Samsung SP-D400S User Manual (user Manual) (ver.1.0) (English) - Page 18

You can adjust the size of image within zoom range by manipulating the Zoom Knob. Focus the picture on the screen using the Focus Ring. If your product is installed at a location out of the specified projection distance (refer to Screen Size and Projection Distance), the focus cannot be adjusted correctly. Leveling with Adjustable Feet For level placing of the projector, adjust the Adjustable Feet of the projector. You may adjust the level of the projector up to 12 mm (average 3.4°) degrees. Depending on the position of the projector, Keystone distortion of image may appear. Screen Size and Projection Distance Install the projector on a flat, even surface and level the projector using the adjustable feet to realize optimal picture quality. If images are not clear, adjust them using the Zoom Knob or Focus Ring, or move the projector forward and backward. Screen size (M:inch) 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 Horizental (X:mm) 609.6 812.8 1016.0 1219.2 1422.4 1625.6 1828.8 2032.0 2235.2 2438.4 2641.6 2844.8 3048.0 3251.2 3454.4 3657.6 3860.8 4064.0 4267.2 4470.4 4673.6 4876.8 5080.0 Vertical (Y:mm) 457.2 609.6 762.0 914.4 1066.8 1219.2 1371.6 1524.0 1676.4 1828.8 1981.2 2133.6 2286.0 2438.4 2590.8 2743.2 2895.6 3048.0 3200.4 3352.8 3505.2 3657.6 3810.0 Max (Z:mm) 1300 1730 2150 2580 3010 3430 3860 4290 4710 5140 5560 5990 6420 6840 7270 7700 8120 8550 8980 9400 9830 10260 10680 Min (Z:mm) 1110 1480 1840 2210 2570 2940 3300 3670 4040 4400 4770 5130 5500 5860 6230 6600 6960 7330 7690 8060 8420 8790 9160 Offset (Y':mm) 57 76 95 114 133 152 171 191 210 229 248 267 286 305 324 343 362 381 400 419 438 457 476