Epson EMP 9000 - SXGA LCD Projector Owner's Manual page 44

1. Connect one end of the computer cable to the projector's
Computer 1 port. (Use the Computer 2 port if you are
connecting a second computer.)
2. Remove the small cover on the Macintosh desktop adapter
and set its DIP switches in accordance with the resolution
you want to use (such as 16-inch mode). See your
Macintosh documentation for instructions.
3. Connect the small terminal of the Macintosh desktop
adapter to the other end of the video cable.
Connecting to a Computer 23