Dear Don, thank you very much for your reply. I wanted to be sure of not having to "reinvent the wheel". Best regards Enzo, iw7dmh -- View this message in context: http://elecraft.365791.n2.nabble.com/KIO2-commands-for-KDSP2-filter-tp7572197p7572231.html Sent from the Elecraft mailing list archive at Nabble.com.