Canon EOS-1D X Instruction Manual page 48

3 Setting the Time Code
Movie Recording Count
You can select what to display on the movie-shooting screen.
[Rec time]
[Time code]
Shooting still photos during movie shooting will cause a discrepancy
between the actual time and time code.
Regardless of the [Movie rec count] setting, the time code will always be
recorded to the movie file.
Movie Playback Count
You can select what to display on the movie playback screen.
[Rec time]
[Time code]
With [Time code] set:
During movie shooting
If you change the setting for either [Movie play count] in [z5 (movie):
Time code] or for [x3: Movie play count], the other setting will also
change automatically.
"Frames" are not displayed during movie shooting and movie playback.
48
: Indicates the elapsed time from the start of the movie
shooting.
: Indicates the time code during movie shooting.
: Displays the recording time and playback time during
movie playback.
: Displays the time code during movie playback.
During movie playback