InFocus C170 - Manual (Page 28)

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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 adjust the balance or turn off the projector’s chime, use the Audio menu
(see page 34).
To mute the sound, press the Mute button on the remote.
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.
• 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 a speaker cable into the projector’s Audio Out
connector.
connect audio cable
adjust volume
external speakers
speaker
cable