Throw Distance And Screen Size - NEC MT1065 User Manual

Throw Distance and Screen Size

The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of installation.
Distance Chart
Screen Height
Throw Angle ( )
B = Vertical distance between lens center and screen center
C = Throw distance
α = Throw angle
NOTE: Distances may vary +/-5%.
WARNING
* Installing your projector on the ceiling must be done by a quali-
fied technician. Contact your NEC dealer for more information.
* Do not attempt to install the projector yourself.
• To avoid premature lamp failure, do not tilt the front of the projector
up or down by more than 15° from level.
• Only use your projector on a solid, level surface. If the projector falls
to the ground, you can be injured and the projector severely dam-
aged.
• Do not use the projector where temperatures vary greatly. The pro-
jector 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.
Screen Width
Screen Diagonal
Screen center
(B)
Screen Bottom
Lens Center
Throw Distance (C)
Screen Size
Diagonal Width Height
inch inch inch
25 20 15
30 24 18
40 32 24
60 48 36
67 54 40
72 58 43
64
80 48
84 67
50
90 72 54
100 80 60
120 96 72
150 120 90
180 144 108
200 160 120
210 168 126
192
240 144
261 209
157
270 216 162
300 240 180
350 280 210
400 320 240
450 360 270
500 400 300
Screen Size
Diagonal Width Height
mm mm mm
635 508 381
762 610 457
1016 813 610
914
1524 1219
1702 1361 1021
1829 1463 1097
2032 1626 1219
2134 1707 1280
2286 1829 1372
2540 2032 1524
3048 2438 1829
3810 3048 2286
2743
4572 3658
3048
5080 4064
5334 4267 3200
6096 4877 3658
6629 5304 3978
6858 5486 4115
7620 6096 4572
8890 7112 5334
10160 8128 6096
6858
11430 9144
7620
12700 10160
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
mote control to correct the orientation. (See page E-44.)
E-13
α
B C
Wide – Tele Wide – Tele
inch inch
degree
8.0 ––– - 39.6 ––– - 10.7
9.0 35.1 - 47.8 14.4 - 10.7
12.0 47.4 - 64.4 14.2 - 10.5
18.0 72.1 - 97.6 14.0 - 10.4
20.0 80.7 - 109.2
14.0 - 10.4
22.0 86.9 - 117.5 14.0 - 10.4
24.0 96.8 - 130.8
13.9 - 10.4
25.0 101.7 - 137.4
13.9 - 10.4
27.0 109.1 - 147.4
13.9 - 10.4
30.0 121.4 - 164.0 13.9 - 10.4
36.0 146.1 - 197.2 13.8 - 10.3
45.0 183.1 - 246.9 13.8 - 10.3
54.0 220.1 - 296.7 13.8 - 10.3
60.0 244.8 - 329.9
13.8 - 10.3
63.0 257.1 - 346.5 13.8 - 10.3
72.0 294.1 - 396.3
13.8 - 10.3
78.0 320.0 - 431.1
13.7 - 10.3
81.0 331.1 - 446.0
13.7 - 10.3
90.0 368.1 - 495.8 13.7 - 10.3
105.0 429.8 - 578.7 13.7 - 10.3
120.0 491.5 - ––– 13.7 - –––
135.0 553.2 - ––– 13.7 - –––
150.0 614.8 - –––
13.7 - –––
α
B C
Wide – Tele Wide – Tele
mm mm degree
191 ––– - 1005 ––– - 10.7
229 891 - 1215
14.4 - 10.7
305 1204 - 1636
14.2 - 10.5
457 1831 - 2479
14.0 - 10.4
511 2050 - 2774
14.0 - 10.4
549 2207 - 2985
14.0 - 10.4
610 2458 - 3322 13.9 - 10.4
640 2583 - 3490 13.9 - 10.4
686 2771 - 3743 13.9 - 10.4
762 3084 - 4165 13.9 - 10.4
914 3711 - 5007
13.8 - 10.3
1143 4651 - 6272
13.8 - 10.3
1372 5591 - 7536
13.8 - 10.3
1524 6217 - 8379
13.8 - 10.3
1600 6531 - 8800
13.8 - 10.3
1829 7471 - 10064 13.8 - 10.3
1989 8129 - 10949 13.7 - 10.3
2057 8410 - 11328 13.7 - 10.3
2286 9350 - 12593 13.7 - 10.3
2667 10917 - 14700
13.7 - 10.3
3048 12484 - –––
13.7 - –––
3429 14050 - –––
13.7 - –––
3810 15617 - –––
13.7 - –––
buttons on your re-