DPX500BT
DPX300U

9-9. About the discs used with this unit

• This unit can only play the CDs with .
• The following discs cannot be used:
  • A discs that is not round
  • A discs with coloring on the recording surface or a disc that is dirty
  • A recordable/rewritable disc that has not been finalized (For the finalization process, refer to the instruction manual that came with your disc writing software or your disc recorder.)
  • An 8 cm (3 inch) disc (An attempt to insert using an adapter can cause malfunction.)