Samsung UN50ES6100 E-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.