Acer X1123HP User Manual page 26

16
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WXGA series with a zoom ratio of 1.1x and a throw ratio of 1.55 – 1.7
To obtain an image size of 70" set the projector at a distance between 2.3 m
and 2.6 m from the screen and adjust the zoom level accordingly.
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: 1.1 x
2.3 m
Desired distance
2.6 m
Distance (m)
Max zoom
< B >
65 x 40
86 x 54 1.3
108 x 67 1.7
129 x 81 2.0
151 x 94 2.3
172 x 108 2.7
194 x 121 3.0
215 x 135 3.3
258 x 162 4.0
323 x 202 5.0
388 x 242 6.0
431 x 269 6.7
538 x 337 8.3
646 x 404 10.0
70"
Desired
Height:
image size
94 cm
From base
to top of
image
Top (cm)
Min zoom From base to top of
< C > image < D >
1.1 40
1.5 54
1.8 67
2.2 81
2.6 94
2.9 108
3.3 121
3.7 135
4.4 162
5.5 202
6.6 242
7.3 269
9.2 337
404