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How To Get A Preferred Image Size By Adjusting Distance And Zoom - Acer H7550ST Series User Manual

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14
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.
H7550ST/E155S/HE-815ST/H1P1403/H7550STz
To obtain an image size of 70", set the projector at a distance between 1.1 m
and 1.2 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
1.1 m
1.2 m
Desired distance
Distance (m)
Max zoom
< B >
66 x 37
89 x 50
0.6
111 x 62
0.8
133 x 75
0.9
155 x 87
1.1
177 x 100
1.2
199 x 112
1.4
221 x 125
1.5
266 x 149
1.8
332 x 187
2.3
398 x 224
2.7
443 x 249
3.1
553 x 311
3.8
664 x 374
4.6
70"
Desired
image size
Height:
89 cm
From base
to top of
image
Top (cm)
Min zoom
From base to top of
< C >
image < D >
0.5
0.7
0.8
1.0
1.2
1.3
1.5
1.7
2.0
2.5
3.0
3.4
4.2
38
51
64
77
89
102
115
128
153
191
230
255
319
383

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