SP-555: How Do I Format a Memory Card?
The SP-555 streams samples directly from its internal flash (Sample Banks A and B) or a *Type 1* Compact Flash card (Sample Banks C-J).
WARNING! Formatting a CF card will completely erase its contents. Proceed with caution!
1. While holding CANCEL, press REMAIN.
2. Press any one of the C/G-F/J bank buttons.
3. Press DEL. Wait for the dot in the display to stop flashing.