Samsung PN51E6500EFXZA - Manual (Page 190)

grouped so that clicking one category
blocks all the categories a parent would
block along with it. For example, if
you click TV-G under ALL , then all the
categories associated with TV-G will be
blocked ( TV-G , TV-PG , TV-14 and TV-
MA ). The sub-ratings ( D , L , S , V ) work
similarly. So, if you block the L sub-
rating in TV-PG , then the L sub-ratings
in TV-14 and TV-MA will automatically
be blocked.