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3
Calls Operations
3.1 Incoming Call
As the headset receives an incoming call, a ringtone will be played back.
3.1.1 Answering an Incoming Call
To answer an incoming call, press the HOOK OFF key.
3.1.2 Reject an Incoming Call
It is not currently possible to reject an incoming call.
3.1.3 Ending a Call
To end an ongoing call, press the HOOK OFF key.
3.2 Volume and Muting
3.2.1 Adjusting Call Volume
It is possible to adjust the earpiece volume up or down during calls by pressing the VOL+ and VOL-
keys, respectively.
There are six volume steps. A beep is played back to indicate that the volume is adjusted. A higher
frequency beep is played back when the volume cannot be adjusted further up or down.
3.2.2 Muting the Microphone
It is possible to mute the microphone during calls be pressing the MUTE key. The microphone is
unmuted by pressing the MUTE key again.
A voice prompt announcing
͞
Mute on
͟
is played back when mute is activated. A voice prompt
announcing
͞
Mute off
͟
is played back when mute is deactivated.
