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Installation
18 Runco LS-1 Installation/Operation Manual
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IMINAR
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Table 3-3 lists the available LS-1 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.
Table 3-3. LS-1 Lens Options and Throw Ratios (Note)
Projector Model
Throw
Ratio with
Primary
Lens Only
Throw Range in
inches, with
72.6x40.8-inch
(1.78:1) Screen
Throw Ratio
with
Primary
Lens and
Anamorphic
Lens
Throw Range in
inches, with
96x40.8-inch (2.35:1)
Screen
Minimum Maximum Minimum Maximum
LS-1 + Standard
Lens
1.85 – 2.40 134.31 174.24 (n/a)
LS-1 +
Standard
Lens +
Fixed Anamorphic
Lens
(n/a) 1.85 – 2.40 177.60 230.40
LS-1 +
Standard
Lens +
Movable
Anamorphic Lens
1.85 - 2.40 134.31 174.24 1.39 – 1.80 133.44 172.80
LS-1 + Optik A
Primary Lens
1.63 - 1.86 118.34 135.04 (n/a)
LS-1 + Optik A
Primary Lens +
Fixed Anamorphic
Lens
(n/a) 1.63 - 1.86 156.48 178.56
LS-1 + Optik A
Primary Lens +
Movable
Anamorphic Lens
1.63 - 1.86 118.34 135.04 1.22 - 1.40 117.12 134.40
Note: Due to normal manufacturing variances, throw distance can vary by up to +/- 5 percent from
these specifications.
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