Miele H6260BP Operating And Installation Instructions page 38

Settings
Settings overview
Setting
 
Time of day
display
 
Buzzer
volume
 
Keypad tone
 
Clock format
* Factory default
38
Status
  *
The time of day display is switched off.
The display is dark when the oven is switched off. The
time of day continues to run unseen in the background.
If you have selected status  , you have to switch the
oven on before you can use it. The same applies to
setting a minute minder time  or switching the oven
lighting  on.
The oven also switches off automatically if no settings
are selected within a certain period of time (approx.
30 minutes).
 
The time of day display is switched on
and is visible in the display.
 
The buzzer is switched off.
 –
The buzzer is switched on.
 
The volume can be altered. When you select a status,
  * you will hear the corresponding buzzer.
 
The keypad tone is switched off.
  *
The keypad tone is switched on.
 *
The time of day is shown in the 24-hour format.

The time of day is shown in the 12-hour format.
If you change the clock after 1:00 from a 12-hour clock
to a 24-hour clock you will need to update the hour
accordingly.