Canon EOS-1D X Mark III Advanced User's Manual page 613

3.
Select [FTP transfer].
4.
Select [Sel.Image].
5.
Select the images to transfer.
Use the <
Use the <
For three-image display, press the <
dial left. To return to single-image display, turn the <
To select other images to transfer, repeat step 5.
After image selection, press the <
> dial to select an image to transfer, then press <
> dial to add a [ ] in the upper left, then press <
613
> button and turn the <
> dial right.
> button.
>.
>.
>