Within this screen you can select whether to start searching for a chord or for a scale.

Use the up and down buttons on your phone to move up and down between the two possible selections.  Use the Select/OK button to select an item.

Use the left or right soft keys (depending on your phone) of your phone to click on Next.  If you selected "Chord" you will see controls that allow you to choose the chord to be shown and the instrument on which to show the chord.  If you selected "Scale" you will see controls that allow you to choose the scale to be shown and the instrument on which to show the scale.

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