Samsung UN46ES7500F E-Manual page 245

To use the Lock function, follow these steps:
1. Select an application, and then open the
Tools
2. Select Lock. The Security window
appears.
3. Enter your password using your remote.
If you do not changed a password, enter
"0-0-0-0".
4. A confirming message screen appears.
A lock symbol appears left to the
application.
Unlock
●
menu using your remote.