InFocus IN1503 - Manual (Page 23)

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Using the audio
Using the projector’s speakers
When using the HDMI connector, both audio and video are sent over the cable to
the projector and audio will play from the projector's speakers.
For inputs other than HDMI, connect the audio source to the Audio In connector to
hear audio through the projector's speakers.
To adjust the volume, press the Volume buttons on the keypad or remote.
Troubleshooting Audio
If you aren’t hearing the audio, check the following:
• Make sure the audio cable is connected to the Audio In connector on the
projector, and that the other end of the cable is connected to an “audio out”
connector on the source (not a “line-in” or “microphone” connector).
• Make sure the volume is turned up enough. Press the Volume button on the
keypad or remote.
• Make sure the correct source is active.
• Adjust the audio source.
• If playing a video, make sure the playback has not been paused.
connect audio cable
adjust volume