Canon EOS R5 C VR Creator Kit with RF 5.2mm f/2.8 Dual Fisheye Lens - Manual (Page 613)

Selecting Cards for Recording/Playback
Recording Method with Two Cards Inserted
Recording/Playback Selection with Two Cards Inserted
Recording is possible when card [ ] or [ ] is in the camera (except under some
conditions). With only one card inserted, there is no need to follow these steps.
With two cards inserted, you can select the recording method and card to use for recording
and playback as follows.
Recording Method with Two Cards Inserted
1.
Select [ : Record func+card/folder sel.].
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