If you leave it plugged-in, how long do the motors run for?

You can change the display language by following these steps:
1. Press any of the arrow keys
2. Scroll down and select EXTRAS
3. Scroll up and select SPRACHE
4. Select ENGLISH
5. Confirm language in the next screen by selecting JA

Once the language is changed, you can go into the settings for each pump head and remove any existing dosing schedules.