Samsung PL64E8000GFXZP - Manual (Page 183)

restriction information you can use
while watching DTV channels.
N If information is not downloaded
from the broadcasting station, the
Downloadable U.S. Rating menu is
deactivated.
N Parental restriction information is
automatically downloaded while you
watch DTV channels. It may take
several seconds.
N The Downloadable U.S. Rating menu