See also:

Select lever
The select lever has four positions, “P”, “R”, “N”, “D” and also has a manual gate for using the manual mode. ...

When “CHECK DISC” is displayed
Press the eject button to unload the discs. Check that the disc is not damaged or scratched, and also check that the disc is inserted correctly. This message may appear when using some CD-RW discs ...

For U.S.A.
The following information has been compiled according to Code of Federal Regulations “Title 49, Part 575”. ...