User's Manual
TROUBLE SHOOTING GUIDE
Check the followings before requesting service:
SYMPTOM POSSIBLE CAUSE POSSIBLE SOLUTION
No power
No sound
Bluetooth 
reception failure
Hands free 
not working
The built-in battery runs 
out
Power switch is in OFF 
position
Power button on the 
unit not pressed
Recharge the battery
Move the power switch on the rear 
of the unit to ON position
Press the POWER button on 
the right side of the unit to turn 
on the unit
Volume in minimum 
position of the unit
The connected device is 
not in playback mode
Sound output of the 
connected device weak
Input source incorrect
Raise volume by pressing the 
VOL+ button
Play the music in the 
connected device
Raise the volume level of the 
connected device
Set input source as Line-in or
Bluetooth mode
Not in Bluetooth mode
Line in cable in the 
Line in jack
Set to Bluetooth mode and the 
blue indicator will turn on
Disconnect the line in cable
Not in Bluetooth mode
Set as Bluetooth mode(Hands 
free function is only available in 
Bluetooth mode)
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