![background image](http://html.mh-extra.com/html/bt/h51/h51_quick-setup-and-user-manual_2824419015.webp)
Getting to know your headset
15
If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp
Back of headset
Vol+/Vol-
Push the volume switch on
the headset to the right or left
to adjust the headset ringer
volume while in idle mode
(page 23) or the earpiece
listening volume while on a
call (page 23).
Mute/Recall
Press to mute the microphone
during a call (page 23).
Press and hold for two seconds
to answer an incoming call
when you receive a call waiting
alert during a call (page 22).
Press to mute the ringer in
the earpiece when there is an
incoming call (page 22).
Earpiece
Battery pack
Open to replace the
battery pack.
Microphone
The microphone incorporates
noise cancelling technology for
clearer calls.
Top of headset