If you have a USB cable you can connect the E-80 to your computer and then put all your old User Programs into the folder called "Put New User Programs Here" in the internal solid state disk (corresponding to the E-80 internal memory). Once you are done, you have to press "disconnect" on the touch screen and then the "User Programs" button (on the right of the display) and select "Internal Memory". The E-80 should display a message saying "Recovering database..." and start working (maybe for 20 or 30 minutes, so don't worry...) If everything goes well, the new User Programs will be transferred inside the "User Programs" folder and registered within the new database; this way they will be available to you again.
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Korg Kronos 61 and PA3X-Pro76, Roland G-70, BK7-m and Integra 7, Casio PX-5S, Fender Stratocaster with Fralin pickups, Fender Stratocaster with Kinman pickups, vintage Gibson SG standard.