Acer A4K1720 Gebruikershandleiding - Pagina 21
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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 2.7 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: 1.2 x
2.3 m
2.7 m
Desired distance
Distance (m)
Max zoom
< B >
66 x 37
89 x 50
1.3
111 x 62
1.6
133 x 75
2.0
155 x 87
2.3
177 x 100
2.6
199 x 112
2.9
221 x 125
3.3
266 x 149
3.9
332 x 187
4.9
398 x 224
5.9
443 x 249
6.5
553 x 311
8.1
664 x 374
9.8
70"
Desired
image size
Height:
92 cm
From base
to top of
image
Top (cm)
Min zoom
From base to top of
< C >
image < D >
1.2
39
1.6
52
1.9
65
2.3
78
2.7
92
3.1
105
3.5
118
3.9
131
4.7
157
5.8
196
7.0
235
7.8
262
9.7
327
392
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