Nifty little design here - go to the Multimeter section (it's in English) and read up... http://www.i-adrian.home.ro/ John :-#)# PS, flippers.com is having some email troubles so you might get a bounce if you send anything - I hope not... How to subscribe or unsubscribe from TTL To do either you send email to "MajorDomo@flippers.com" and in the body you state either "Subscribe techtoolslist" or "Unsubscribe techtoolslist", note that the Subject is "" (Blank)... FTP site is: ftp://ftp.flippers.com/TTL/