To unfold all your notes, do this:

1. From the Browse Notes screen, press MENU then select Unfold All [ 9].
   
   
2. Scroll up/down through the list of notes.
   
   
3. At any time, if you want to fold a note's contents, first highlight the note, then press the TRACKBALL. The contents of the note collapse, but the note is still highlighted.
   
   
4. To re-fold all your notes, press MENU and select Fold All [ 0]. All the notes' contents collapse. The note that was highlighted when you folded all the notes remains highlighted.