LG 42PQ20 Owner's Manual page 61

16:9
Adjust the picture horizontally, in a linear proportion to fill the entire
screen.
Just Scan
Normally the edges of video signals are cropped 1-2%. Just Scan turns off
this cropping and shows the complete video.
Notes: If there is noise on the edges of the original signal, it will be visible
when Just Scan is activated.
J J u u s s t t S S c c a a n n operates only in DTV/CADTV/Component/HDMI-DTV/DVI-
DTV (720p/1080i/1080p) input source.
Set by program
Selects the proper picture proportion to match the source's image.
(4:3 4:3)
(16:9 16:9)
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