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E-13
NOTE: Distances may vary +/-5%.
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-44.)
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.
Distance Chart
B = Vertical distance between lens center and screen center
C = Throw distance
α = Throw angle
Lens Center
Throw Angle (Ͱ)
Throw Distance (C)
Screen center
Screen Diagonal
Screen Width
Screen Height
Screen Bottom
(B)
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.
α
Wide – Tele
inch
15
18
24
36
40
43
48
50
54
60
72
90
108
120
126
144
157
162
180
210
240
270
300
Screen Size B C
Wide – TeleDiagonal Width Height
inch
––– - 39.6
35.1 - 47.8
47.4 - 64.4
72.1 - 97.6
80.7 - 109.2
86.9 - 117.5
96.8 - 130.8
101.7 - 137.4
109.1 - 147.4
121.4 - 164.0
146.1 - 197.2
183.1 - 246.9
220.1 - 296.7
244.8 - 329.9
257.1 - 346.5
294.1 - 396.3
320.0 - 431.1
331.1 - 446.0
368.1 - 495.8
429.8 - 578.7
491.5 - –––
553.2 - –––
614.8 - –––
degree
––– - 10.7
14.4 - 10.7
14.2 - 10.5
14.0 - 10.4
14.0 - 10.4
14.0 - 10.4
13.9 - 10.4
13.9 - 10.4
13.9 - 10.4
13.9 - 10.4
13.8 - 10.3
13.8 - 10.3
13.8 - 10.3
13.8 - 10.3
13.8 - 10.3
13.8 - 10.3
13.7 - 10.3
13.7 - 10.3
13.7 - 10.3
13.7 - 10.3
13.7 - –––
13.7 - –––
13.7 - –––
inch
8.0
9.0
12.0
18.0
20.0
22.0
24.0
25.0
27.0
30.0
36.0
45.0
54.0
60.0
63.0
72.0
78.0
81.0
90.0
105.0
120.0
135.0
150.0
α
Wide – Tele
mm
381
457
610
914
1021
1097
1219
1280
1372
1524
1829
2286
2743
3048
3200
3658
3978
4115
4572
5334
6096
6858
7620
Screen Size B C
Wide – TeleDiagonal Width Height
mm
––– - 1005
891 - 1215
1204 - 1636
1831 - 2479
2050 - 2774
2207 - 2985
2458 - 3322
2583 - 3490
2771 - 3743
3084 - 4165
3711 - 5007
4651 - 6272
5591 - 7536
6217 - 8379
6531 - 8800
7471 - 10064
8129 - 10949
8410 - 11328
9350 - 12593
10917 - 14700
12484 - –––
14050 - –––
15617 - –––
degree
––– - 10.7
14.4 - 10.7
14.2 - 10.5
14.0 - 10.4
14.0 - 10.4
14.0 - 10.4
13.9 - 10.4
13.9 - 10.4
13.9 - 10.4
13.9 - 10.4
13.8 - 10.3
13.8 - 10.3
13.8 - 10.3
13.8 - 10.3
13.8 - 10.3
13.8 - 10.3
13.7 - 10.3
13.7 - 10.3
13.7 - 10.3
13.7 - 10.3
13.7 - –––
13.7 - –––
13.7 - –––
mm
191
229
305
457
511
549
610
640
686
762
914
1143
1372
1524
1600
1829
1989
2057
2286
2667
3048
3429
3810
mm
635
762
1016
1524
1702
1829
2032
2134
2286
2540
3048
3810
4572
5080
5334
6096
6629
6858
7620
8890
10160
11430
12700
mm
508
610
813
1219
1361
1463
1626
1707
1829
2032
2438
3048
3658
4064
4267
4877
5304
5486
6096
7112
8128
9144
10160
inch
25
30
40
60
67
72
80
84
90
100
120
150
180
200
210
240
261
270
300
350
400
450
500
inch
20
24
32
48
54
58
64
67
72
80
96
120
144
160
168
192
209
216
240
280
320
360
400