Choosing between 12 and 24-hour clock display

Function key 24 hour/12 hour:

-Press this function key to select either 12-hour or 24-hour clock display.
 You can identify the current display mode by the coloured marking of 12 hour or 24 hour in the function key labels. Pressing the function key changes the coloured marking. At the same time, the display mode of the time in the middle of the display changes.

To change the display mode again, press the function key 24 hour / 12 hour again.
 Setting the time