Audiovox AVD400A Owner's Manual page 17

2) Select 'Video' by using the LEFT/RIGHT buttons, press ENTER to
enter the Video set up page.
a. Select 'TV Shape' using the UP/DOWN buttons, then press ENTER
to enter the submenu. Select the aspect ratio you desire using the
UP/DOWN buttons, then press ENTER to confirm the setting.
* 4:3/PS: When the player is connected to a normal TV, and a wide
picture is shown on the full screen.
* 4:3/LB: When the player is connected to a normal TV, and a wide
picture is shown on the screen with a black strip at both the top and
bottom of the screen.
* 16:9: When the player is connected to a wide screen TV, a wide
picture is shown on the full screen.
'Video' Display
'TV Shape' Display
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