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16 Runco LS-7 Installation/Operation Manual
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IMINAR
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Table 3-3 lists the available LS-7 Series lens options and their associated throw ratios.
Vertical and Horizontal
Position
Proper placement of the projector relative to the screen will yield a rectangular,
perfectly-centered image that completely fills the screen.
Ideally, the projector should be positioned perpendicular to the screen and in such a way
that the lens center is aligned with either the top or bottom edge of the screen area, and
centered horizontally. See
Figure 3-3.
Figure 3-3. Projector Placement
Table 3-3. Throw Ratios for the LS-7 Series
Projector Model Throw Ratio
Throw Range in inches, with 72.6x40.8-inch
(1.78:1) Screen
Minimum Maximum
Standard LS-7
1.85 – 2.40 134.31 174.24
Standard LS-7 with
Optik A Primary Lens
1.56 – 1.86 113.26 135.03
➤
Screen
Height
Projection Distance
Ceiling
x
Lens CenterLens Center
Ceiling Installation
Screen
Height
Floor
Lens Center
Projection Distance
Floor Installation
Lens Center
x