User guide
22
The unit does not operate normally.
y
Press the reset hole on the bottom 
of the unit using an object like a thin 
pin. The unit is reset (Refer to below.).
RESET
L-MONO-R
CHARGE
PORT. IN
y
In case of malfunction, use the 
unit in proper place where the 
temperature or humidity is not too 
high or low. 
The unit is turned o without voice 
notication. 
y
In PORT. IN mode, voice notication 
on the battery status is unavailable. 
When the unit is turned o suddenly 
in PORT. IN mode, recharge the 
battery.
The charging LED blinks rapidly when 
the unit is being charged.
y
Turn down the volume of the unit. 
The LED stops blinking.
Troubleshooting










