Auto-Rotate Pictures
G button U D playback menu
Select [ON] to display portrait (“tall”) orientation pictures in portrait orientation in the monitor or viewfinder when the camera is held in portrait orientation. When the playback display is in portrait orientation, the 1 and 3 buttons take the roles normally played by the 4 and 2 buttons, while the 4 and 2 buttons take the roles normally played by the 1 and 3 buttons.
Pictures are not rotated automatically during picture review even when [ON] is selected for [Auto-rotate pictures].