How to turn sources on and off
1.
Press the Home button.
2.
Scroll to Settings.
3.
Scroll to System and press OK.
4.
Scroll to Sources and press OK.
5.
Scroll to the source to be disabled and press OK.
6.
Scroll to Disabled and press OK.
7.
To enable a source, scroll to a disabled source and press OK.
8.
Scroll to Enabled and press OK.
9. Press Exit.