Samsung PN51E6500EFXZA - Manual (Page 9)

group is independent of the other
groups and can contain the same
channels as other groups, different
channels, or a combination of both.
N The TV displays Favorites only if
you have added favorites using Edit
Favorites in the Tools menu.
N If you highlight the name of a
favorite group on the left side of
the screen, you can change the
name of the group by pressing b