Sony KP-57WS510 - Manual (Page 68)

Using the Menus
68
Model name1[KP-46WT510] Model name2[KP-51WS510] Model name3[KP-57WS510] Model name4[KP-65WS510]
[4-094-605-11]
8
Move the joystick left or right to select the extender to be viewed, and
press .
“-” appears beside the selected extender, indicating that the programs
that match the extender can be viewed.
If you press again, is displayed to show that the programs that
match the extender will be blocked again.
9
Repeat step 8 for other extenders.
All programs that match the ratings you select and higher, except for the
extenders that were canceled, will be blocked.
10
Press MENU to exit the menu screen.