Acer XD1520i User Manual page 22

1080p Series
To obtain an image size of 80" set the projector at a distance 2.1 m from the screen.
Desired image size
Diagonal (inch)
<A>
30.1
40
50
60
70
80
90
100
120
150
180
200
250
301
Zoom Ratio: 1.0x
22 English
Desired image
2.1 m
Desired Distance
W (cm) x H (cm)
67 x 37
89 x 50
111 x 62
133 x 75
155 x 87
177 x 100
199 x 112
221 x 125
266 x 149
332 x 187
398 x 224
443 x 249
553 x 311
666 x 375
A
80"
size
B
Distance (m)
Max zoom
<B>
0.8
1.1
1.3
1.6
1.9
2.1
2.4
2.7
3.2
4.0
4.8
5.3
6.6
8.0
C
Height: 103 cm
from base to top
of image
Top (cm)
From base to top of image
<C>
39
51
64
77
90
103
115
128
154
192
231
257
321
386