Epson PowerLite 7300 User Manual page 29

1. If you will be viewing the video on your computer monitor as well
as the projector screen, disconnect the monitor cable from the
video port on the back of your computer. Then connect the
monitor cable to the projector's Computer Out port, as shown
below. (This is useful when you need to view the video output but
the projection screen is behind you.)
2. Connect one end of the projector video cable to the projector's
Computer 1 port. (Use the Computer 2 port if you are
connecting a second computer.)
Connecting to a Computer
21