Turn off the BR-600. Turn the unit off every time you insert or remove your memory card to avoid erasing the card's data.
Insert the memory card, then turn the BR-600 on. Click the "UTILITY" button in the "RECORDER/EFFECTS/DRUMS" section.
Press the right cursor button until the arrow points to "INI" (short for "initialize") on the display screen. Press the enter button.
Press the right cursor button until the arrow points to "CARD." Press the enter button.
Press the enter button when the screen displays "INIT CARD Are you sure?" This will begin the initialization process. The screen will display "Completed!" when the memory card has been successfully formatted.