> called a synchroscope displays the phase relationship between the grid an= d > the generator. The 'scope looks something like a clock with a single hand= .. Is this a mechanical device. How does it use the two generator sources to drive such a scope. I guess a CRO on XY may be useful but what you describe does not appear to be a CRO. > The upshot: The customer insisted that we remove the semi-automatic sync > capability from the software. > Nothing like a well executed demonstration to get the point across. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .