Use the tabs to change mode. The locks block the temperature and the water / cup weight.
Set your roast (and the method in Filter mode): this button fills the fields with a starting point. You then adjust. Locked fields are not touched.
Set your targets and what you perceive on a 0-5 scale.
Match with your target
0 %
The locks block T° / water / cup weight. Compensation through other levers.
Diagnosis
In progress
Fill in the recipe and click Diagnose.
Comparison
Adjustment order: Grind → Ratio/Water → Temperature.