Acer X115 User Manual - Page 26
How to get a preferred image size by adjusting, distance and zoom
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English 16 How to get a preferred image size by adjusting distance and zoom The table below shows how to achieve a desired image size by adjusting either the position or the zoom ring. • SVGA/XGA series To obtain an image size of 50" set the projector at a distance 2.0 m and 2.2 m from the screen. 50" Desired image size Height: 88 cm from base to top of image 2.2 m 2.0 m Desired Distance Desired Image Size Diagonal (inch) W (cm) x H (cm) 30 40 50 60 70 80 90 100 150 180 200 250 300 Zoom Ratio: 1.11x 61 x 46 81 x 61 102 x 76 122 x 91 142 x 107 163 x 122 183 x 137 203 x 152 305 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 1.8 2.0 2.2 2.37 2.6 2.8 3.1 3.2 3.5 3.5 4.0 3.9 4.4 5.9 6.6 7.1 7.9 7.9 8.8 9.9 11.0 11.8 Top (cm) From base to top of image 53 70 88 105 123 140 158 175 263 315 351 438 526