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User Manual
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3. Double Virtual Fence
CONFIG. /INTELLIGENT ANALYSIS
Settings
Alarm Interval
Limit Target Type
Limit Target Size
Pass Max Time (Sec)
(1-1800s)
Enter a value in the area box.
Click to enable Limit Target Type.
Click to enable Limit Target Size.
Enter a value in the area box.
[Default Value]
Off
[Default Value]
Off
[How to set]
[How to set]
[How to set]
[How to set]
[Default Value]
10
virtual fences in a certain order (line 1 followed by
line 2), it is generated again in next intervals (alarm
interval) until the end of event.
Setting range: 1-1,800 seconds.
An alarm is generated when targets cross the double
The target size for triggering an effective alarm is set
An alarm is generated only when the time taken to
is 0-1000000 square centimeters. When setting the
generated.
based on the actual target size. The default value is
cross the double virtual fences is less than the value.
The default value is 10 seconds and the setting range
is 1-60 seconds.
target size, you need to well set ”Real size in scene”
1000-100000 square centimeters and the setting range
in advanced parameters, otherwise no alarms may be
Setting
Parameter
DESCRIPTION
Table 6-3 Double Virtual Fence Parameter Description
options of human, vehicle, or both. When the device is
used indoors, because of small space and large targets,
alarms are triggered by human sometimes even if
vehicle is selected, leading to false alarms. It is
recommended to set the target type to human for
indoor use.
Effective alarms are set based on target type, with
