How To Get A Preferred Image Size By Adjusting Distance And Zoom - Acer H7850 User Manual

14
How to get a preferred image size by adjusting
distance and zoom
The table below shows how to achieve a desired image size by adjusting either
the position or the zoom ring.
To obtain an image size of 60" set the projector at a distance 1.8 m and 2.9 m
from the screen.
Desired Image Size
Diagonal (inch)
W (cm) x H (cm)
<A>
20
26.45
60
70
80
90
100
120
150
200
250
300
303.2
Zoom Ratio: 1.6x
1.8 m
B
2.9 m
Desired Distance
C
Distance (m)
Max zoom
<B>
44 x 25
59 x 33 0.8
133 x 75 1.8
155 x 87 2.2
177 x 100 2.5
199 x 112 2.8
221 x 125 3.1
266 x 149 3.7
332 x 187 4.6
443 x 249 6.2
553 x 311 7.7
664 x 374 9.2
671 x 378 9.3
A
60"
Desired image
size
D
Height: 75 cm
from base to top
of image
From base to top of
Min zoom
<C>
1.0
1.3
2.9
3.4
3.9
4.4
4.9
5.9
7.4
9.8
12.3
14.7
Top (cm)
image
<D>
25
33
75
87
100
112
125
149
187
249
311
374
378