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E 17
Ceiling Installation
Screen top
1.6 (40.3mm)
Lens Center
Screen center
Screen Bottom
Throwing Distance (C)
Throwing Angle (α)
Projector Foot
D
B
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 in-
jured and the projector severely damaged.
Do not use the projector where temperatures vary
greatly. The projector must be used at tempera-
tures 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 projector cabinet or ▲▼
button on your remote control to correct the orientation. (See page E-37.)
Reflecting the Image
Using a mirror to reflect your projectors image enables you to enjoy a much larger image. Contact your NEC dealer if you need a mirror. If youre
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-37.)
Distance Chart
B=Vertical distance between lens center and
screen center
C=Throw distance
D=Vertical distance between lens center and
screen bottom (screen top for ceiling installa-
tion)
Throwing Angle (α)
Throwing Distance (C)
1.6 (40.3mm)
Lens Center
Screen top
Screen center
Screen Bottom
D
B
Projector Foot
Screen Size B C D α
Diagonal Width Height wide tele wide tele
inch mm inch mm inch mm inch mm inch mm - inch mm inch mm degree - degree
25 635 20 508 15 381 6 150 - - - 44 1110 -1 -40 - - 7.8
30 762 24 610 18 457 7 180 46 1170 - 53 1350 -2 -50 8.9 - 7.8
40 1016 32 813 24 610 10 240 62 1580 - 72 1820 -2 -60 8.8 - 7.7
60 1524 48 1219 36 914 14 370 94 2400 - 109 2760 -4 -90 8.7 - 7.6
67 1702 54 1361 40 1021 16 410 106 2680 - 122 3090 -4 -100 8.7 - 7.6
72 1829 58 1463 43 1097 17 440 114 2890 - 131 3320 -4 -110 8.7 - 7.5
80 2032 64 1626 48 1219 19 490 127 3220 - 146 3700 -5 -120 8.6 - 7.5
84 2134 67 1707 50 1280 20 510 133 3380 - 153 3890 -5 -130 8.6 - 7.5
90 2286 72 1829 54 1372 22 550 143 3620 - 164 4170 -5 -140 8.6 - 7.5
100 2540 80 2032 60 1524 24 610 159 4030 - 183 4640 -6 -150 8.6 - 7.5
120 3048 96 2438 72 1829 29 730 191 4850 - 220 5580 -7 -180 8.6 - 7.5
150 3810 120 3048 90 2286 36 920 239 6080 - 275 6990 -9 -230 8.6 - 7.5
180 4572 144 3658 108 2743 43 1100 288 7300 - 331 8400 -11 -270 8.6 - 7.5
200 5080 160 4064 120 3048 48 1220 320 8120 - 368 9340 -12 -300 8.6 - 7.5
210 5334 168 4267 126 3200 51 1280 336 8530 - 386 9810 -12 -320 8.7 - 7.5
240 6096 192 4877 144 3658 58 1470 384 9760 - 442 11220 -14 -360 8.6 - 7.4
261 6629 209 5304 157 3978 63 1600 418 10610 - 481 12210 -16 -390 8.5 - 7.4
270 6858 216 5486 162 4115 65 1650 432 10980 - - - -16 -410 8.5 - -
300 7620 240 6096 180 4572 72 1830 481 12210 - - - -18 -450 8.5 - -
NOTE: Distances may vary +/5%.
18


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