Canon EOS R5 C User Manual page 719

Menu Display Settings
You can select [Menu display] to set the menu screen that is to appear first when you press
the < > button.
Normal display
Displays the last displayed menu screen.
Display from My Menu tab
Displays with the [
Display only My Menu tab
Restricts display to the [
] tab selected.
] tab ([ ]/[ ]/[ ]/[ ]/[ ]/[
719
] tabs are not displayed).