Epson PowerLite 9300i User's Guide - Page 19

Middle Throw Zoom Lens V12H004M01, Screen size at Wide setting inches

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Middle Throw Zoom Lens (V12H004M01) To find the distance when you know the screen's diagonal size: ■ Distance at Wide setting (inches) = (diagonal screen size [inches] × 5.02466 - 13.5124)/2.54 ■ Distance at Tele setting (inches) = (diagonal screen size [inches] × 7.6049 - 13.3501)/2.54 To find a screen's diagonal size when you know the distance: ■ Screen size at Wide setting (inches) = (projection distance [inches] × 2.54 × 0.199018 + 2.689217) ■ Screen size at Tele setting (inches) = (projection distance [inches] × 2.54 × 0.131494 + 1.75546) Middle Throw Zoom Lens (V12H004M02) To find the distance when you know the screen's diagonal size: ■ Distance at Wide setting (inches) = (diagonal screen size [inches] × 7.409 - 14.5823)/2.54 ■ Distance at Tele setting (inches) = (diagonal screen size [inches] × 11.2032 - 14.8525)/2.54 To find a screen's diagonal size when you know the distance: ■ Screen size at Wide setting (inches) = (projection distance [inches] × 2.54 × 0.134971 + 1.968187) ■ Screen size at Tele setting (inches) = (projection distance [inches] × 2.54 × 0.08926 + 1.323702) Long Throw Zoom Lens (V12H004L04) To find the distance when you know the screen's diagonal size: ■ Distance at Wide setting (inches) = (diagonal screen size [inches] × 10.6703 +14.1243)/2.54 ■ Distance at Tele setting (inches) = (diagonal screen size [inches] × 14.407 + 13.343)/2.54 To find a screen's diagonal size when you know the distance: ■ Screen size at Wide setting (inches) = (projection distance [inches] × 2.54 × 0.093718 - 1.323702) ■ Screen size at Tele setting (inches) = (projection distance [inches] × 2.54 × 0.069411 - 0.926168) Setting Up the Projector 19

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Setting Up the Projector
19
Middle Throw Zoom Lens (V12H004M01)
To find the distance when you know the screen’s diagonal size:
■
Distance at Wide setting (inches) =
(diagonal screen size [inches]
×
5.02466 - 13.5124)/2.54
■
Distance at Tele setting (inches) =
(diagonal screen size [inches]
×
7.6049 - 13.3501)/2.54
To find a screen’s diagonal size when you know the distance:
■
Screen size at Wide setting (inches) =
(projection distance [inches]
×
2.54
×
0.199018 + 2.689217)
■
Screen size at Tele setting (inches) =
(projection distance [inches]
×
2.54
×
0.131494 + 1.75546)
Middle Throw Zoom Lens (V12H004M02)
To find the distance when you know the screen’s diagonal size:
■
Distance at Wide setting (inches) =
(diagonal screen size [inches]
×
7.409 - 14.5823)/2.54
■
Distance at Tele setting (inches) =
(diagonal screen size [inches]
×
11.2032 - 14.8525)/2.54
To find a screen’s diagonal size when you know the distance:
■
Screen size at Wide setting (inches) =
(projection distance [inches]
×
2.54
×
0.134971 + 1.968187)
■
Screen size at Tele setting (inches) =
(projection distance [inches]
×
2.54
×
0.08926 + 1.323702)
Long Throw Zoom Lens (V12H004L04)
To find the distance when you know the screen’s diagonal size:
■
Distance at Wide setting (inches) =
(diagonal screen size [inches]
×
10.6703 +14.1243)/2.54
■
Distance at Tele setting (inches) =
(diagonal screen size [inches]
×
14.407 + 13.343)/2.54
To find a screen’s diagonal size when you know the distance:
■
Screen size at Wide setting (inches) =
(projection distance [inches]
×
2.54
×
0.093718 - 1.323702)
■
Screen size at Tele setting (inches) =
(projection distance [inches]
×
2.54
×
0.069411 - 0.926168)