Samsung SYNCMASTER 320MPN-3 - Manual (Page 117)

Sound Select
Enable the sound of either the primary or secondary display in PIP mode.
Note
Available when PIP is set to On.
1. Main
2. Sub
Speaker Select
When you use the product with it connecting to a Home Theater, turn the internal speakers
off so you can listen to sound from the Home Theater's (external) speakers.
1. Internal
Sound is outputted both from the Internal speaker and the External speakers, but the
volume control is only available from the Internal speaker.
2. External
When sound is only outputted from the External speakers, the volume control is also
only available from the External speakers.
Sound Reset
Reset the sound settings.
Setup
Available Modes
• PC / DVI / DisplayPort
Adjusting the LCD Display