AVer E1008H - Manual (Page 82)

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Missing Object
Select a certain object on the screen for the camera system to detect; System gives alarm
when the object disappears.
1. Select the Missing Object from the drop-down list.
2. A red frame will show up on the screen. Click and drag the red frame to the object position
and click the frame to adjust the size of frame.
3. Detection Duration: Set the lasting time for camera system to detect the object.
4. Alert Duration: Set the alarm lasting time after alarm has been triggered.
5. Sensitivity: Set the degree of response of detection.
6. Display on OSD: Mark to enable the missing object frame to display on screen when
missing object has triggered
.