NEC LT240GOV User Manual - Page 25

LT240

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INSTALLATION AND CONNECTIONS Ͼ Setting Up the Screen and theProjector 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 Width Height inch inch inch 30 24 18 40 32 24 60 48 36 67 54 40 72 58 43 80 64 48 84 67 50 90 72 54 100 80 60 120 96 72 150 120 90 180 144 108 200 160 120 210 168 126 240 192 144 261 209 157 270 216 162 300 240 180 350 280 210 400 320 240 450 360 270 500 400 300 B 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 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 D 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 α Wide - Tele 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 Screen Size Diagonal Width Height mm mm mm 762 610 457 1016 813 610 1524 1219 914 1702 1361 1021 1829 1463 1097 2032 1626 1219 2134 1707 1280 2286 1829 1372 2540 2032 1524 3048 2438 1829 3810 3048 2286 4572 3658 2743 5080 4064 3048 5334 4267 3200 6096 4877 3658 6629 5304 3978 6858 5486 4115 7620 6096 4572 8890 7112 5334 10160 8128 6096 11430 9144 6858 12700 10160 7620 B mm 320 426 640 715 768 853 896 960 1067 1280 1601 1921 2134 2241 2561 2785 2881 3202 3735 4269 4803 5336 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 D mm 91 122 183 204 219 244 256 274 305 366 458 549 610 641 732 797 824 916 1068 1221 1374 1526 α Wide - Tele 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 E-25

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E-25
INSTALLATION AND CONNECTIONS
±
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