ViewSonic Pro7827HD Pro7827HD User Guide English - Page 21

determine the exact mounting position so that it best suits your installation location., install

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(a) Screen Size [inch (m)] 30 (0.8) 40 (1.0) 50 (1.3) 60 (1.5) 70 (1.8) 80 (2.0) 90 (2.3) 100 (2.5) 120 (3.0) 150 (3.8) 200 (5.1) 250 (6.4) 300 (7.6) 16:9 image on a 4:3 Screen (b) Projection distance [m (inch)] (c) Image height min. max. [cm (inch)] (d) Vertical offset [cm (inch)] min. max. 0.7 (28) 0.9 (36) 34 (14) 1.7 (0.7) 5.1 (2.0) 0.9 (37) 1.2 (48) 46 (18) 2.3 (0.9) 6.9 (2.7) 1.2 (46) 1.5 (60) 57 (23) 2.9 (1.1) 8.6 (3.4) 1.4 (55) 1.8 (72) 69 (27) 3.4 (1.4) 10.3 (4.1) 1.6 (65) 2.1 (84) 80 (32) 4.0 (1.6) 12.0 (4.7) 1.9 (74) 2.4 (96) 91 (36) 4.6 (1.8) 13.7 (5.4) 2.1 (83) 2.7 (108) 103 (41) 5.1 (2.0) 15.4 (6.1) 2.3 (92) 3.1 (120) 114 (45) 5.7 (2.3) 17.1 (6.8) 2.8 (111) 3.7 (144) 137 (54) 6.9 (2.7) 20.6 (8.1) 3.5 (139) 4.6 (180) 171 (68) 8.6 (3.4) 25.7 (10.1) 4.7 (185) 6.1 (240) 229 (90) 11.4 (4.5) 34.3 (13.5) 5.9 (231) 7.6 (300) 286 (113) 14.3 (5.6) 42.9 (16.9) 7.0 (277) 9.2 (360) 343 (135) 17.1 (6.8) 51.4 (20.3) There is 3% tolerance among these numbers due to optical component variations. It is recommended that if you intend to permanently install the projector, you should physically test the projection size and distance using the actual projector in situ before you permanently install it, so as to make allowance for this projector's optical characteristics. This will help you determine the exact mounting position so that it best suits your installation location. 14

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14
There is 3% tolerance among these numbers due to optical component variations. It is
recommended that if you intend to permanently install the projector, you should physically
test the projection size and distance using the actual projector in situ before you permanently
install it, so as to make allowance for this projector's optical characteristics. This will help you
determine the exact mounting position so that it best suits your installation location.
(a) Screen Size
[inch (m)]
16:9 image on a 4:3 Screen
(b) Projection distance [m (inch)]
(c) Image height
[cm (inch)]
(d) Vertical offset
[cm (inch)]
min.
max.
min.
max.
30
(0.8)
0.7
(28)
0.9
(36)
34
(14)
1.7
(0.7)
5.1
(2.0)
40
(1.0)
0.9
(37)
1.2
(48)
46
(18)
2.3
(0.9)
6.9
(2.7)
50
(1.3)
1.2
(46)
1.5
(60)
57
(23)
2.9
(1.1)
8.6
(3.4)
60
(1.5)
1.4
(55)
1.8
(72)
69
(27)
3.4
(1.4)
10.3
(4.1)
70
(1.8)
1.6
(65)
2.1
(84)
80
(32)
4.0
(1.6)
12.0
(4.7)
80
(2.0)
1.9
(74)
2.4
(96)
91
(36)
4.6
(1.8)
13.7
(5.4)
90
(2.3)
2.1
(83)
2.7
(108)
103
(41)
5.1
(2.0)
15.4
(6.1)
100
(2.5)
2.3
(92)
3.1
(120)
114
(45)
5.7
(2.3)
17.1
(6.8)
120
(3.0)
2.8
(111)
3.7
(144)
137
(54)
6.9
(2.7)
20.6
(8.1)
150
(3.8)
3.5
(139)
4.6
(180)
171
(68)
8.6
(3.4)
25.7
(10.1)
200
(5.1)
4.7
(185)
6.1
(240)
229
(90)
11.4
(4.5)
34.3
(13.5)
250
(6.4)
5.9
(231)
7.6
(300)
286
(113)
14.3
(5.6)
42.9
(16.9)
300
(7.6)
7.0
(277)
9.2
(360)
343
(135)
17.1
(6.8)
51.4
(20.3)