How To Optimize Image Size And Distance - Acer P1173 series User Manual

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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
If the projector is 3 m from the screen, good image quality is possible for image
sizes between 72" and 79".
Desired
Distance
(m)
< A >
1
1.5
2
2.5
3
3.5
4
4.5
5
6
7
8
9
10
11
12
Zoom Ratio: 1.1 x
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Note: Remind as below figure, the space of 133 cm height is
required when the projector is located at 3 m distance.
3 m
Desired distance
Minimum Screen Size (Min zoom)
Diagonal
(inch) W (cm) x H (cm)
< B >
24 49 x 37
36 74 x 55
48 98 x 74
60 123 x 92
72 147 x 110
84 172 x 129
96 196 x 147
108 221 x 165
120 245 x 184
144 294 x 221
168 343 x 257
192 392 x 294
216 441 x 331
241 490 x 368
265 539 x 404
289 588 x 441
Maximum Screen Size (Max zoom)
From base to
Diagonal
top of image
(inch) W (cm) x H (cm)
(cm)
< B >
< C >
40 26
61 40
81 53
101 66
121 79
142 93
162 106
182 119
202 132
243 159
283 185
324 212
364 238
404 265
445 291
485 318
79"
72"
Height:
133 cm
Height: From
121 cm
base to
top of
image
From base to
top of image
(cm)
< C >
54 x 40 44
81 x 60 67
108 x 81 89
134 x 101 111
161 x 121 133
188 x 141 155
215 x 161 177
242 x 181 200
269 x 202 222
323 x 242 266
376 x 282 310
430 x 323 355
484 x 363 399
538 x 403 444
591 x 444 488
645 x 484 532