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11.
: In USB/SD/Bluetooth mode, press to skip to the next track; in FM mode,
press to search FM channel manually.
12.M.PRI: When Microphone voice is detected, music level is automatically
ducked.
13.REC: Shor t press to record the microphone audio to USB or SD card; long
press to play the record content, or return to the current source when playing
the record content.
14.R-DEL: When playing the record content, press to delete the record content.
15.MUTE: Press to mute or unmute the sound in any mode.
16.TREB+: Increase the treble.
17.TREB-: Decrease the treble.
18.BASS+: Increase the bass.
19.BASS-: Decrease the bass.
20. LIGHT/PAIR: Shor t press to change the speaker light mode; long press to
enter pairing mode or disconnect existing paired Bluetooth device.
21.EQ: Select the EQ between: NORM/CLASSIC AL/POP/ROCK/JAZZ.
22.0-9: In USB/SD mode , press to select the tr ack you want; in FM mode,
press to select the channel that has been searched and saved.
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