Samsung PN51E6500EFXZA - Manual (Page 63)

16:9 mode most of the time.
16:9 : Sets the picture to the 16:9 wide
screen format.
Zoom1 : Provides moderate
magnification of the picture. Sides, top,
and bottom are cut off.
Zoom2 : Provides larger magnification
of the picture. Sides, top, and bottom
are cut off.
Wide Fit : Enlarges the aspect ratio of
the picture so it fits the entire screen.