Acer X1278H Series User Manual page 22

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