Acer AF312 series Manuel de l'utilisateur - Page 23
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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 2.0 m and 2.4 m
from the screen.
Desired Image Size
Diagonal (inch)
W (cm) x H (cm)
<A>
30
40
50
60
70
80
90
100
120
150
180
200
250
300
Zoom Ratio: 1.2x
2.0 m
B
2.4 m
Desired Distance
C
Distance (m)
Max zoom
<B>
66 x 37
1.0
89 x 50
1.3
111 x 62
1.7
133 x 75
2.0
155 x 87
2.3
177 x 100
2.7
199 x 112
3.0
221 x 125
3.3
266 x 149
4.0
332 x 187
5.0
398 x 224
6.0
443 x 249
6.6
553 x 311
8.3
664 x 374
10.0
A
60"
Desired
image size
D
Height: 100 cm
from base to top
of image
From base to top of
Min zoom
<C>
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
4.8
6.0
7.2
8.0
10.0
13
Top (cm)
image
<D>
50
67
83
100
117
133
150
167
200
250
300
334
417
501