Consider the room size, the size of the audience, and the location of the
windows, the doors, and the speakers before selecting a screen location. Seat
the audience no closer than two screen heights from the screen, and no
farther than eight screen heights back away from the screen. Position all
projectors to project an image over the heads of the audience. To prevent
keystoning, tilt the screen until the distortion disappears.
Figure 5-11 shows the position of the audience and projectors in relation to
Figure 5-11. Screen position.
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