It's ok Kyle I have used the kct-19 accessory cable to connect to both radio's and from there I had access to descriminator audio and ptt and cor and flat audio. But A good service manual would never be rejected ;-) -----Message d'origine----- From: K&R Yoksh Sent: Friday, January 20, 2012 12:23 AM To: app_rpt Subject: Re: [App_rpt-users] TK-840 service manual needed Hello Pierre, I have just been working on a similar project for my Kenwood TK860 and TK862. Perhaps my notes may be of use to you? http://www.qsl.net/k0kn/projects.html#KWTK 73. Kyle K0KN _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users