NEC LT260 User Manual page 25

INSTALLATION AND CONNECTIONS
<LT240>
B = Vertical 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%.
Screen Size
Diagonal
inch
30
40
60
67
72
80
84
90
100
120
150
180
200
210
240
261
270
300
350
400
450
500
Screen Size
Diagonal
mm
762
1016
1524
1702
1829
2032
2134
2286
2540
3048
3810
4572
5080
5334
6096
6629
6858
7620
8890
10160
11430
12700
Setting Up the Screen and theProjector
B
Width Height
inch
inch inch
12.6
24 18
16.8
32 24
25.2
48 36
28.1
54 40
30.2
58 43
33.6
64 48
35.3
67 50
37.8
72 54
42.0
80 60
50.4
96 72
63.0
120 90
75.6
144 108
84.0
160 120
88.2
168 126
100.8
192 144
109.7
209 157
113.4
216 162
126.1
240 180
147.1
210
280
168.1
320 240
189.1
360 270
210.1
300
400
B
Width Height
mm mm mm
610 457 320
813 610 426
1219 914 640
1361 1021 715
1463 1097 768
1626 1219 853
1707 1280
896
1829 1372 960
2032 1524 1067
2438 1829
1280
3048 2286 1601
2743
3658 1921
4064 3048 2134
4267 3200 2241
4877 3658
2561
5304 3978 2785
4115
5486 2881
6096 4572 3202
7112 5334 3735
6096
8128 4269
9144 6858 4803
10160 7620 5336
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C
Wide – Tele
inch
35.7 - 43.4
48.2 - 58.4
73.2 - 88.5
81.9 - 99.0
88.1 - 106.5
98.1 - 118.6
103.1 - 124.6
110.6 - 133.6
123.1 - 148.6
148.1 - 178.7
185.5 - 223.8
223.0 - 268.9
248.0 - 298.9
260.5 - 314.0
297.9 - 359.1
324.1 - 390.6
335.4 - 404.1
372.8 - 449.2
435.3 - 524.4
497.7 - 599.6
560.1 - 674.7
622.5 - 749.9
C
Wide – Tele
mm
907 - 1102
1224 - 1484
1858 - 2248
2080 - 2515
2239 - 2706
2493 - 3011
2620 - 3164
2810 - 3393
3127 - 3775
3761 - 4538
4713 - 5684
5664 - 6829
6298 - 7593
6615 - 7975
7567 - 9120
8233 - 9922
8518 -10265
9470 -11411
11055 -13320
12641 -15229
14227 -17138
15813 -19046
E-25
α
D
Wide – Tele
inch degree
3.6 19.4 - 16.2
4.8 19.2 - 16.0
7.2
19.0 - 15.9
8.0 19.0 - 15.9
8.6 18.9 - 15.8
9.6
18.9 - 15.8
10.1 18.9 - 15.8
10.8
18.9 - 15.8
12.0 18.8 - 15.8
14.4 18.8 - 15.8
18.0
18.8 - 15.7
21.6 18.7 - 15.7
24.0 18.7 - 15.7
25.2 18.7 - 15.7
28.8 18.7 - 15.7
31.4
18.7 - 15.7
32.4 18.7 - 15.7
36.1 18.7 - 15.7
42.1 18.7 - 15.7
48.1 18.7 - 15.7
54.1
18.7 - 15.7
60.1 18.6 - 15.7
α
D
Wide – Tele
mm degree
91 19.4 - 16.2
122
19.2 - 16.0
183 19.0 - 15.9
204 19.0 - 15.9
219 18.9 - 15.8
244 18.9 - 15.8
256
18.9 - 15.8
274 18.9 - 15.8
305 18.8 - 15.8
366 18.8 - 15.8
458 18.8 - 15.7
549
18.7 - 15.7
610 18.7 - 15.7
641 18.7 - 15.7
732
18.7 - 15.7
797 18.7 - 15.7
824
18.7 - 15.7
916 18.7 - 15.7
1068 18.7 - 15.7
1221
18.7 - 15.7
1374 18.7 - 15.7
1526 18.6 - 15.7