10. SOURCE MUTE switch
Attenuates the volume of the audio device playing through the AUX jack.
- OFF
- Voice input to a microphone does not affect the
volume of the AUX audio.
- -20dB
- Voice input to a microphone reduces the volume of AUX
audio by 20 decibels. (The microphone sound is louder
than the background music.)
- ON
- Voice input to a microphone completely mutes the AUX audio.
Note: After microphone input stops, AUX volume automatically returns to its former level in about six seconds.