Vt676/Vt670/Vt575/Vt470; Vt47; Throw Distance And Screen Size - NEC VT70 User Manual

Throw Distance and Screen Size

The following shows the proper relative positions of the projector and screen. Refer to the table to determine the
position of installation.
Distance Chart
Screen Height

VT676/VT670/VT575/VT470

Screen Size
Diagonal Width Height
inch inch inch
inch
21 17 13
25 20 15
30 24 18
40 32
24
60 48 36
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
270 216 162
300 240 180

VT47

Screen Size
Diagonal Width
inch inch
25 20
24
30
40 32
60 48
72 58
80 64
84 67
72
90
100 80
120 96
150 120
180 144
200 160
168
210
240 192
270 216
300 240
Screen Width
Screen Diagonal
Screen center
(B)
(D)
Lens Center
Throw Angle ( )
Throw Distance (C)
B C D
Wide – Tele Wide – Tele
inch inch
-1
5 –– – 29 –– – 9.9
-2
6 28 – 34
12.0 – 9.8
-2
7 34 – 42 11.9 – 9.8
-2
10 46 – 56
11.7 – 9.7
-4
14 70 – 85 11.6 – 9.6
-4
17 84 – 102
11.6 – 9.6
-5
19 93 – 113 11.6 – 9.6
-5
20 98 – 119
11.6 – 9.6
-6
22 105 – 128 11.5 – 9.6
-6
24 117 – 142
11.5 – 9.6
-7
29 141 – 171 11.5 – 9.5
-9
36 176 – 214
11.5 – 9.5
43 212 – 257 -11
11.5 – 9.5
-12
48 236 – 285
11.5 – 9.5
-13
50 247 – 300 11.5 – 9.5
-15
57 283 – 343
11.5 – 9.5
-17
65 319 – 386 11.4 – 9.5
-18
72 354 – 429
11.4 – 9.5
B D
C
Height
inch inch
inch inch
15 6 23
7 28
18
24 10 37
14 56
36
43 17 68
19 76
48
50 20 80
22 85
54
60 24 95
29 114
72
90 36 143
43 172 -11
108
-12
120 48 191
-13
50 201
126
-15
144 57 229
-17
65 258
162
-18
180 72 287
Screen Bottom
B = Vertical distance between lens center and
C = Throw distance
D = Vertical distance between lens center and
= Throw angle
NOTE: Distances may vary +/-5%.
Screen Size
Diagonal Width
mm
degree
533
635
762
1016
1524
1829
2032
2134
2286
2540
3048
3810
4572
5080
5334
6096
6858
7620
Screen Size
Diagonal Width
degree
mm
-2
14.6 635
-2 14.5
762
-2
14.4 1016
-4
14.2
1524 1219
-4
14.2 1829 1463
-5 14.2
2032 1626
-5
14.2 2134 1707
-6 14.1 1829
2286
-6
14.1 2540 2032
-7
14.1
3048 2438
-9
14.1 3810 3048
14.1 4572 3658
14.0 5080 4064
14.0 4267
5334
14.0 6096 4877
14.0
6858 5486
14.0 7620 6096
13
2. Installation and Connections
screen center
bottom of screen (top of screen for ceiling
application)
B
Height Wide – Tele
mm mm mm
mm
427 320 130 ––– –
508 381 150 720 –
610 457 180 870 – 1060
813 240 1170 – 1420
610
1219 914 360 1770 – 2150
1463 1097 440 2130 – 2590
1626 1219 490 2370 – 2880
1707 1280 510 2490 – 3020
1829 1372 550 2670 – 3240
2032 1524 610 2970 – 3600
2438 1829 730 3580 – 4330
3048 2286 910 4480 – 5420
1090 5380 – 6520
3658 2743
4064 3048 1210 5980 – 7240
4267 3200 1270 6280 – 7610
4877 3658 1460 7190 – 8700
5486 4115 1640 8090 – 9790
6096 4572 1820 8990 – 10880
B
C
Height
mm
mm mm mm
508 381 150 580
610 180 700
457
813 610 240 950
360 1440
914
1097 440 1730
490 1920
1219
1280 510 2020
550 2170
1372
1524 610 2410
730 2900
1829
2286 910 3630
1090 4360
2743
3048 1210 4850
1270 5100
3200
3658 1460 5830
1640 6560
4115
4572 1820 7290
C D
Wide – Tele
mm
degree
-30
730 –– – 9.9
-40
870
12.0 – 9.8
-50
11.9 – 9.8
-60
11.7 – 9.7
-90
11.6 – 9.6
-110
11.6 – 9.6
-120
11.6 – 9.6
-130
11.6 – 9.6
-140
11.5 – 9.6
-160
11.5 – 9.6
-190
11.5 – 9.5
-230
11.5 – 9.5
-280
11.5 – 9.5
-310
11.5 – 9.5
-330
11.5 – 9.5
-370
11.5 – 9.5
-420
11.4 – 9.5
-470
11.4 – 9.5
D
mm degree
-40
14.6
-50 14.5
-60
14.4
-90
14.2
-110
14.2
-120 14.2
-130
14.2
-140 14.1
-160
14.1
-190
14.1
-230
14.1
-280 14.1
-310
14.0
-330
14.0
-370
14.0
-420
14.0
-470
14.0