Mitsubishi NR-261 Manual page 214

Mitsubishi Multi Communication System
Deleting
Deleting One Item
User groups, original playlists, user playlists, and all tracks can
be deleted one at a time.
1
NOTE
If an original playlist or original track is deleted, the track
is also deleted simultaneously from the My Best group
and user group.
If all the original tracks are deleted, the original playlist is
also deleted automatically.
Even if a user playlist is deleted, the tracks are not deleted.
Even if all user tracks are deleted, the user playlist is not
deleted, and even if all user playlists are deleted, the user
group is not deleted.
1-214
1. Touch [ ].
E08117000013
E08117100014
2. Touch [Function Settings].