click
OK
to save the rule settings and go back to the line crossing detection settings interface.
Click
and draw a quadrilateral in the preview window by specifying four vertexes of the detection
region, and right click to complete drawing. Only one region can be configured. You can use the
to
clear the existing virtual line and re-draw it.
