Samsung PN51E490B4FXZA E-Manual page 99

IIIDown_oadab_÷ UoSo IIIRating: Parental restriction information you can use
while watching DTV channels.
[_ NOTE
® If information is not downloaded from the broadcasting station,
IIIDown_oadab_e UoSoIIIRatingmenu is deactivated.
® Parental restriction information is automatically downloaded while you
watch DTV channels. It may take several seconds.
® The IIIDown_oadab_e UoSo IIIRatingmenu is available for use after
information is downloaded from the broadcasting station. However,
depending on the information from the broadcasting station, it may
not be available for use.