Eyemax 9030 Manual page 37

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[Object Detection]
It is a function that marks all the changes occurred from the original scene.
DVR will detect new & missing objects after a certain period of time (detecting interval).
Detecting Interval: An interval that DVR tries repeatedly to detect any object change in the zone set.
For example, if the object is appeared and remained only 5 seconds, it will not be detected in case 1 min.
detecting interval is set as above.
Viewing Original Frame: Checking an original image set.
Set as Original Frame: Save an original image to be surveilled to check missing or appeared object.
Set: To mark a zone.
Setting All: Select all zone in a selected channel
Clear All: To clear set zone.