How to turn sources on and off
1. Press the MENU button on your remote.
2. Scroll to Settings and press OK.
3. Scroll to Sources and press OK.
4. Scroll to the source to be disabled.
5. Scroll to Disabled.
6. The source is now Disabled.
7. The source is now Disabled. Press MENU to exit.
To enable the disabled source, go back to the Source Settings, highlight the source and revert it back to Enabled.