You need to first format a HIGH-SPEED CD-RW disk. Suggest to use TDK, SONY, FUJI, MAXELL or Mitisubish. Do not use MEMOREX.
Formatting disk to record audion tracks:
1-Place HIGH-SPEED CD-RW disk in tray.
2-Press the UTILITY button.
3-Cursor to DISK & press Enter.
4-Cursor to Format & press Enter.
5-Cursor to Go and press Enter.
6-When the formatting is complete, you will be able to ARM the audio tracks for recording and SAVE you Sample Pad data & sequence.