Changes

;20. Instrument: Select instrument to tune.

;20. Instrument: Select instrument to tune.

;21. Note entry: Select a note for tuning.

;21. Note entry: Select a note for tuning. (When an Instrument is selected, the notes are restricted to the open notes of that instrument; when no instrument is selected, any of the 88 notes on a piano can be selected.)

;22. Frequency entry: The frequency of the target note is displayed. (The user can also enter a frequency to target.)

;22. Frequency entry: The frequency of the target note is displayed. (The user can also enter a frequency to target.)