Sure - to edit the labels on the FAV buttons, follow this procedure from page 30 of the manual:
1) Enter programming mode by pressing both MAIN and ENT for a few moments.
2) Select EDIT
3) Press FAV
4) Press the FAV button you want to edit
5) Use the numbers and the cursors keys to edit the text.
6) Press the same FAV button again to save.
7) Press MAIN twice to exit programming mode.
David
www.BlueDo.com