BenQ MX511 DLP Projector User Manual - Page 17

Projection dimensions Refer to "Dimensions" on page 64 for the center of lens dimensions of this projector before calculating the appropriate position. Maximum zoom Minimum zoom Screen Center of lens Vertical offset Projection distance Screen size Distance from screen (mm) Diagonal W H Min length Average Max length Inch mm (mm) (mm) (max. zoom) (min. zoom) 30 762 610 457 1200 1260 1320 40 1016 813 610 1600 1680 1760 50 1270 1016 762 2000 2100 2200 60 1524 1219 914 2400 2520 2640 80 2032 1626 1219 3200 3360 3520 100 2540 2032 1524 4000 4200 4400 120 3048 2438 1829 4800 5040 5280 150 3810 3048 2286 6000 6300 6600 200 5080 4064 3048 8000 8400 8800 220 5588 4470 3353 8800 9240 9680 250 6350 5080 3810 10000 10500 11000 300 7620 6096 4572 12000 12600 13200 Vertical offset (mm) 69 91 114 137 183 229 274 343 457 503 572 686 There is 3% tolerance among these numbers due to optical component variations. BenQ recommends that if you intend to permanently install the projector, you should physically test the projection size and distance using the actual projector in situ before you permanently install it, so as to make allowance for this projector's optical characteristics. This will help you determine the exact mounting position so that it best suits your installation location. Positioning your projector 17