Reference Manual

167More About Playback
View other images: Rotate the main command dial or tap the e or
f icons at the bottom of the display to view the same location
in other photos at the current zoom ratio. Playback zoom is
cancelled when a movie is displayed.
Return to shooting mode: Press the shutter-release button halfway
or press the K button to exit to shooting mode.
Display the menus: Press G to view the menus.