Use the following procedure to reset the HD-3 back to its factory defaults:
1. While holding the VARIATION button, press the 10 SFX button - VARIATION begins flashing .
2. Release VARIATION and 10 SFX, and then press the up arrow button twice.
1. While holding the VARIATION button, press the 10 SFX button - VARIATION begins flashing .
2. Release VARIATION and 10 SFX, and then press the up arrow button twice.