![Unify OpenScape 600 User Manual Download Page 19](http://html.mh-extra.com/html/unify/openscape-600/openscape-600_user-manual_842224019.webp)
19
Keys
Softkeys
Audio controls
Audio keys
Volume
Use the controls to adjust the properties of your phone, for example the volume.
Mode keys
You can switch to the relevant application using these keys.
Key
Function when key is pressed
_
Activates the function of the left display option or opens another menu. Used in the Fa-
vourites menu as a Feature key
Key
Function when key is pressed
:
/
É
Activate/deactivate the loudspeaker
.
/
Ê
Use headset
;
/
Æ
Activate/deactivate microphone (also for speakerphone mode)
Key
Function when key is pressed
@
\
Switch to Presence and back