Samsung PL64E8000GFXZP - Manual (Page 306)

you can also lock or unlock
the application in the Detailed
Information screen.
Configuring the Smart Hub with Settings
The Settings menu gives you access
to Account Manager , Service Manager ,
Reset , and About Smart Hub functions.
To access the Settings menu, and then
select a menu item, follow these steps:
1. Open the
Tools menu using your
remote.