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Defog Intensity
4.1.6 Privacy Mask
Privacy mask is used to cover certain areas on the image for privacy, for example, ATM
keyboard. When a PTZ camera rotates and zooms, the privacy mask moves and zooms
with the camera and the masked area is always covered.
1. Go to Menu > Camera > Privacy Mask.
2. Select the desired camera from the drop-down list.
3. Select
to enable privacy mask.
4. Click
, and then use the mouse to specify a rectangle area on the left-side image.
The number of areas supported varies with NVR model. Some NVRs support 4 areas and
some support 8 areas.
•
Adjust the size and position of the mask : Point to a handle of the mask and drag to
resize it. Point to any position of the mask and drag it to the desired position.
• Redraw: Click
• Delete: Select the mask and click
When defog is enabled, you can adjust the defog intensity.
In a heavy-fog environment, the higher the defog level, the clearer
the image. In a fog-free or light-fog environment, there is not much
difference between levels 1 to 9.
Note: Optical defog is available only for certain IP Cameras models. When
the defog intensity is set to 6 or higher, optical defog automatically turns on
in thick fog, and images change to black and white.
to clear all the existing area(s) and draw an area again.
; Or click
43
UNIGUARD 4 & 8 HDD Series
to delete all the masks.
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