By default, the system sets your custom cup size to 1 oz. To change it, just follow these simple steps below:
STEP 1: Hold the “custom” icon for 3 seconds.
STEP 2: Use the “+” or “-” icons to select your desired amount.
STEP 3: Press the “custom” icon once to save your selection.
Going forward, every time you select “custom”, the system will dispense the amount you selected.