Acer X1278H User Manual - Page 22

Desired Distance, Max screen size

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English 12 • WXGA series 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 52" and 62". Note: Remind as below figure, the space of 105 cm height is required when located at 2.0 m distance. Max screen size Min screen size B 62" 52" A 2.0 m Desired Distance Height: 105 cm from base to top of image Height: 87 cm C Screen size Top Screen size Top Desired Distance (Min zoom) (Max zoom) (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) 1.5 39 84 x 52 65 47 101 x 63 79 2 52 112 x 70 87 62 134 x 84 105 2.5 65 140 x 87 109 78 168 x 105 131 3 78 168 x 105 131 93 201 x 126 157 3.5 91 196 x 122 153 109 235 x 147 184 4 104 223 x 140 175 125 268 x 168 210 4.5 117 251 x 157 196 140 302 x 189 236 5 130 279 x 175 218 156 336 x 210 262 6 156 335 x 209 262 187 403 x 252 315 7 182 391 x 244 306 218 470 x 294 367 8 207 447 x 279 349 249 537 x 336 419 9 233 503 x 314 393 280 604 x 378 472 10 259 559 x 349 436 312 671 x 419 524 Zoom Ratio: 1.2x

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12
English
•
WXGA series
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 52" and 62".
Note:
Remind as below figure, the space of 105 cm height is
required when located at 2.0 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>
1.5
39
84 x 52
65
47
101 x 63
79
2
52
112 x 70
87
62
134 x 84
105
2.5
65
140 x 87
109
78
168 x 105
131
3
78
168 x 105
131
93
201 x 126
157
3.5
91
196 x 122
153
109
235 x 147
184
4
104
223 x 140
175
125
268 x 168
210
4.5
117
251 x 157
196
140
302 x 189
236
5
130
279 x 175
218
156
336 x 210
262
6
156
335 x 209
262
187
403 x 252
315
7
182
391 x 244
306
218
470 x 294
367
8
207
447 x 279
349
249
537 x 336
419
9
233
503 x 314
393
280
604 x 378
472
10
259
559 x 349
436
312
671 x 419
524
Zoom Ratio: 1.2x
62"
52"
52"
2
A
C
B
Height: 105 cm
from base to
top of image
Height:
87 cm
2.0 m
Desired Distance
Max screen size
Min screen size