Volume
up
Short press the
'+'volume
button during
the call
With voice
prompt
'
volume up'
Short press the
button to
increase the volume
step by step,until the
maximum volume
limit with the beep
indication.
——
Headset
hardware
reset
Press the
multifunction button
still and plug in the
AC charger when the
headset is turned on
The red indicator
keep lighting
When the headset is
turned on, press the
multifunction button
still and plug in the AC
charger
Volume
down
Short press
'-'
volume button
during the call
With voice
prompt
'volume
down'
Short press the
volume - button to
decrease the volume
step by step,until the
minimum volume
limit with the beep
indication
——
——
Delete
the
matching
list
Press the
and volume - button
simultaneously and
insert the charger
when the set is
power on
The matching list
will be deleted
——
——
