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18 Runco LS-3/LS-5 Installation/Operation Manual
PRE
L
IMINAR
Y
Table 3-3 lists the available LS-3/LS-5 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-3/LS-5 Series
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
Standard
LS-3/LS-5
1.85 – 2.40 134.31 174.24 (n/a)
Standard
LS-3/LS-5 with
Optik
A Primary
Lens
1.56 – 1.86 113.26 135.03 (n/a)
LS-3/LS-5/
CineWide (Whitney
Anamorphic Lens)
(n/a) 1.85 – 2.40 177.60 230.40
➤
Screen
Height
Projection Distance
Ceiling
x
Lens CenterLens Center
Ceiling Installation
Screen
Height
Floor
Lens Center
Projection Distance
Floor Installation
Lens Center
x