How to change display settings — aspect ratio
1.
Press Home.
2.
Scroll to Settings.
3.
Scroll to Display & Sound, then press Select.
4.
Scroll to Picture Settings, then press Select.
5.
Scroll to the desired source (E.g., Aerial), then press Select.
6.
Scroll to Picture Format, then press Select.
7.
Scroll to the desired display setting (E.g., 4:3), then press Select.
8.
Press Live TV to exit.