Canon EOS R5 C VR Creator Kit with RF 5.2mm f/2.8 Dual Fisheye Lens - Manual (Page 332)

4.
Make the adjustment.
Default settings are indicated by a light gray [ ] icon.
To confirm the adjustment, press < >.
To return to the screen in step 1, press the < > button.
Note
To restore default parameter settings for (1) and (2) to each case, press the
<
> button in step 2, then press the < > button.
You can also register (1) and (2) parameter settings to My Menu ( ). This enables
you to adjust settings for the selected case.
To shoot with a case you have adjusted, first select the adjusted case, then shoot.
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