1. Prepare a roasting device capable of Bluetooth communication.
2. Open the app and you will see a frozen screen.
3. Press the START button to start operation.
4. Press the ROAST button to start roasting, and press the END button to end roasting.
5. When finished, press the back button to exit.
For details, refer to the user's manual.
When roasting green coffee beans, an app that effectively manages the condition of the roasting machine and controls the amount of calories.