Pin 3 on the DB-9 Flexwire I/O connector on the back. Pin 1 or 5 is ground.
Mark, KD0QYN ________________________________ From: Ken Bird <w8...@insight.rr.com> To: flexradio@flex-radio.biz Sent: Thursday, September 26, 2013 8:03 PM Subject: [Flexradio] 1500 How do I key an external amplifier from a 1500? Ken Bird, W8SMK _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/ _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/