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E-12
Distance Chart
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.
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.
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 41˚F (5˚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.
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 re-
mote control to correct the orientation. (See page E-41.)
NOTE: A 16:9 image is supported within the limits of the above values.
α
Wide – Tele
inch
18
24
30
36
48
60
72
90
108
120
Screen Size B C
Wide – Tele
D
Diagonal Width Height
inch
35.7 43.4
48.2 58.4
60.7 73.5
73.2 88.5
98.1 118.6
123.1 148.6
148.1 178.7
185.5 223.8
223.0 268.9
248.0 298.9
inch
3.6
4.8
6.0
7.2
9.6
12.0
14.4
18.0
21.6
24.0
degree
19.3 16.1
19.1 16.0
19.0 15.9
18.9 15.8
18.9 15.8
18.8 15.7
18.8 15.7
18.7 15.7
18.7 15.7
18.7 15.7
inch
12.6
16.8
21.0
25.2
33.6
42.0
50.4
63.0
75.6
84.0
α
Wide – Tele
mm
457.2
609.6
762.0
914.4
1219.2
1524.0
1828.8
2286.0
2743.2
3048.0
Screen Size B C
Wide – Tele
D
Diagonal Width Height
mm
907 1102
1224 1484
1541 1866
1858 2248
2493 3011
3127 3775
3761 4539
4713 5684
5664 6829
6298 7593
mm
91.2
121.7
152.3
182.8
243.8
304.9
366.0
457.6
549.2
610.3
degree
19.3 16.1
19.1 16.0
19.0 15.9
18.9 15.8
18.9 15.8
18.8 15.7
18.8 15.7
18.7 15.7
18.7 15.7
18.7 15.7
mm
319.8
426.5
533.3
640.0
853.4
1066.9
1280.4
1600.6
1920.8
2134.3
mm
762.0
1016.0
1270.0
1524.0
2032.0
2540.0
3048.0
3810.0
4572.0
5080.0
mm
609.6
812.8
1016.0
1219.2
1625.6
2032.0
2438.4
3048.0
3657.6
4064.0
4:3
inch
30
40
50
60
80
100
120
150
180
200
inch
24
32
40
48
64
80
96
120
144
160
Lens Center
Throw Angle (Ͱ)
Throw Distance (C)
Screen center
Screen Diagonal
Screen Width
Screen Height
Screen Bottom
(B)
(D)
B=Ver tical distance between lens center and screen center
C=Throw distance
D=Vertical distance between lens center and bottom of screen
α = Throw angle
NOTE: Distances may vary +/–5%.
12


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