Miele HR1124 Operating Instructions Manual page 102

Clock / Timer
Setting
 
Display
brightness
 
Lighting
 
Temperature
regulation
 
Demo Mode
* Factory default
42
Status
  to Different levels of brightness can be selected for the
display.
 ,
 *
 : Minimum brightness
 : Maximum brightness
The oven interior lighting is on for 15 seconds and then
 *
turns off automatically.
  The oven interior lighting is permanently turned on.
The temperature can be modified so that it is slightly

higher or lower than shown.
 to 
The higher the level, the higher the cooking
temperature.
Select   and press OK for approx. 4 seconds. When 
 *
   appears in the display the demo mode is
deactivated.
  Select   and press OK for approx. 4 seconds. When
 appears in the display the demo mode is active.
The oven can be operated, but the oven heating does
not work. For personal use you do not need this setting.