Topband: Help needed with RTR-1A

Mike va3mw va3mw at portcredit.net
Sun Sep 11 18:48:21 EDT 2016


The PTT lead has to be connected or it will not switch. 

Mike va3mw

> On Sep 11, 2016, at 5:53 AM, Herbert Schoenbohm <herbs at 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
>> 
>> wd4elg at arrl.net
>> 
>> http://wd4elg.blogspot.com
>> 
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