20
the position or the zoom ring. For example: to obtain an image size of 60” set the
projector at a distance 2.0 m and 2.4 m from the screen and adjust the zoom level
accordingly.
Screen size v.s. Distance table
Screen size
Distance (m)
Top (cm)
Diagonal (inch)
<A>
W (cm) x H (cm)
Max zoom
<B>
Min zoom
<C>
From base to top of image
<D>
30
66 x 37
1.0
1.2
43
40
89 x 50
1.3
1.6
58
50
111 x 62
1.7
2
72
60
133 x 75
2
2.4
87
70
155 x 87
2.3
2.8
101
80
117 x 100
2.7
3.2
116
90
199 x 112
3.0
3.6
130
100
221 x 125
3.3
4.0
144
110
247X 139
3.7
4.4
161
120
266 x 149
4
4.8
173
130
287 x 161
4.3
5.2
187
140
311 x 175
4.7
5.6
204
150
332 X187
5
6
217
Zoom Ratio: 1.2x
Содержание Pro9000
Страница 57: ......