Watch Winder I Have A Steinhausen 8 Watch Winder Model 514E And Need To Know The Functions Of All The Switches On The Back.?

I have a steinhausen 8 watch winder model 514E and need to know the functions of all the switches on the back.? - watch winder

The winder has three switches for each of the four roles, a series of four and a series of eight years. Any help would be very grateful, thank you.