Acer X122 User Manual - Page 22

How to optimize image size and distance, SVGA/XGA series

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English 12 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. • SVGA/XGA series If the projector is 2.0 m from the screen, good image quality is possible for image sizes between 45" and 50". Note: Remind as below figure, the space of 99 cm height is required when located at 2.0 m distance. Max screen size Min screen size B 50" 45" A 2.0 m Desired Distance Height: 99 cm from base to top Height: of image 8C9 cm 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 34 69 x 52 67 38 77 x 57 75 2 45 92 x 69 89 50 102 x 77 99 2.5 56 115 x 86 112 63 128 x 96 124 3 68 138 x 103 134 75 153 x 115 149 3.5 79 161 x 120 157 88 179 x 134 174 4 90 183 x 138 179 100 204 x 153 199 4.5 102 206 x 155 201 113 230 x 172 224 5 113 229 x 172 224 126 255 x 191 249 6 135 275 x 206 268 151 306 x 230 298 7 158 321 x 241 313 176 357 x 268 348 8 181 367 x 275 358 201 408 x 306 398 9 203 413 x 310 403 226 459x 344 448 10 226 459 x 344 447 251 510 x 383 497 Zoom Ratio: 1.1x

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12
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.
•
SVGA/XGA series
If the projector is 2.0 m from the screen, good image quality is possible for
image sizes between 45" and 50".
Note:
Remind as below figure, the space of 99 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
34
69 x 52
67
38
77 x 57
75
2
45
92 x 69
89
50
102 x 77
99
2.5
56
115 x 86
112
63
128 x 96
124
3
68
138 x 103
134
75
153 x 115
149
3.5
79
161 x 120
157
88
179 x 134
174
4
90
183 x 138
179
100
204 x 153
199
4.5
102
206 x 155
201
113
230 x 172
224
5
113
229 x 172
224
126
255 x 191
249
6
135
275 x 206
268
151
306 x 230
298
7
158
321 x 241
313
176
357 x 268
348
8
181
367 x 275
358
201
408 x 306
398
9
203
413 x 310
403
226
459x 344
448
10
226
459 x 344
447
251
510 x 383
497
Zoom Ratio: 1.1x
50"
45"
45"
5"
A
C
B
Height: 99 cm
from base to top
of image
Height:
89 cm
2.0 m
Desired Distance
Max screen size
Min screen size