Canon EOS R5 C VR Creator Kit with RF 5.2mm f/2.8 Dual Fisheye Lens - Manual (Page 664)

Custom Shooting Mode (C1–C3)
Automatic Update of Registered Settings
Canceling Registered Custom Shooting Modes
Current camera settings such as shooting, menu, and Custom Function settings can be
registered in Custom shooting modes [
] to [ ].
1.
Select [ : Custom shooting mode (C1-C3)].
2.
Select [Register settings].
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