Epson EMP-7700 - XGA LCD Projector, Руководство пользователя

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Appendix C: Technical Specifications
Image Size and Projection Distance
Use the tables below to estimate how far to place the projector from
the screen. Since the size of the image can be changed by rotating the
zoom ring, a range of distance is given for each screen size.
Note that if you tilt the projector upward by extending the feet or use
electronic keystone correction, your image size may vary.
Standard Lens
Long Throw Zoom Lens (ELPAL01)
Diagonal screen size Distance
30 inches 3.6 - 4.3 feet (1.1 - 1.3 meters)
60 inches 7.2 - 9.2 feet (2.2 - 2.8 meters)
100 inches 12.1 - 15.7 feet (3.7 - 4.8 meters)
200 inches 24.3 - 31.8 feet (7.4 - 9.7 meters)
300 inches 36.7 - 47.6 feet (11.2 - 14.5 meters)
Diagonal screen size Distance
30 inches 4.46 - 5.87 feet (1.36 - 1.79 meters)
60 inches 9.35 - 12.2 feet (2.85 - 3.71 meters)
100 inches 15.8 - 20.5 feet(4.82 - 6.25 meters)
200 inches 32.1 - 41.5 feet (9.77 - 12.64 meters)
300 inches 48.3 - 62.4 feet (14.72 - 19.02 meters)
7700.book Page 104 Wednesday, November 1, 2000 6:15 PM