Picture Size (Aspect Ratio) Control - LG 42LC5DC - - 42" LCD TV Owner's Manual

PICTURE SIZE (ASPECT RATIO) CONTROL
This feature allows an analog picture with a 4:3 aspect ratio is displayed on your TV.
When you receive an analog picture with a 4:3 aspect ratio on your 16:9 TV, you
need to specify how the picture is to be displayed.
01_ RGB-PC/DVI-PC input source use 4:3 or 16:9 aspect ratio.
Press the RATIO button repeatedly to select the desired picture format.
01_ You can also adjust Aspect Ratio in the OPTION menu.
Set by program
Selects the proper picture proportion to match the source'simage.
(4:3"* 4:3) (16:9"-_ 16:9)
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4:3
Choose 4:3 when you want to view a picture with an original 4:3 aspect ratio.
16:9
Adjust the picture horizontally, in a linear proportion to fill the entire screen.
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