F. = Fixed

L.Fl. = Long flashing

Oc. = Occulting

Fl.(3) = Group flashing

Oc.(2) = Group occulting

Fl.(2+1) = Composite group flashing

Oc.(2+1) = Composite group occulting

Q. = Quick flashing

Iso. = Isophase

F.Fl. = Fixed und flashing

Fl. = Flashing

Al. = Alternating