Acer X1237 - Manual (Page 21)

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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.
• X1130P/X1130PA/X1230P/X1230PA/X1230PK/X1237
If the projector is 3 m from the screen, good image quality is possible for image
sizes between 72" and 79".
Note: Remind as below figure, the space of 132 cm height is
required when the projector is located at 3 m distance.
Desired
Distance
(m)
< A >
Minimum Screen Size (Min zoom) Maximum Screen Size (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 36 74 x 55 60 40 81 x 60 67
2 48 98 x 74 80 53 108 x 81 89
2.5 60 123 x 92 101 66 134 x 101 111
3 72 147 x 110 121 79 161 x 121 132
3.5 84 172 x 129 141 93 188 x 141 156
4 96 196 x 147 161 106 215 x 161 178
4.5 108 221 x 165 181 119 242 x 181 199
5 120 245 x 184 201 132 269 x 202 221
6 144 294 x 221 241 159 323 x 242 267
7 168 343 x 257 282 185 376 x 282 310
8 192 392 x 294 322 212 430 x 323 355
9 216 441 x 331 362 238 484 x 363 399
10 241 490 x 368 404 265 538 x 403 444
11 265 539 x 404 444 291 591 x 444 488
12 289 588 x 441 484 318 645 x 484 533
Zoom Ratio: 1.1 x
3 m
Desired distance
Height:
121 cm
Height:
132 cm
From
base to
top of
image
Max scre
en size
Min scre
en size
72"
79"