Miele PG 8591 - Display Appearance Settings; Adjusting Display Brightness and Contrast

Additional settings
89
Display: brightness and contrast
You can use this menu to adjust the brightness and contrast of the
display.
 Open the menu as follows:
Button 
Additional settings
Display
Display
Brightness
Contrast
- Contrast
Set the contrast.
- Brightness
Set the brightness.
 Select an option using the  and  arrow buttons.
 Confirm your selection with OK.
Brightness
BrighterDarker
Contrast
Lower Higher
Contrast and brightness are shown as a bar chart in the display.
 Use the arrow buttons  (Higher/Brighter) and  (Lower/Darker) to
set the brightness and contrast you want.
 Press OK to save the setting.