In a message dated 5/12/2004 6:31:00 PM Eastern Daylight Time, gionpeters at comcast.net writes: >Did you check the fuses on each unit ? Hi, Another lister turned me on to a webcite that explained how to replace the "F1" fuse, which might be the source of my problems with the "white screen" 2400c I have: >> http://home.socal.rr.com/midijab/ NOW the only thing I need to do is undestand how one checks fuses! What is "Continuity Checking," and how is it done? Once I FIND what the problem is, an associate of mine (who does all of my solderin') can do what I ask him to do, and probably fix it. Thanks for the help, eveyone! Craig W. Atlanta, GA Power corrupts. Absolute power's a blast. - John Fund