How To Get A Preferred Image Size By Adjusting Distance And Zoom - Acer A1P1901 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.
To obtain an image size of 70" set the projector at a distance 1.9 m from the
screen.
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: 1.0 x
1.9 m
Desired distance
Distance (m)
Max zoom
< B >
66 x 37 0.8
89 x 50 1.1
111 x 62 1.4
133 x 75 1.6
155 x 87
1.9
177 x 100 2.2
199 x 112 2.4
221 x 125 2.7
266 x 149 3.2
332 x 187 4.1
398 x 224 4.9
443 x 249 5.4
553 x 311 6.8
664 x 374 8.1
70"
Desired
Height:
image size
87 cm
From
base to
top of
image
Top (cm)
Min zoom From base to top of
< C > image < D >
0.8 37
1.1 50
1.4 62
1.6 75
1.9 87
2.2 100
2.4 112
2.7 125
3.2 149
4.1 187
4.9 224
5.4 249
6.8 311
8.1 374
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