The PTT lead has to be connected or it will not switch. Mike va3mw
> On Sep 11, 2016, at 5:53 AM, Herbert Schoenbohm <he...@vitelcom.net> wrote: > > Mark, With the right hand side toggle switch on the RTR-1A in the center > position the "RX active light" should illuminate. If it doesn't come on check > the required RCA connection to the TX amplifier relay cable. I use here a RCA > Y connection. > > > Herb Schoenbohm, KV4FZ > > >> On 9/11/2016 12:28 AM, Mark Lunday wrote: >> am trying to set this up for a separate receive antenna. I had it working >> with my Flex 3000 before I sold that rig. Now I am trying to use it with my >> TS-480SAT. >> >> I actually have TWO identical units. Both are exhibiting the same behavior: >> without even connecting the RCA ground plug, I cannot get the units to >> switch between receive antenna and transmit antenna using the toggle on the >> front of the unit. (I think that's how I accidentally ordered the second >> unit 6 years ago, I thought the first one had an issue after moving my >> shack, but somehow I hooked everything up and it worked fine). >> >> I can receive RF from the transmit antenna jack through the RTR-1A to the >> TS480. This is the default behavior with power off. With the power on, I >> see the same behavior for both units, and regardless of the toggle setting >> on the right hand side (RX ANT or MAIN ON). >> >> Mark Lunday, WD4ELG >> >> Greensboro, NC FM06be >> >> wd4...@arrl.net >> >> http://wd4elg.blogspot.com >> >> _________________ >> Topband Reflector Archives - http://www.contesting.com/_topband > > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband _________________ Topband Reflector Archives - http://www.contesting.com/_topband