Epson 5350 EN - Manual (Page 45)

Connecting to a Computer 37
3. Connect the small terminal of the Macintosh desktop adapter to
the other end of the projector video cable.
4. Disconnect the monitor cable from the video port on the back of
the Macintosh. Then connect the projector video cable (with the
Macintosh desktop adapter attached) to the video port on the
Macintosh.