GN Netcom GN9020-D Headphones User Manual


 
Adjusting the Receive Volume
24 To increase or decrease the
volume, press the upper (+)
or lower (-) part of the
oval volume control on
the headset. When the
volume reaches maximum
or minimum, you will hear
a beep in your headset.
Muting the Microphone
25 To talk without the other
party hearing you, press
the mute button on the
headset. When the
microphone is muted,
you will hear a beep
every 3 seconds. When
the mute function is on,
you can still hear the
other party.
Recharging the Battery
26 To ensure optimum
battery life, when not
in use, place the headset
in the base station with
the headset/handset
selector in the handset
position. The battery
charging indicator
illuminates during
recharging. It takes 3
hours to fully charge
the battery. When fully
charged, the indicator
flashes. If battery
power gets too low,
you will hear a beep
in your headset every
20 seconds.