Acer H7550BD User Manual - Page 22

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. • H7550ST/E155S/HE-815ST/H1P1403/H7550STz If the projector is 3 m from the screen, good image quality is possible for image sizes between 178" and 196". Note: Remind as below figure, the space of 251 cm height is required when the projector is located at 3 m distance. Max screen size Min screen size 196" 178" Height: 228 cm Height: 251 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 59 132 x 74 76 65 145 x 82 84 1.5 89 197 x 111 114 98 217 x 122 125 2 119 263 x 148 152 131 290 x 163 167 2.5 149 329 x 185 190 164 362 x 204 209 3 178 395 x 222 228 196 435 x 245 251 3.5 208 461 x 259 266 229 507 x 285 292 4 238 526 x 296 303 262 580 x 326 334 4.5 267 592 x 333 341 295 652 x 367 376 5 297 658 x 370 379 327 725 x 408 418 6 357 789 x 444 455 393 870 x 489 501 7 416 921 x 518 531 458 1014 x 571 585 8 475 1053 x 592 607 524 1159 x 652 668 9 535 1184 x 666 683 589 1304 x 734 752 10 594 1316 x 740 759 655 1449 x 815 836 11 654 1447 x 814 834 720 1594 x 897 919 12 713 1579 x 888 910 786 1739 x 978 1003 Zoom Ratio: 1.1 x