Samsung UN46ES7500F E-Manual page 51

16:9 mode.
4:3: Sets the picture to basic (4:3) mode.
Do not set your TV to 4:3 format for
N
a long time. The borders displayed on
the left and right, or top and bottom of
the screen may cause image retention
(screen burn) which is not covered by the
warranty.
Screen Fit: When your TV inputs HDMI (720p
/ 1080i / 1080p) or Component (1080i
/ 1080p) signals, displays the full image
without any cut-off.
Smart View
50%.
for LED TV
1: Reduces the 16:9 picture by