How To Get A Preferred Image Size By Adjusting Distance And Zoom - Acer X1140 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.
•
X1140/X1140A/X1240
To obtain an image size of 70", set the projector at a distance between 2.6 m
and 2.9 m from the screen and adjust the zoom level accordingly.
Diagonal (inch)
< A >
Zoom Ratio: 1.1 x
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2.9 m
Desired Image Size
W (cm) x H (cm)
30 61 x 46
40 81 x 61
50 102 x 76
60 122 x 91
70 142 x 107
80 163 x 122
90 183 x 137
100 203 x 152
120 244 x 183
150 305 x 229
180 366 x 274
200 406 x 305
250 508 x 381
300 610 x 457
2.6 m
Desired distance
Distance (m)
Max zoom Min zoom
< B > < C >
1.2
1.5 1.7
1.9 2.1
2.3 2.5
2.6 2.9
3.0 3.3
3.4 3.7
3.8 4.2
4.5 5.0
5.7 6.2
6.8 7.5
7.6 8.3
9.4 10.4
11.3
70"
Desired
Height:
image size
112 cm
From base
to top of
image
Top (cm)
From base to top of
image < D >
48
64
80
96
112
128
144
160
192
240
288
320
400
480
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