Epson PowerLite 7550C User Manual page 33

5. If you want to view the video on the computer monitor, connect
6. Tighten the screws on all connectors.
Connecting the projector's audio cable
1. If you will be using audio, connect one end of the audio cable
2. Connect the other end of the audio cable to the audio out port on
the computer's monitor cable to the projector's Computer Out
port. (This is especially useful when the projection screen is
behind you.)
that came with the projector to the Audio In jack on the
projector.
a sound card in the computer.
Audio In jack
audio cable
Connecting to a Computer
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