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Projection Distance and Size
Use the figures, tables, and formulas below to determine the projection size and projection distance.
(Projection sizes are approximate values for full-size picture with no keystone adjustment.)
Placement Styles
As shown in the figures below, this device can be placed in 4 different styles.
The factory setting is “floor-mounted front projection.” Set the Projection mode in the
default setting menu
p.31
, in accordance with your needs.
Placement
Floor-mounted front projection
WARNING
• Always obey the instructions listed in IMPORTANT SAFETY INSTRUCTIONS when placing the unit.
Attempting to clean/replace the lamp at a high site by yourself may cause you to drop down, thus
resulting in injury.
• If you wish to mount the projector on the ceiling, be sure to ask your dealer to do so. Mounting the
projector on a ceiling requires special ceiling brackets (sold separately) and specialized knowledge.
Improper mounting could cause the projector to fall, resulting in an accident.
• If the projector is ceiling-mounted, install the breaker for turning off the power in case of anomaly. Let
everyone involved with the use of the projector know that fact.
Floor-mounted rear projection
Ceiling-mounted front projection Ceiling-mounted rear projection
Screen
As seen from above
Lens center
As seen from the side
a (min length) = projection size (inches) × 0.0414
a (max length) = projection size (inches) × 0.0498
a is the distance (m) between the lens and the
screen, and corresponds to a range of 1.20 m to
12.00 m. H is the height from the image bottom to
the center of the lens.
90
°
H
a
90
°
projection
projection distance a (m)
height (H)
min length max length
size (cm)
(zooming max) (zooming min)
(cm)
24.1 (61) — 1.20 16
40 (102) 1.66 1.99 27
60 (152) 2.48 2.99 40
80 (203) 3.31 3.98 53
100 (254) 4.14 4.98 67
150 (381) 6.21 7.47 100
200 (508) 8.28 9.96 134.4
290 (736) 12.00 — 195