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Mask setting
Select "Mask” in the display, left-click and left-drag within the image, and the covered area
is displayed in blue. Any motions in such area will not be detected.
To cancel the masking, right-click and right-drag over the masked area. The area displayed
in blue will be back to the original state.
Left-drag.
Masking area
No reaction to
motions within this
area.