Samsung UN75ES9000F E-Manual page 176

– G: General audience (no restrictions).
– PG: Parental guidance suggested.
– PG-13: Parents strongly cautioned.
– R: Restricted. Children under 17
should be accompanied by an adult.
– NC-17: No children under age 17.
– X: Adults only.
– NR: Not rated.
N
To block certain content, select an
entry field to lock (That is, you "click
it".). For example, click the X lock