On the Staff page of the Score Settings dialog

Procedure

  1. Make the desired staff active, open the Score Settings dialog and select the Staff page.

    Figure: The Clef/Key section on the Staff page

  2. Use the right scrollbar in the Clef/Key section to select the desired key.
  3. Click Apply.
    Note

    You can select other staves in the score and make settings for these, without having to close the Score Settings dialog.