You can manually edit movie playback orientation information (which determines which side is up).
Select [: Change mov rotate info].
Select a movie.
Turn the dial to select a movie with orientation information to change.
Change the orientation information.
As you watch the camera and icon in the upper left of the screen, press to specify which side is up. Each press of edits the movie rotation information as follows: [] → [] → [].
Caution
Movies are played horizontally on the camera and via HDMI video output, regardless of the [: Add rotate info] setting ().
Movie orientation information of movies recorded with other cameras cannot be edited with this camera.
: 
icon in the upper left of the screen, press 
] → [
] → [
].
: 
rotate info