Samsung PN51E8000 E-Manual page 61

USB device connected
you_
before
you
(when the
V): Select Ai,_ or Csbi_:.
is set to
(when the is set to _,):
Select the desired channel.
/ (when the is set
to L:SB): Select a folder in the USB
device containing music or photo files
you want played when the TV turns on