See also:

Folder selection
Select a folder in the same way that a folder is selected when a CD is played. Refer to “Folder selection”. ...

When there is no CD inserted
Properly insert a CD. Refer to “How to insert a CD (type A and C)”/“How to insert a CD(s) (type B)”. When a CD is loaded, the player will start playback of the CD, beginning with the first track. ...

Horn
To sound the horn, push the horn pad. ...