Acer X1278H User Manual - Page 23
How to get a preferred image size by adjusting, distance and zoom, Height: 119 cm
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English 13 How to get a preferred image size by adjusting distance and zoom • XGA series The table below shows how to achieve a desired image size by adjusting either the position or the zoom ring. To obtain an image size of 60" set the projector at a distance 2.4 m and 2.6 m from the screen. A 60" Desired image size D Height: 119 cm from base to top of image 2.6 m C 2.4 m B Desired Distance Desired Image Size Diagonal (inch) W (cm) x H (cm) 30 40 50 60 70 80 90 100 120 150 180 200 250 300 Zoom Ratio: 1.1x 61 x 46 81 x 61 102 x 76 122 x 91 142 x 107 163 x 122 183 x 137 203 x 152 244 x 183 305 x 229 366 x 274 406 x 305 508 x 381 610 x 457 Distance (m) Max zoom Min zoom 1.2 1.3 1.6 1.7 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.5 3.6 3.9 4.0 4.3 4.8 5.2 5.9 6.5 7.1 7.8 7.9 8.7 9.9 10.9 11.9 Top (cm) From base to top of image 59 79 99 119 139 158 178 198 238 297 357 396 495 594