Acer H6815 Series - How to Get a Preferred Image Size by Adjusting Distance and Zoom

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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 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 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 66 x 37 1.1 39
40 89 x 50 1.3 1.5 52
50 111 x 62 1.7 1.8 65
60 133 x 75 2.0 2.2 78
70 155 x 87 2.3 2.6 92
80 177 x 100 2.7 2.9 105
90 199 x 112 3.0 3.3 118
100 221 x 125 3.3 3.7 131
120 266 x 149 4.0 4.4 157
150 332 x 187 5.0 5.5 196
180 398 x 224 6.0 6.6 235
200 443 x 249 6.6 7.3 262
250 553 x 311 8.3 9.1 327
300 664 x 374 10.0 392
Zoom Ratio: 1.1 x
Desired distance
Height:
92 cm
From
base to
top of
image
70"
Desired
image size
2.3 m
2.6 m