Connecting to a Video Source for Sound
You can play sound through the projector's speaker system if your video source has audio output ports.
Connect the projector to the video source using an RCA audio cable.
Connect the audio cable to your video source's audio-out ports.
Connect the other end of the cable to the projector's
port or ports.
EX3240/EX5240/EX5250 Pro/EX7240 Pro/VS240/VS340/VS345
Connecting to Video Sources