The WriteLog Manual says (p58) that most Yaesu radios support PTT commands over the radio's serial port. Is the Yaesu FT-920 one of the Yaesu radios that provide this feature? 73, Tony Heatwole, N3FX -- WWW: http://www.contesting.com/writelog Submissions: writelog@contesting.com Administrative requests: writelog-REQUEST@contesting.com Problems: owner-writelog@contesting.com