Canon EOS R50 Mirrorless Camera (White) - Manual (Page 702)

Note
You can also switch between viewfinder and screen display by pressing a button
you have customized by assigning to switching. With this setting set to [
AUTO1 ] or
[ AUTO2 ], the camera responds to the viewfinder sensor accordingly.
With [ AUTO1 ] set, the camera does not respond to the viewfinder sensor when the
screen is open.
702