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56 - User's Manual
time� It will trigger the alarm once the dwelling time of the object is longer than the given time�
■ Camera tampering detection: Select this option to detect camera tampering.
Detection region: Draw a detection region�
■ To draw a rectangle region, click on the rectangle button
to entering the drawing mode� The button
will becomes
and you can click and drag to draw a rectangle on the video area as the left diagram
below�
■ To draw a polygon region, click on the polygon button
to entering the drawing mode� The button
will becomes
and you and click several points on the video area to link a polygon region�
Note that
the maximum number of points of the polynomial should be 10.
Note that you can only draw either a rectangle region or a polygon region� The buttons will turn to
which can not be configured.
You can click Delete to erase the detection region. When completed, select Enable this trigger. Click
Save to take effect and then click Close to quit this page�
The status of trigger will turn to “ON“ on the Video content analysis page as below�
Summary of Contents for IP7251
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