hello guys, i just to bought a second hand DBII to upgrade me old one provide topstage, I´m happy, but i don´t finish to undestand the correct functionality of the lever. because however is necessary tighten the screw. is ok. some DBII owners, can you tell me how use the combination of the lever and screw? no is posible don´t use the screw? like the betztools top stage?.
PS: sorry for my english.