Lt220, Installation and connections, Setting up the screen and theprojector <lt220 – NEC LT240 User Manual
Page 26: E-26
E-26
INSTALLATION AND CONNECTIONS
Ͼ
Setting Up the Screen and theProjector
<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%.
α
Wide – Tele
inch
24
32
48
54
58
64
67
72
80
96
120
144
160
168
192
209
216
240
280
320
360
400
inch
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 – Tele
D
inch
30
40
60
67
72
80
84
90
100
120
150
180
200
210
240
261
270
300
350
400
450
500
Diagonal
Width
Height
inch
13.0
17.4
26.0
29.1
31.2
34.7
36.4
39.0
43.4
52.1
65.1
78.1
86.8
91.1
104.1
113.2
117.1
130.1
151.8
173.5
195.2
216.9
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
inch
4.0
5.4
8.0
9.0
9.6
10.7
11.2
12.0
13.4
16.1
20.1
24.1
26.8
28.1
32.1
34.9
36.1
40.1
46.8
53.5
60.2
66.9
degree
15.2 - 12.4
15.1 - 12.4
14.9 - 12.3
14.9 - 12.3
14.9 - 12.3
14.9 - 12.3
14.9 - 12.3
14.9 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.7 - 12.3
14.7 - 12.3
14.7 - 12.2
14.7 - 12.2
mm
762
1016
1524
1702
1829
2032
2134
2286
2540
3048
3810
4572
5080
5334
6096
6629
6858
7620
8890
10160
11430
12700
mm
610
813
1219
1361
1463
1626
1707
1829
2032
2438
3048
3658
4064
4267
4877
5304
5486
6096
7112
8128
9144
10160
mm
457
610
914
1021
1097
1219
1280
1372
1524
1829
2286
2743
3048
3200
3658
3978
4115
4572
5334
6096
6858
7620
Diagonal
Width
Height
Screen Size
B
C
Wide – Tele
D
α
Wide – Tele
mm
331
441
661
738
793
882
926
992
1102
1322
1653
1983
2203
2314
2644
2875
2975
3305
3856
4407
4958
5508
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
mm
102
136
204
228
245
272
286
306
340
408
510
612
679
713
815
887
917
1019
1189
1359
1529
1698
degree
15.2 - 12.4
15.1 - 12.4
14.9 - 12.3
14.9 - 12.3
14.9 - 12.3
14.9 - 12.3
14.9 - 12.3
14.9 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.8 - 12.3
14.7 - 12.3
14.7 - 12.3
14.7 - 12.2
14.7 - 12.2