Acer P1500 - Manual (Page 26)

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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.
• X111/X1140/X1140A/X111P/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.
Desired Image Size Distance (m) Top (cm)
Diagonal (inch)
< A >
W (cm) x H (cm)
Max zoom
< B >
Min zoom
< C >
From base to top of
image < D >
30 61 x 46 1.2 50
40 81 x 61 1.5 1.7 67
50 102 x 76 1.9 2.1 84
60 122 x 91 2.3 2.5 101
70 142 x 107 2.6 2.9 117
80 163 x 122 3.0 3.3 134
90 183 x 137 3.4 3.7 151
100 203 x 152 3.8 4.2 168
120 244 x 183 4.5 5.0 201
150 305 x 229 5.7 6.2 251
180 366 x 274 6.8 7.5 302
200 406 x 305 7.6 8.3 335
250 508 x 381 9.4 10.4 419
300 610 x 457 11.3 503
Zoom Ratio: 1.1 x
Desired distance
Height:
117 cm
From base
to top of
image
70"
Desired
image size
2.6 m
2.9 m