Yamaha MCX-CA15 Owner's Manual page 184

Editing library items on a computer (Browser Edit function)
3
In the left list, select the collection and click "Select".
The playlists in the selected collection appear in the left list.
4
In the text entry field, type the name for a new playlist and click
"Create".
A new playlist is created and appears in the left list.
14 MusicCAST Version Upgrade 2
Number of characters for
playlist names
The maximum number of
characters for a playlist name is
127. If you input more than the
maximum number, the
MusicCAST server will ignore the
characters over the maximum.
Memo
If you click "Create" without typing
a new name, a new playlist
named "Playlist" appears in the
left list.