Object Left - GeoVision GV-TBL Series User Manual

3.5.1.4 Object Left

With Object Left, an alarm can be generated when an existing object is removed from the
defined area. Up to 4 detection areas can be added. Note that it is recommended NOT to
overlap the detection areas when adding multiple detection areas. Select the checkbox next
to Object Left to enable and click
1. Once enabled, click
add another detection area.
2. Drag the nodes of the detection a
3. You can use the following functions to reduce false alarm.

Time Threshold: The minimum period of time for a m
the detection area before an alarm is triggered.

Sensitivity: Move the slider to adjust the detectio
4. Follow Step 5 ~ 6, 3.5.1.1 Cross Line.
112
to configure.
Figure 3-34
to mark t he live view with a
rea to mark the boundary for detection.
detection area. Repeat this step to
oving object to exist within
n