Samsung DIRECTV SIR-TS160 Owner's Manual page 82

Chapter 6: User profiles
To lock or unlock the system, follow these steps:
1
Press the MENU button on your remote control.
2
Highlight the PROFILES menu item, then press the OK button.
The PROFILES menu appears.
3
Highlight the Lock System or Unlock System menu item, then press the
OK button.
When the system is unlocked, the Lock
System menu item is displayed. Selecting
Lock System displays a screen where you
can lock the system.
4
Highlight the first digit in the password.
5
Use the 0 - 9 buttons on your remote control to enter a four-digit password.
Then highlight the on-screen Done button and press the OK button.
If you are locking the system, you will see a second screen asking you to
confirm your password (to make sure you entered it correctly).
When you have finished locking or unlocking the system, the Lock
System/Unlock System screen disappears, and the PROFILES menu is displayed.
6
To clear the Menu from your screen, press the EXIT button on your
remote control.
75
When the system is locked, the Unlock
System menu item is displayed. Selecting
Unlock System displays a screen where
you can unlock the system.