Canon EOS R50 Mirrorless Camera (White) - Manual (Page 275)

3.
Select items to remove.
Use the < > dial or < > keys to select an item to remove, then
press the < > button.
Items shown on the Quick Control screen are labeled with a
checkmark. Items without a checkmark will be removed.
4.
Select items to add.
Use the < > dial or < > keys to select an item to add, then press
the < > button.
To change the layout, press the < > button.
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