How To Get A Preferred Image Size By Adjusting Distance And Zoom - Acer P1287 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.
•
XGA series
To obtain an image size of 50" set the projector at a distance 1.6 m and 2.0 m
from the screen.
Desired Image Size
Diagonal (inch)
W (cm) x H (cm)
<A>
38
40
50
60
70
80
90
100
120
150
180
250
300
307
Zoom Ratio: 1.2x
1.6 m
B
2.0 m
Desired Distance
C
Distance (m)
Max zoom
<B>
77 x 58 1.2
81 x 61 1.3
102 x 76 1.6
122 x 91 2.0
142 x 107 2.3
163 x 122 2.6
183 x 137 2.9
203 x 152 3.3
244 x 183 3.9
305 x 229 4.9
366 x 274 5.9
508 x 381 8.1
610 x 457 9.8
624 x 468 10.0
A
50"
Desired image
size
D
Height: 88 cm
from base to top
of image
From base to top of
Min zoom
<C>
1.5
1.6
2.0
2.3
2.7
3.1
3.5
3.9
4.7
5.9
7.0
9.8
11.7
12.0
19
Top (cm)
image
<D>
67
70
88
105
123
140
158
175
210
263
315
438
526
538