Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 783)

3.
Select [Sel.Image].
For options other than [ Sel.Image ], see Selecting multiple images .
4.
Select the image to transfer.
Use the < > dial to select an image to transfer, then press the < >
button.
Use the < > dial to add a checkmark [ ] in the upper left of the
screen, then press the < > button.
For three-image display, turn the < > dial counterclockwise. To
return to single-image display, turn the < > dial clockwise.
To select other images to transfer, repeat step 4.
After image selection, press the < > button.
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