AASTRA 4223 Manual Do Utilizador
105
Dialog 4223 Professional/Dialog 4225 Vision
Settings
Handset and loudspeaker volume
Use the Volume keys to adjust the volume of the handset or
loudspeaker during a call. Adjust the handset listening volume
when the handset is off hook. Adjust the loudspeaker volume when
dial tone is heard via the loudspeaker, or during a handsfree call.
ì
Press to change the volume.
The handset and loudspeaker volume level is stored.
To adjust the volume during Group Listening:
d
Replace the handset.
ì
Press to change the volume.
The handset and loudspeaker volume level is stored.
u Â
Lift the handset and press.