Alpha 3000F2 6 x dual-speed pushbuttons + 1 x single-speed AUX pushbutton
Alpha 3000F3 6 x triple-speed pushbuttons + 1 x single-speed AUX pushbutton
Alpha 3000D2 10 x dual-speed pushbuttons + 1 x single-speed AUX pushbutton
Alpha 3000D3 10 x triple-speed pushbuttons + 1 x single-speed AUX pushbutton