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20 RS-900 and RS1100 Series Installation/Operation Manual
PRE
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IMINAR
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Table 3-5 lists the lens shift limits for each available RS-900/RS1100 lens, as percentages
and absolute measurements with a 100 x 56 inch (1.78:1) screen.
Table 3-5. Vertical and Horizontal Lens Shift Limits
Lens Option
RS-900/
RS1100
RS1100 Ultra
--
Proteus
B
Proteus
C
Proteus
D
Proteus E Proteus F
Lens Shift Limits, as Percentages of Screen Height or Width (Notes 1, 2 and 3)
Vertical
(Notes 2
and 3)
Up 35% 18% 20% 20% 20% 20%
Down 50% 25% 44% 44% 46% 46%
Horizontal
(Note 2)
Left 0% 10% (Note 4) 10%
Right 0% 10% (Note 4) 10%
Lens Shift Limits in Inches, with a 100-by-56 inch (1.78:1) Screen
Vertical
Up 19.60 10.08 11.20 11.20 11.20 11.20
Down 28.00 14.00 24.64 24.64 25.76 25.76
Horizontal
Left 0 10.00 (Note 4) 10.00
Right 0 10.00 (Note 4) 10.00
Notes:
1. With no vertical or horizontal lens shift, the lens center and screen center are aligned with each
other.
2. Vertical shift limits are percentages of the screen height. Horizontal shift limits are percentages of
the screen width.
3. Vertical lens shift figures are for ceiling mount configurations. For floor installations
(where the projector is upright), reverse the up/down vertical lens shift percentages.
4. With these lenses, horizontal lens shift is not possible when the maximum amount of vertical lens
shift is used.