Acer H6815BD Series User Manual page 23

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Resolution: 3840 x 2160, Zoom ratio: 1.3x
To obtain an image size of 70", set the projector at a distance between 1.7 m
and 2.3 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
1.7 m
Desired distance
2.3 m
Distance (m)
Max zoom
< B >
66 x 37 0.7
89 x 50 1.0
111 x 62 1.2
133 x 75 1.5
155 x 87 1.7
177 x 100 2.0
199 x 112 2.2
221 x 125 2.5
266 x 149 3.0
332 x 187 3.7
398 x 224 4.5
443 x 249 5.0
553 x 311 6.2
664 x 374 7.5
70"
Desired
image size
Height:
96 cm
From
base to
top of
image
Top (cm)
Min zoom From base to top of
< C > image < D >
1.0 41
1.3 55
1.6 68
1.9 82
2.3 96
2.6 110
2.9 123
3.2 137
3.9 164
4.8 205
5.8 247
6.5 274
8.1 342
9.7 411
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