Acer X1273N User Manual - Page 22
How to Optimize Image Size and Distance, sizes between 72 and 79.
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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 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 133 cm height is required when the projector is located at 3 m distance. Max screen size Min screen size 79" 72" Height: 121 cm Height: 133 cm From base to top of image 3 m Desired distance Desired Distance (m) < A > Minimum Screen Size (Min zoom) Diagonal (inch) < B > W (cm) x H (cm) From base to top of image (cm) < C > Maximum Screen Size (Max zoom) Diagonal (inch) < B > W (cm) x H (cm) From base to top of image (cm) < C > 1 24 49 x 37 40 26 54 x 40 44 1.5 36 74 x 55 61 40 81 x 60 67 2 48 98 x 74 81 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 121 133 3.5 84 172 x 129 142 93 188 x 141 155 4 96 196 x 147 162 106 215 x 161 177 4.5 108 221 x 165 182 119 242 x 181 200 5 120 245 x 184 202 132 269 x 202 222 6 144 294 x 221 243 159 323 x 242 266 7 168 343 x 257 283 185 376 x 282 310 8 192 392 x 294 324 212 430 x 323 355 9 216 441 x 331 364 238 484 x 363 399 10 241 490 x 368 404 265 538 x 403 444 11 265 539 x 404 445 291 591 x 444 488 12 289 588 x 441 485 318 645 x 484 532 Zoom Ratio: 1.1 x