Samsung UN55ES6150 E-Manual page 191

– NC-17: No children under age 17.
– X: Adults only.
– NR: Not rated.
To block certain content, select an
entry field to lock (That is, "click it".).
For example, click the
block all X-rated movies.
The rating categories are also grouped
so that clicking one category blocks
all the categories a parent would block
along with it. For example, if you block
X lock and you