Acer VL7860 User Manual - Page 23

How to optimize image size and distance, Desired Distance

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English 13 How to optimize image size and distance Consult the table below to find the optimal image sizes achievable when the projector is positioned at a desired distance from the screen. If the projector is 2.0 m from the screen, good image quality is possible for image sizes between 41" and 65". Note: Remind as below figure, the space of 81 cm height is required when located at 2 m distance. Max screen size Min screen size 65" B 41" Height: 51 cm C Height: 81 cm from base to top of image A 2.0 m Desired Distance Screen size Top Screen size Top Desired (Min zoom) (Max zoom) Distance (m) Diagonal (inch) W (cm) x H (cm) From base to top of image (cm) Diagonal (inch) W (cm) x H (cm) From base to top of image (cm) 1.0 20.00 45 x 25 25 33 72 x 40 40 1.3 26 59 x 33 33 42 94 x 53 53 2.0 41 90 x 51 51 65 144 x 81 81 2.5 51 113 x 63 63 81 181 x 101 101 3.0 61 135 x 76 76 97 216 x 121 121 3.5 71 158 x 89 89 114 252 x 142 142 4.0 81 180 x 101 101 130 288 x 162 162 5.0 102 225 x 127 127 162 360 x 202 202 6.0 122 270 x 152 152 195 432 x 243 243 7.0 142 315 x 177 177 227 504 x 283 283 8.0 163 360 x 203 203 260 576 x 324 324 9.0 183 405 x 228 228 292 647 x 364 364 9.3 189 419 x 236 236 302 669 x 376 376 Zoom Ratio: 1.6x

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13
English
How to optimize image size and distance
Consult the table below to find the optimal image sizes achievable when the
projector is positioned at a desired distance from the screen.
If the projector is 2.0 m from the screen, good image quality is possible for
image sizes between 41" and 65".
Note:
Remind as below figure, the space of 81 cm height is
required when located at 2 m distance.
Desired
Distance
(m)
<A>
Screen size
Top
Screen size
Top
(Min zoom)
(Max zoom)
Diagonal
(inch)
<B>
W (cm) x H
(cm)
From base to
top of image
(cm)
<C>
Diagonal
(inch)
<B>
W (cm) x H
(cm)
From base to top
of image (cm)
<C>
1.0
20.00
45 x 25
25
33
72 x 40
40
1.3
26
59 x 33
33
42
94 x 53
53
2.0
41
90 x 51
51
65
144 x 81
81
2.5
51
113 x 63
63
81
181 x 101
101
3.0
61
135 x 76
76
97
216 x 121
121
3.5
71
158 x 89
89
114
252 x 142
142
4.0
81
180 x 101
101
130
288 x 162
162
5.0
102
225 x 127
127
162
360 x 202
202
6.0
122
270 x 152
152
195
432 x 243
243
7.0
142
315 x 177
177
227
504 x 283
283
8.0
163
360 x 203
203
260
576 x 324
324
9.0
183
405 x 228
228
292
647 x 364
364
9.3
189
419 x 236
236
302
669 x 376
376
Zoom Ratio: 1.6x
65"
41"
1"
"
41"
41"
1
41"
A
C
B
Height: 81 cm
from base to top
of image
Height:
51 cm
2.0 m
Desired Distance
Max screen size
Min screen size