Adjust Listening Volume; Mute / Unmute Listening - Phonak Roger Covert System Gebrauchsanweisung

5.4 Adjust listening volume

5.5 Mute / Unmute listening

22
<1s
Each press +3dB
12
9
6
3
0
-3
-6
-9
-12
>2s
Mute Unmute