
Installation
Runco X-400d/X-450d Installation/Operation Manual 21
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Table 3-3 lists the available lens options for the X-400d/X-450d 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 3-2.
Table 3-3. X-400d/X-450d Lens Options and Throw Ratios (Note 1)
Lens Option
Throw Ratio
with Primary
Lens Only
Throw Range in
inches, with
108 x 60.75-inch
(1.78:1) Screen
Throw Ratio
with Primary
Lens and
Anamorphic
Lens
Throw Range in
inches, with
144 x 60.75-inch
(2.35:1) Screen
Minimum Maximum Minimum Maximum
Proteus 1
0.77 (Fixed)
For rear-screen installa-
tions only. Contact
Runco Technical Support
for more information.
Not Applicable
(Note 2)
Proteus 2
1.45 - 1.74 156.60 187.92 1.09 - 1.31 156.96 188.64
Proteus 2 +
Whitney
Not Applicable 1.45 - 1.74 208.80 250.56
Proteus 3
1.74 - 2.17 187.92 234.36 1.30 - 1.63 187.20 234.72
Proteus 3 +
Whitney
Not Applicable 1.74 - 2.17 250.56 312.48
Proteus 4
2.17 - 2.90 234.36 313.20 1.63 - 2.17 234.72 312.48
Proteus 4 +
Whitney
Not Applicable 2.17 - 2.90 312.48 417.60
Proteus 5
2.90 - 4.34 313.20 468.72 2.17 - 3.26 312.48 469.44
Proteus 5 +
Whitney
Not Applicable 2.90 - 4.34 417.60 624.96
Proteus 6
4.34 - 6.76 468.72 730.08 3.26 - 5.07 469.44 730.08
Proteus 6 +
Whitney
Not Applicable 4.34 - 6.76 624.96 973.44
Notes:
1. Due to normal manufacturing variances, throw distance can vary by up to +/- 5 percent from
these specifications.
2. The Proteus 1 lens cannot be used with the optional CineWide (secondary anamorphic) lens.
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