NEC LT240 User Manual page 26

INSTALLATION AND CONNECTIONS
<LT220>
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and bottom of screen
= Throw angle
NOTE: Distances may vary +/-5%.
Diagonal
inch
30
40
60
67
72
80
84
90
100
120
150
180
200
210
240
261
270
300
350
400
450
500
Diagonal
mm
762
1016
1524
1702
1829
2032
2134
2286
2540
3048
3810
4572
5080
5334
6096
6629
6858
7620
8890
10160
11430
12700
Screen Size
Width Height
inch inch
18
24
32 24
48 36
54 40
58 43
64 48
67 50
72 54
80 60
96 72
120 90
144 108
160 120
168 126
192 144
209 157
216 162
240 180
280 210
320 240
360 270
400 300
Screen Size
Width Height
mm mm
610 457
813 610
1219 914
1361 1021
1463 1097
1626 1219
1707 1280
1829 1372
2032 1524
2438 1829
3048 2286
3658 2743
4064 3048
4267 3200
4877 3658
5304 3978
5486 4115
6096 4572
7112 5334
8128 6096
9144 6858
10160 7620
Setting Up the Screen and theProjector
B C
Wide – Tele
inch inch
13.0 48.0 - 59.0
17.4 64.5 - 79.0
26.0 97.6 - 119.0
29.1 109.1 - 133.0
31.2 117.4 - 143.0
34.7 130.6 - 159.0
36.4 137.2 - 167.0
39.0 147.1 - 179.0
43.4 163.7 - 199.0
52.1 196.7 - 239.0
65.1 246.3 - 299.0
78.1 295.9 - 359.0
86.8 328.9 - 399.0
91.1 345.4 - 419.0
104.1 395.0 - 479.0
113.2 429.7 - 521.0
117.1 444.6 - 539.0
130.1 494.2 - 599.0
151.8 576.8 - 699.0
173.5 659.4 - 799.0
195.2 742.0 - 899.0
216.9 824.7 - 999.0
B C
Wide – Tele
mm mm
331 1219 - 1498
441 1639 - 2006
661 2478 - 3022
738 2772 - 3378
793 2982 - 3632
882 3318 - 4038
926 3485 - 4242
992 3737 - 4546
1102 4157 - 5054
1322 4996 - 6070
1653 6256 - 7595
1983 7515 - 9119
2203 8354 -10135
2314 8774 -10643
2644 10033 -12167
2875 10915 -13234
2975 11292 -13691
3305 12552 -15215
3856 14650 -17755
4407 16749 -20295
4958 18848 -22835
5508 20946 -25375
E-26
D
Wide – Tele
inch degree
4.0 15.2 - 12.4
5.4 15.1 - 12.4
8.0
14.9 - 12.3
9.0 14.9 - 12.3
9.6
14.9 - 12.3
10.7 14.9 - 12.3
11.2 14.9 - 12.3
12.0
14.9 - 12.3
13.4 14.8 - 12.3
16.1 14.8 - 12.3
20.1
14.8 - 12.3
24.1 14.8 - 12.3
26.8 14.8 - 12.3
28.1
14.8 - 12.3
32.1 14.8 - 12.3
34.9
14.8 - 12.3
36.1 14.8 - 12.3
40.1 14.8 - 12.3
46.8 14.7 - 12.3
53.5 14.7 - 12.3
60.2 14.7 - 12.2
66.9
14.7 - 12.2
D
Wide – Tele
mm degree
102 15.2 - 12.4
136 15.1 - 12.4
204 14.9 - 12.3
228 14.9 - 12.3
245
14.9 - 12.3
272 14.9 - 12.3
286
14.9 - 12.3
306 14.9 - 12.3
340 14.8 - 12.3
408 14.8 - 12.3
510 14.8 - 12.3
612 14.8 - 12.3
679
14.8 - 12.3
713 14.8 - 12.3
815
14.8 - 12.3
887 14.8 - 12.3
917 14.8 - 12.3
1019 14.8 - 12.3
1189 14.7 - 12.3
1359 14.7 - 12.3
1529
14.7 - 12.2
1698 14.7 - 12.2