ViewSonic Pro9000 PRO9000 User Guide (English) - Page 20

How to get a preferred screen size by adjusting distance and zoom

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Desired Distance (m) 1.5 1.8 2 2.3 2.5 2.8 3 3.2 3.5 3.8 4 4.2 4.5 4.8 5 Distance v.s Screen size table Screen size Top Screen size Top Diagonal (inch) 38 45 50 58 63 70 75 80 88 95 100 105 113 120 125 (Min zoom) From base to W (cm) x H top of image (cm) (cm) 83 X 47 54 100 X 56 65 111 X 63 73 128 X 72 83 138 X 78 91 155 X 88 102 167 X 94 109 178 X 100 116 194 X 109 127 211 X 119 138 222 X 125 145 233 X 131 152 250 X 140 163 267 X 150 174 278 X 156 181 Diagonal (inch) 45 54 60 69 75. 84 90 96 105 114 120 126 136 145 151 (Max zoom) W (cm) x H (cm) 100 X 56 120 X 68 133 X 75 153 X 86 167 X 94 187 X 105 200 X 113 213 X 120 233 X 131 253 X 143 267 X 150 280 X 158 300 X 169 320 X 180 333 X 188 From base to top of image (cm) 65 78 87 100 109 122 131 139 152 165 174 183 196 209 218 Zoom Ratio: 1.2x How to get a preferred screen size by adjusting distance and zoom A 60" Desired image size D Height For base to top of image B 2.0 m 2.4 m C Desired Distance The table below shows how to achieve a desired screen size by adjusting either 19

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19
Distance v.s Screen size table
Desired
Distance
(m)
<A>
Screen size
Top
Screen size
Top
(Min zoom)
(Max zoom)
Diagonal
(inch)
<B>
W (cm) x H
(cm)
From base to
top of image
(cm)
<C>
Diagonal
(inch)
<B>
W (cm) x H
(cm)
From base to
top of image
(cm)
<C>
1.5
38
83 X 47
54
45
100 X 56
65
1.8
45
100 X 56
65
54
120 X 68
78
2
50
111 X 63
73
60
133 X 75
87
2.3
58
128 X 72
83
69
153 X 86
100
2.5
63
138 X 78
91
75.
167 X 94
109
2.8
70
155 X 88
102
84
187 X 105
122
3
75
167 X 94
109
90
200 X 113
131
3.2
80
178 X 100
116
96
213 X 120
139
3.5
88
194 X 109
127
105
233 X 131
152
3.8
95
211 X 119
138
114
253 X 143
165
4
100
222 X 125
145
120
267 X 150
174
4.2
105
233 X 131
152
126
280 X 158
183
4.5
113
250 X 140
163
136
300 X 169
196
4.8
120
267 X 150
174
145
320 X 180
209
5
125
278 X 156
181
151
333 X 188
218
Zoom Ratio: 1.2x
How to get a preferred screen size by adjusting distance and zoom
B
C
A
D
The table below shows how to achieve a desired screen size by adjusting either
60”
Desired image size
Height
For base to
top of image
2.0 m
Desired Distance
2.4 m