First, I want to say thank you Cora for noting and caring. It has been a year, life goes, the pain eases, but the best memories remain.
As for the proper use of electrodes, see the colored illustrations in the center of the book. Pay particular attention to the illustrations marked "best method" and the one marked "NO!".
Pages 22 through 27 provide a good basis for the zapping protocol and explanations of the effects of certain protocol modifications.