1. Press Settings.
2. Scroll to All and press OK.
3. Scroll to Channel, then scroll Right using the Directional Buttons.
4. Scroll to Parental Controls and press OK.
5. Enter the System PIN, scroll to OK and press the OK button.
6. Make sure Locks is highlighted and press OK.
7. To put parental restrictions on a specific area scroll to Adjust on the relevant setting (E.g. Input Block) and press OK.
8. Scroll to the Input you would like to lock (E.g. HDMI1) and press OK.
9. The parental lock is indicated by a Padlock symbol.
10. To remove all Parental Controls, scroll to Restore Parental Control Defaults and press OK.
11. Scroll to OK and press OK.
12. Enter your System PIN and press OK.