See also:

When CD is in the player (type A)/ When playing back all CDs in the player (type B)
When the “CD/AUX” button is pressed, the player will start playback. ...

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

How to play back
Press the button and select the “BTA” (type C audio)/“BT Audio” (type D audio) mode. ...