Optica P218Z Menu Tree page 58

Color Setting
Select a desired color from the <Color> drop-down list for the specified
Privacy Mask. Click on <Set> to save the Privacy Mask's color
properties.
Mask Number
Specify the number of the programmed Privacy Mask in the
corresponding field. The numbers of Privacy Masks vary with camera
models.
Mask Size
The size of a Privacy Mask can be customized through specifying its
horizontal and vertical size. The value of <Horizontal Size> ranges from
1 to 80, while that of <Vertical Size> ranges from 1 to 60.
After finishing the setup of a Privacy Mask, click on the button <Add> to
save the programmed Privacy Mask.
Mask Clearing
In this section, users can delete an existing Privacy Mask. Please select the
Privacy Mask to be removed from the drop-down list, and click on the button
<Clear>. Then the selected Privacy Mask will readily disappear.
PT Steps (1~30)
Users can setup the location of every privacy mask by the control panel on the
Privacy Mask page. Set a number from 1 to 30 as the PT Step when users
adjust the privacy mask via the control panel. Every step indicates 0.225 .
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