>That part I might be missing is "Per Division". I'm not 100% sure what each division is. I have no book on > this one....it's learn as you play :) The divisions are marked are by the horizontal and vertical lines on the screen. >The 10x mode is confusing....it samples the same....so is the signal any different? Just closer right? The 'scope does not sample. It is an analog device that works by using the input voltage to deflect the electron beam directly. The 10x mode simply means that the horizontal sweep is stretched out 10 times as wide, making everything 10 times wider on the screen. Bob Ammerman RAm Systems -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads