;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.)