F1 - help (same as ? Enter)
F2 - search (same as ? ? Enter)
F3 - insert (same as I Enter)
F4 - amend, or all (same as A Enter)
F5 - update (same as U Enter)
F6 - delete (same as D Enter)
F7 - quit; also Esc (same as ^ Enter)
F8 - print (same as P Enter)
F9 - next or no; also Page Down (same as N Enter)
F10 - matter or select (same as Z Enter)
F12 - yes (same as Y Enter)