Use the following procedure to initialize the A-500S and restore the factory default settings:
1. Hold MIDI CH and PGM CHANGE, then press the SYSTEM key
2. Use the VALUE dial to select “SY6.”
3. Press ENTER 3 times.
Use the following procedure to initialize the A-500S and restore the factory default settings:
1. Hold MIDI CH and PGM CHANGE, then press the SYSTEM key
2. Use the VALUE dial to select “SY6.”
3. Press ENTER 3 times.