> There are two kinds of margin testing, the kind you do in the lab (all > margins) on prototypes before going into production, and then > there's a > second kind (external or environmental margins) that you do > on a sample > of production machines. That makes 'production programming' a third kind: what you are supposed to do on *every* production item. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist