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1.
: Shor t press to turn on and turn off the speaker.
2.M.VOL+: Increase the Microphone Volume.
3.M.VOL-: Decrease the Microphone Volume.
4.ECHO+: Increase the Microphone Echo.
5.ECHO-: Decrease the Microphone Echo.
6.SOURCE: Select the input source between: Bluetooth/FM Radio/Aux Input/
USB Input/SD Input.
7.VOL+: Increase the master volume.
8.
: In USB/SD/Bluetooth mode, this button is Play/Pause; in FM mode, long
press to search and save FM channels automatically; shor t press to select the
saved channel; in recording function, press to stop the recording and return to
the current source.
9.VOL-: Decrease the master volume.
10.
: In USB/SD/Bluetooth mode , press to skip to the previous track; in FM
mode , press to search FM channel manually.
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