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E–16
WARNING
• Installing your projector on the ceiling must be done by a
qualified technician. Contact your NEC dealer for more
information.
* Do not attempt to install the projector yourself.
• Only use your projector on a solid, level surface. If the
projector falls to the ground, you can be injured and the
projector severely damaged.
• Do not use the projector where temperatures vary greatly.
The projector must be used at temperatures between 32˚F
(0˚C) and 95˚F (35˚C).
• Do not expose the projector to moisture, dust, or smoke.
This will harm the screen image.
• Ensure that you have adequate ventilation around your
projector so heat can dissipate. Do not cover the vents on
the side or the front of the projector.
If your projector is mounted on the ceiling and your image is
upside down, use the “Menu” and “Select” buttons on your pro-
jector cabinet or ▲▼ buttons on your remote control to correct
the orientation. (See page E-33.)
Reflecting the Image
Using a mirror to reflect your projector’s image enables you to
enjoy a much larger image. Contact your NEC dealer if you need
a mirror. If you’re using a mirror and your image is inverted, use
the “Menu” and “Select” buttons on your projector cabinet or
▲▼ buttons on your remote control to correct the orientation.
(See page E-33.)
Ceiling Installation
Throw Distance
C
B
44.6 mm / 1.76”
α
D
Projector feet
Screen Center
Screen Bottom/
Lens Center
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and top of screen
α = Throw angle
Lens Offset 5.4mm
inch mm inch mm inch mm inch mm inch mm - inch mm inch mm degree - degree
25 635 20 508 15 381 8 191 36 910 - 39 1000 0 0 11.8 - 10.8
30 762 24 610 18 457 9 229 43 1100 - 48 1210 0 0 11.7 - 10.7
40 1016 32 813 24 610 12 305 58 1470 - 64 1620 0 0 11.7 - 10.7
60 1524 48 1219 36 914 18 457 87 2220 - 96 2450 0 0 11.6 - 10.6
67 1702 54 1361 40 1021 20 511 98 2490 - 108 2740 0 0 11.6 - 10.6
72 1829 58 1463 43 1097 22 549 105 2670 - 116 2940 0 0 11.6 - 10.6
80 2032 64 1626 48 1219 24 610 117 2970 - 129 3270 0 0 11.6 - 10.6
84 2134 67 1707 50 1280 25 640 123 3120 - 135 3440 0 0 11.6 - 10.5
90 2286 72 1829 54 1372 27 686 132 3350 - 145 3690 0 0 11.6 - 10.5
100 2540 80 2032 60 1524 30 762 147 3730 - 161 4100 0 0 11.5 - 10.5
120 3048 96 2438 72 1829 36 914 176 4480 - 194 4930 0 0 11.5 - 10.5
150 3810 120 3048 90 2286 45 1143 220 5600 - 243 6170 0 0 11.5 - 10.5
180 4572 144 3658 108 2743 54 1372 265 6730 - 292 7410 0 0 11.5 - 10.5
200 5080 160 4064 120 3048 60 1524 294 7480 - 324 8240 0 0 11.5 - 10.5
210 5334 168 4267 126 3200 63 1600 309 7860 - 341 8650 0 0 11.5 - 10.5
240 6096 192 4877 144 3658 72 1829 354 8980 - 389 9890 0 0 11.5 - 10.5
261 6629 209 5304 157 3978 78 1989 385 9770 - 424 10760 0 0 11.5 - 10.5
270 6858 216 5486 162 4115 81 2057 398 10110 - 438 11130 0 0 11.5 - 10.5
300 7620 240 6096 180 4572 90 2286 443 11240 - 487 12370 0 0 11.5 - 10.5
Screen Size
Diagonal Width Height
B
C
wide tele
D
α
wide tele
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and top of screen
α = Throw angle