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4
volume.
8. Power switch
Press “ON” to turn on the power, press “OFF” to close the power
9. Signal level indicator
(
(
(
(
SIG
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)
)
)
10. Clip Indicator
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(
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CLIP
)
)
)
)
11. Protection indicator
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(
(
(
PRO
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)
)
)
12. Display screen
13. USB interface
Insert the USB drive to provide audio playback
14. Mode selector
Bluetooth or Aux
15. Play/Pause
In USB and Bluetooth mode, pause play
In Line mode, this key is to mute
16. Last song
In USB and Bluetooth mode, press this key to switch to the “last song”, long press this key to turn down the
volume
17. Next song
In USB and Bluetooth mode, press this key to switch to the “next song”, long press this key to turn up the
volume