BenQ MX822ST Projector User Manual


 
Positioning your projector 19
Projection dimensions
Refer to "Dimensions" on page 97 for the center of lens dimensions of this projector
before calculating the appropriate position.
MX766
MW767
For example, If you are using the MX766 and a 150-inch screen, the projection distance is
7.14 m and with a vertical offset of 34.3 m.
If you are using the MX766 and your measured projection distance is 4.0 m (4000 mm), the
closest match in the "Distance from screen (m)" column is 3.79 m. Looking across this row
showsthat a 80'' (about 2.0 m) screen is required.
Screen size Distance from screen (m) Vertical offset
(cm)
Diagonal W
(cm)
H
(cm)
Min length
Average
Max length
Inch cm (max. zoom) (min. zoom)
30 76 61 46 1.09 1.39 1.69 6.9
40 102 81 61 1.47 1.87 2.27 9.1
60 152 122 91 2.23 2.83 3.43 13.7
80 203 163 122 2.99 3.79 4.58 18.3
100 254 203 152 3.74 4.74 5.74 22.9
120 305 244 183 4.50 5.70 6.90 27.4
150 381 305 229 5.64 7.14 8.64 34.3
200 508 406 305 7.54 9.54 11.53 45.7
250 635 508 381 9.44 11.94 14.43 57.2
300 762 610 457 11.34 14.33 17.32 68.6
Screen size Distance from screen (m) Vertical offset
(cm)
Diagonal W
(cm)
H
(cm)
Min length
Average
Max length
Inch cm (max. zoom) (min. zoom)
40 102 86 54 1.24 1.58 1.92 6.7
60 152 129 81 1.88 2.39 2.89 10.1
80 203 172 108 2.52 3.20 3.87 13.5
100 254 215 135 3.16 4.01 4.85 16.8
150 381 323 202 4.77 6.03 7.29 25.2
200 508 431 269 6.38 8.06 9.74 33.7
250 635 538 337 7.98 10.08 12.18 42.1
300 762 646 404 9.59 12.11 14.63 50.5
Maximum zoom
Minimum zoom
Projection distance
Center of lens
Screen
Vertical offset