User`s manual

8. PTZ
AirLive SD-2020 User’s Manual 81
z Mask
Specify the number of the programmed Privacy Mask in the corresponding field.
The numbers of Privacy Masks vary with camera models.
z Hsize/Vsize
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°.