You can change the keys shown in the Keyboard panel; for example, to show a higher/lower pitch range, or fewer, wider keys.
Prerequisite
The lower zone is shown.
Keyboard is selected in the lower zone toolbar.
Procedure
Below the Keyboard panel toolbar, click and drag the keyboard range selectors to the right/left.
For example, moving both selectors to the right results in a higher pitch range, while moving the bottom range selector to the right and the top selector to the left results in a narrower range of keys.
is selected in the lower zone toolbar.