Samsung PN51E6500EFXZA - Manual (Page 66)

N The picture size can vary when
you play content from Videos in
AllShare Play depending on the input
resolution.
●
Position
Adjusts the picture position. Position
is only available if Picture Size is set to
Zoom1 , Zoom2 , Wide Fit , or Screen Fit .
N In DTV mode, Position is not
available when Picture Size is set to
Screen Fit .