Meridian 586 User Manual page 34

The COUNTRY menu appears:
Press < or > to select the country whose standards were
used to rate the DVD video disc, then press ENTER.
30
The following menu appears:
Press A or V to select the parental lock level, then press
ENTER to return to the SET UP MENU.
DVD video discs rated higher than the level you select will not be
playable unless you cancel the parental lock.
Level 3 is equivalent to the USA movie rating PG.
Press SET UP to exit from the SET UP MENU.