Hi Is it possible to invert the CW output in the software? I am using a USB to serial converter Or will I have to use a transistor to invert the signal? Thanks in advance. 73 Steve G4EDG -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.f5mzn.org/pipermail/support/attachments/20190211/7a43e0ed/attachment.html>