Using the phone : Getting to know your phone : Control key
Control key
In the description below, the side of the control key (up, down, right, left, middle) that you have to press in the different operating situations is marked in black, e.g. for "press right on the control key".
The control key allows you to navigate within menus and entry fields. In idle status or during an external call, it has the following functions:
When the handset is in idle status
Open the phonebook.
or
Open the main menu.
Open list of handsets.
During an external call
Open the phonebook.
Initiate an internal consultation call.
Adjust the loudspeaker volume for earpiece and handsfree mode.
Functions when pressing the centre of the control key
The key has different functions, depending on the operating situation.
*In idle status, it opens the main menu.
*In submenus, selection and entry fields, the key takes on the function of the display keys OK, Yes, Save, Select or Change.
 
These instructions demonstrate opening the main menu by pressing the right of the control key and confirming the functions by pressing the appropriate display key. However, if you prefer, you can also press the middle of the control key.