This article walks you through the steps to return the Juno-di to state when first taken out of the box. Other words known as a "Factory Reset".
Note: When doing a factory reset any internal memory you've created will be lost when doing this procedure. Remember to backup any important data to USB memory.
1. Press the MENU button.
2. Use the up/down cursor buttons to select "UTILITY", and press the ENTER button.
3. Use the up/down cursor buttons to select "FACTORY RESET", and press the ENTER button. (Display screen will show "Factory Reset?").
4. Press the ENTER button.
5. Screen will show "Completed". Power off Juno-Di, then power back on.