Sennheiser Presence Instruction Manual page 11

Product overview
+
10 | Presence
Volume buttons
Button Duration Function
Press one of During an active call:
the volume Increases/reduces the
buttons 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
Press both During an active call:
volume Mutes/unmutes the
buttons headset's microphone
Press and No active call:
hold both Toogles between the first
1 s
volume and the second connected
buttons Bluetooth device.
Voice prompt: "Phone one/
two/dongle primary device"
Press and In idle mode (no active call
hold both or music reproduction):
2s
volume Reverses the function of the
buttons Volume +/– buttons
Press and In idle mode (no active call
hold both or music reproduction):
6s
volume
Disables/enables the voice
buttons
prompts – voice prompt:
"Voice on" or "Voice off"
Page Beep(s)
18 –
21 –
–
18
–