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Chapter 5 On board Audio
5.3.5.4 Mute Buttons:
Toggle between muting and enabling the signal. A
button with a lit LED is enabled, and when it is not lit,
it means it is mute. Several output signals can
usually be enabled at once.
5.3.6 MP3 Player
MP3 player can play both wave files and MP3 files.
MP3 player while the loop function enables.