Lt240, Installation and connections, Setting up the screen and theprojector <lt240 – NEC LT240 User Manual
Page 25: E-25
E-25
INSTALLATION AND CONNECTIONS
Ͼ
Setting Up the Screen and theProjector
<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%.
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
12.6
16.8
25.2
28.1
30.2
33.6
35.3
37.8
42.0
50.4
63.0
75.6
84.0
88.2
100.8
109.7
113.4
126.1
147.1
168.1
189.1
210.1
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
inch
3.6
4.8
7.2
8.0
8.6
9.6
10.1
10.8
12.0
14.4
18.0
21.6
24.0
25.2
28.8
31.4
32.4
36.1
42.1
48.1
54.1
60.1
degree
19.4 - 16.2
19.2 - 16.0
19.0 - 15.9
19.0 - 15.9
18.9 - 15.8
18.9 - 15.8
18.9 - 15.8
18.9 - 15.8
18.8 - 15.8
18.8 - 15.8
18.8 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.6 - 15.7
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
320
426
640
715
768
853
896
960
1067
1280
1601
1921
2134
2241
2561
2785
2881
3202
3735
4269
4803
5336
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
mm
91
122
183
204
219
244
256
274
305
366
458
549
610
641
732
797
824
916
1068
1221
1374
1526
degree
19.4 - 16.2
19.2 - 16.0
19.0 - 15.9
19.0 - 15.9
18.9 - 15.8
18.9 - 15.8
18.9 - 15.8
18.9 - 15.8
18.8 - 15.8
18.8 - 15.8
18.8 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.7 - 15.7
18.6 - 15.7