Handset and loudspeaker volume

Use the volume keys. You can set different volume levels for internal and external calls and for Background Music. During a call, adjust handset listening volume in handset mode. Adjust loudspeaker volume in Monitor mode or during Background Music.

General:

Press to change the volume.

Loudspeaker volume during Group Listening

Note:

Dialog 4220 Lite only.

Replace the handset.

Press to change the volume.

Lift the handset.

Press the Loudspeaker key.