Optoma OMA-S User Manual page 14

SETUP AND INSTALLATION
Note:
‡
Projector installation notice
‡ 360° free orientation operation
14 English
Ensure that the projector is positioned at the following specifications:
a. The projected surface is flat and perpendicular to the ground.
b. The projector is placed at 80-350 cm away from the projected surface.
c. Horizontal and vertical keystone correction and projection angle is within ± 20 - degree
range.
d. The further away the projector is placed from the screen the projected image size
increases and vertical offset also increases proportionally.
e. Keep at least 15 cm clearance of the projected image from the border of the ally curtain
or obstacles.
Projected Image
Minimum 150mm (5.91 inches)
Border of curtain /obstacles