Optoma HD90 - Manual (Page 6)

6
English
Usage Notice
▀ ■ Avoid staring/facing directly into the projector beam at all
times. Keep your back to the beam as much as possible.
▀ ■ When projector is used in a classroom, adequately supervise
students when they are asked to point out something on the
screen.
▀ ■ In order to minimize the lamp power, use room blinds to re-
duce ambient light levels.
Eye Safety Warnings
Flexible Angle Setting
▀ ■ Available angle in vertical direction
360°
▀ ■ Available angle in horizontal direction
90°