Acer P1255 User Manual - Page 24
To obtain an image size of 70, set the projector at a distance between 2.1 m
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14 • XGA series with a zoom ratio of 1.3x and a throw ratio of 1.51 - 1.97 To obtain an image size of 70", set the projector at a distance between 2.1 m and 2.8 m from the screen and adjust the zoom level accordingly. English 2.8 m 2.1 m Desired distance 70" Desired image size Height: 115 cm From base to top of image Desired Image Size Diagonal (inch) < A > W (cm) x H (cm) 30 61 x 46 40 81 x 61 50 102 x 76 60 122 x 91 70 142 x 107 80 163 x 122 90 183 x 137 100 203 x 152 120 244 x 183 150 305 x 229 180 366 x 274 200 406 x 305 250 508 x 381 300 610 x 457 Zoom Ratio: 1.3 x Distance (m) Max zoom Min zoom < B > < C > 1.2 1.2 1.6 1.5 2.0 1.8 2.4 2.1 2.8 2.5 3.2 2.8 3.6 3.1 4.0 3.7 4.8 4.6 6.0 5.5 7.2 6.1 8.0 7.7 10.0 9.2 Top (cm) From base to top of image < D > 49 66 82 98 115 131 147 164 197 246 295 328 410 491
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