User Manual

Product overview
10 | Presence
V
olume buttons
or
or
Button Duration Function Page Beep(s)
Press one of
the volume
buttons
During an active call:
Increases/reduces the
speaker volume
During music reproduction:
Increases/reduces the audio
volume
In idle mode (no active call
or music reproduction):
Increases/reduces the volume
for the ring tone, the beeps
and the voice prompts
18
+
Button Duration Function Page Beep(s)
Press both
volume
buttons
During an active call:
Mutes/unmutes the
headset‘s microphone
20
Press and
hold both
volume
buttons
No active call:
Toogles between the first
and the second connected
Bluetooth device.
Voice prompt: “Phone one/
two/dongle primary device”
Press and
hold both
volume
buttons
In idle mode (no active call
or music reproduction):
Reverses the function of the
Volume +/– buttons
18
Press and
hold both
volume
buttons
In idle mode (no active call
or music reproduction):
Disables/enables the voice
prompts – voice prompt:
“Voice on” or “Voice off”
2s
6s