Distance Chart - NEC VT45 User Manual
Nec vt45: users manual
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Also See for VT45:
- User manual (43 pages) ,
- Installation data (8 pages) ,
- Specifications (2 pages)
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Distance Chart
Screen Center
B
Lens Center/
Screen Bottom
D
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and bottom of screen for desktop
= Throw angle
Lens Offset
5.4mm
Screen Size
Diagonal
Width
inch
mm
inch
mm
25
635
20
508
30
762
24
610
40
1016
32
813
60
1524
48
1219
67
1702
54
1361
72
1829
58
1463
80
2032
64
1626
84
2134
67
1707
90
2286
72
1829
100
2540
80
2032
120
3048
96
2438
150
3810
120
3048
180
4572
144
3658
200
5080
160
4064
210
5334
168
4267
240
6096
192
4877
261
6629
209
5304
270
6858
216
5486
300
7620
240
6096
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and bottom of screen for desktop
= Throw angle
(15")
(24")
(36") (48")
38
61
91
25"
40"
60"
In this example the projector is upside down with the lens shift maximum position.
When the projector is positioned upside down in a place such as a tall cabinet or
shelf, follow the below.
• Place the projector on a flat and level surface.
• To avoid accidental button operation, stick the supplied three non-slip rubber
pads on three locations on the projector top cabinet as shown in the drawing.
They are a peel-and –sticker pad. Before use, peel the paper off the back of the
rubber pad.
Throw Distance
C
44.6 mm / 1.76"
Projector feet
B
Height
inch
mm
inch
mm
15
381
8
191
18
457
9
229
24
610
12
305
36
914
18
457
40
1021
20
511
43
1097
22
549
48
1219
24
610
50
1280
25
640
54
1372
27
686
60
1524
30
762
72
1829
36
914
90
2286
45
1143
108
2743
54
1372
120
3048
60
1524
126
3200
63
1600
144
3658
72
1829
157
3978
78
1989
162
4115
81
2057
180
4572
90
2286
122
152
183
(60")
229
(72")
(90")
80"
100"
120"
150"
E–17
Height
C
wide
tele
inch
mm
-
inch
mm
36
910
-
39
1000
43
1100
-
48
1210
58
1470
-
64
1620
87
2220
-
96
2450
98
2490
-
108
2740
105
2670
-
116
2940
117
2970
-
129
3270
123
3120
-
135
3440
132
3350
-
145
3690
147
3730
-
161
4100
176
4480
-
194
4930
220
5600
-
243
6170
265
6730
-
292
7410
294
7480
-
324
8240
309
7860
-
341
8650
354
8980
-
389
9890
385
9770
-
424
10760
398
10110
-
438
11130
443
11240
-
487
12370
NOTE: Distances may vary +/–5%.
305
(120")
200"
Non-slip rubber pads
Screen (inch)
Width
Screen Size (Diagonal)
D
wide
inch
mm
degree
-
0
0
11.8
-
0
0
11.7
-
0
0
11.7
-
0
0
11.6
-
0
0
11.6
-
0
0
11.6
-
0
0
11.6
-
0
0
11.6
-
0
0
11.6
-
0
0
11.5
-
0
0
11.5
-
0
0
11.5
-
0
0
11.5
-
0
0
11.5
-
0
0
11.5
-
0
0
11.5
-
0
0
11.5
-
0
0
11.5
-
0
0
11.5
-
Unit : cm (inch)
381
(150")
457
Screen
(180")
250"
300"
PC
RO L
CO NT
OU T
RG B
OU T
L/M ONO
IN
RG B
IN
IN
IN
IN
R
IN
IN
IN
AC
AC
tele
degree
10.8
10.7
10.7
10.6
10.6
10.6
10.6
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
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