The Notation window displays the notation for the selected instrument. See Section/Chapter II. D Instrument Selection Menu for more information on selecting an instrument.
There are two important changes in Notation Mixer v.2: a larger notation window and a smoother process for revealing new lines of music.
Thanks to the new interface design, there is more screen real estate to view notation. Single staff instruments can now show 3 to 4 staves of notation, while grand staff and instruments using tab can show two staves.