NEC LT260 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
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
13.0
24 18
17.4
32 24
26.0
48 36
29.1
54 40
31.2
58 43
34.7
64 48
36.4
67 50
39.0
72 54
43.4
80 60
52.1
96 72
65.1
120 90
78.1
144 108
86.8
160 120
91.1
168 126
104.1
192 144
113.2
209 157
117.1
216 162
130.1
240 180
151.8
210
280
173.5
320 240
195.2
360 270
216.9
300
400
B
Width Height
mm mm mm
610 457 331
813 610 441
1219 914 661
1361 1021 738
1463 1097 793
1626 1219 882
1707 1280
926
1829 1372 992
2032 1524 1102
2438 1829
1322
3048 2286 1653
2743
3658 1983
4064 3048 2203
4267 3200 2314
4877 3658
2644
5304 3978 2875
4115
5486 2975
6096 4572 3305
7112 5334 3856
6096
8128 4407
9144 6858 4958
10160 7620 5508
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C
Wide – Tele
inch
48.0 - 59.0
64.5 - 79.0
97.6 - 119.0
109.1 - 133.0
117.4 - 143.0
130.6 - 159.0
137.2 - 167.0
147.1 - 179.0
163.7 - 199.0
196.7 - 239.0
246.3 - 299.0
295.9 - 359.0
328.9 - 399.0
345.4 - 419.0
395.0 - 479.0
429.7 - 521.0
444.6 - 539.0
494.2 - 599.0
576.8 - 699.0
659.4 - 799.0
742.0 - 899.0
824.7 - 999.0
C
Wide – Tele
mm
1219 - 1498
1639 - 2006
2478 - 3022
2772 - 3378
2982 - 3632
3318 - 4038
3485 - 4242
3737 - 4546
4157 - 5054
4996 - 6070
6256 - 7595
7515 - 9119
8354 -10135
8774 -10643
10033 -12167
10915 -13234
11292 -13691
12552 -15215
14650 -17755
16749 -20295
18848 -22835
20946 -25375
E-26
α
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
α
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