Sennheiser ConC 400 Series Instruction Manual page 28

Using the earbuds
28 | ConC 400
ON/OFF
L
Sound Control
100%
Relax Communication Stream
Speech
Volume
15
To adjust the Communication
▷
Open the Conversation Clear app.
▷
Select the Communication
▷
Adjust the desired value for the speech volume.
To deactivate the Communication
▷
Start music playback or activate the
R
100%
mode:
mode.
mode:
Relax mode.