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110
In area function means that it will trigger alarm when certain amount of target appear in the
designated area within specific time. In area function is only responsible for the statistics of the
target quantity in the detection area without considering whether the target is the same or not.
As for the report interval of the in area function, the system can detect if the same event will occur
within the interval after triggering the first alarm, the alarm counter will clear itself if no same event
occurs during the period.
As it is similar to the warning line, it also needs to leave some movement space for the target out of the
area line if it is to detect enter and leave events
Application scene: It can only be applied to the scene where the target is sparse and it is basically
mutually blocked between targets, such as the perimeter protection area without security guard.
The config steps are shown as follows:
Step 1
Select the rule type as “Intrusion” and the config interface is shown in Figure 4-86.
Figure 4-86
Step 2
Click “Draw Rule” to draw rules in the monitoring image.
Note
Click “Clear” on the right of “Draw Rule” to clear all the rules which have been drawn.
Step 3
Configure parameter info according to the actual needs. Please refer to Table 4-27 for more details.
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