From: NAME: WILLIAM G KENYON FUNC: Chemicals/Electronics TEL: 302-652-4272 <KENYONWG AT A1 AT ESVAX> To: NAME: [log in to unmask] <"[log in to unmask]"@ESDS01@MRGATE@ESVAX> What are the problem(s) that you are having with the 600 SMD? I'm sure you'll get a response, since there are so many of these units in the field.