We always recommend backing your data at regular intervals. Here is the procedure to back up your settings on the Jupiter-50 to a USB memory key:
1. Connect a USB memory key to the USB MEMORY connector on the front panel.
2. Press MENU.
3. Press F4 (UTILITY).
4. CURSOR to "Backup" and press ENTER.
5. Press F5 (OK). Your internal settings will be backed up to the USB memory stick.