User's Manual

Figure 8-37
Here you can choose up to 3 occlusion areas. Hold down the left mouse button and drag
to select the area in the area. Region 1, Region 2 and Region 3 below will show the
corresponding coordinates, width, and height of the region. If you want to delete a region,
click on the corresponding “Delete” button. Click on the “Save” after completing the
setting.
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3E A Video Tampering
The occlusion alarm function is used to detect whether a monitoring area is blocked by
human factors and other factors during a certain period of time. When the area of the
device is blocked, the IP camera will alarm according to the settings. When the occlusion
alarm is generated, the occlusion alarm cause can be quickly discharged and the
monitoring screen can be restored.
In the main interface click on the "configuration → Events → Video Tampering" to enter
the video tampering settings interface, as shown in Figure 8-38: