How To Get A Preferred Image Size By Adjusting Distance And Zoom - Acer B123D Series User Manual

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.
•
SVGA/XGA series
To obtain an image size of 50" set the projector at a distance 2.0 m and 2.2 m
from the screen.
Desired Image Size
Diagonal (inch)
W (cm) x H (cm)
<A>
30
40
50
60
70
80
90
100
150
180
200
250
300
Zoom Ratio: 1.1x
2.0 m
2.2 m
Desired Distance
Distance (m)
Max zoom
<B>
61 x 46 1.2
81 x 61 1.6
102 x 76 2.0
122 x 91 2.37
142 x 107 2.8
163 x 122 3.2
183 x 137 3.5
203 x 152 3.9
305 x 229 5.9
366 x 274 7.1
406 x 305 7.9
508 x 381 9.9
610 x 457 11.8
50"
Desired image
size
Height: 88 cm
from base to
top of image
From base to top of
Min zoom
<C>
1.3
1.8
2.2
2.6
3.1
3.5
4.0
4.4
6.6
7.9
8.8
11.0
17
Top (cm)
image
<D>
53
70
88
105
123
140
158
175
263
315
351
438
526