2. Find the function key or MENU key on the soymilk machine, usually there will be an arrow or menu on this key.
3. Press the function key or menu key to enter the setting menu of the soymilk machine.
4. In the setting menu, find the options related to the memory function.
5. Select the memory function option, and then follow the instructions on the soymilk machine, for example, press the start key or confirm key.