Miele CVA 5060 Operating Instructions Manual page 30

Setting the coffee grinder
30
To alter the grinder setting:
^ Push the slide control one setting to the left (for finer
grinding) or one setting to the right (for coarser grinding).
You should be able to feel the notches when moving the slide
control.
If the slide refuses to move:
^ Close the machine and dispense a cup of espresso coffee.
Then try the slide control again.