RD-700SX: Selecting the Internal RD-700SX USB driver
Use the following procedure to select the RD-700SX internal USB driver settings:
1. Press the EDIT button.
2. Use the CURSOR buttons to select "1. SYSTEM," and then press the flashing ENTER button.
3. Use the CURSOR buttons to switch menus and select "USB Driver."
4. Press INC/DEC buttons to select a USB setting.
5. Press the "F1 / TONE INFO" button to display "Are you sure?"
6. Press the flashing ENTER button to briefly display "Writing..."
7. Turn off the power to the RD-700SX, then turn it on again.