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CONNT A mode: bluetooth is connected automatically.
CONNT M mode: bluetooth is connected manually.
Turning the sound off
Short press the PWR button to turn the sound off. Press it again or use the VOLUME buttons to turn the sound on.
Adjusting clock
Press and hold DISP button for more than 2 seconds to select the hour setting. Rotate the VOL/SEL knob clockwise
to set the hours; rotate the VOL/SEL knob counterclockwise to set the minutes. Press DISP again to exit the clock
setting.