Help > Using the Phone > Basic Knowledge > Display > Function keys
Function keys
Touch function keys
The configured touch function keys are displayed on the top right of the display.
Press these keys to perform configured functions.
Use the up/down arrow keys or gesture control to scroll through the list, which contains several items.
*Details about the settings are in Function keys
*Details about the settings are in Edit function keys
Key extension module COMfortel® D-XT20/D-XT20i
The number of programmable function keys on the device can be extended by adding up to three COMfortel D-XT20/D-XT20i key extension modules (not included in the scope of delivery). Modules are attached to the right-hand side of the phone.
Selecting a key level on the key extension module
Change between key levels by pressing the control rocker.
You can see the current key level on the horizontal scroll bar at the top and bottom edge of the display.
The display content changes according to the selected key level.