Acer H7550BD User Manual - Page 24

How to Get a Preferred Image Size by Adjusting, Distance and Zoom

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English 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. 70" Desired image size 1.1 m 1.2 m Desired distance Height: 89 cm From base to top of image Desired Image Size Diagonal (inch) < A > W (cm) x H (cm) 30 66 x 37 40 89 x 50 50 111 x 62 60 133 x 75 70 155 x 87 80 177 x 100 90 199 x 112 100 221 x 125 120 266 x 149 150 332 x 187 180 398 x 224 200 443 x 249 250 553 x 311 300 664 x 374 Zoom Ratio: 1.1 x Distance (m) Max zoom Min zoom < B > < C > 0.5 0.6 0.7 0.8 0.8 0.9 1.0 1.1 1.2 1.2 1.3 1.4 1.5 1.5 1.7 1.8 2.0 2.3 2.5 2.7 3.0 3.1 3.4 3.8 4.2 4.6 Top (cm) From base to top of image < D > 38 51 64 77 89 102 115 128 153 191 230 255 319 383

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14
English
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
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
0.5
38
40
89 x 50
0.6
0.7
51
50
111 x 62
0.8
0.8
64
60
133 x 75
0.9
1.0
77
70
155 x 87
1.1
1.2
89
80
177 x 100
1.2
1.3
102
90
199 x 112
1.4
1.5
115
100
221 x 125
1.5
1.7
128
120
266 x 149
1.8
2.0
153
150
332 x 187
2.3
2.5
191
180
398 x 224
2.7
3.0
230
200
443 x 249
3.1
3.4
255
250
553 x 311
3.8
4.2
319
300
664 x 374
4.6
383
Zoom Ratio: 1.1 x
Desired distance
Height:
89 cm
From base
to top of
image
70"
Desired
image size
1.1 m
1.2 m