Sony KP-51HW40 Operating Instructions Manual page 61

Using the Menus
6 Make sure that"Country" is selected, and press @.
'7 Move the joystick up or down to select U.S.A. or Canada according to
the country you reside in, and press @.
6 Move the joystick down to select "Parental Lock", and press @.
9 Move the joystick up or down to select a desired rating, and press (@.
If you select Child, Youth, Young Adult or Custom, the Parental Control
is activated automatically.
If you want to select the ratings from Custom, see "Using Custom
Rating Options" on page 63.
1 0 Press MENU to exit the menu screen.
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