Nikon D780 DSLR Camera (Body Only) - Manual (Page 99)

53 Basic Photography and Playback
Viewing Movies
Movies are indicated by a 1 icon. Tap the a icon in the display
or press J to start playback (a progress bar shows your
approximate position in the movie).
1
1 icon
2 Length
3 a icon
4 Current position/total length
5 Progress bar
6 Volume
7 Guide