Using the audio
To play sound from the projector, connect your source to the Audio In con- nector on the projector.
To adjust the volume, use the buttons on the keypad or remote.
To mute the sound, press the Mute button.
Troubleshooting audio
If there is no sound, check the following:
•Make sure the audio cable is connected.
•Make sure mute isn’t active.
•Make sure the volume is turned up enough. Press the volume button on the keypad or remote.
•Make sure that if you are connected to Computer 1 on the back of the projector, that you are also connected to the corresponding audio in. If you are connected to Computer 2, be sure you are connected to its cor- responding audio in.
•Adjust the audio source.
•If playing a video, make sure the playback has not been paused.
Connecting external speakers
The projector can be attached to external speakers that have their own power source by plugging speaker cables into the projector’s left and right Audio Out connectors.
connect audio cable
adjust volume
computer 1 and corresponding audio
audio in
computer 1
audio in
computer in
computer in
external speakers
speaker 
cable
monitor network
computer in | serial control |
computer 2 and
computer 2 
corresponding audio
monitor network
serial control
audio out
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