That is the way my old TS-570 is but my K3 has only 1 ptt line, but if I am not mistaken in digital modes the mic is muted. I am not sure of that since I hardly ever have a mic plugged in, but I think that is what I read in the book.
Jim Rhodes K0XU On Fri, Sep 20, 2019, 09:05 Andy Durbin <[email protected]> wrote: > "I need to be able to switch from digital (M110A) to voice on a moments > notice so can not use the digital modes. The mike is hot while > transmitting digital. Most mikes leave the mike element hot. The PTT is a > SPST switch. This means that you have to be careful not to have any noise > in the shack while transmitting digital. If there is a way on the K3, > service was not able to point it out." > > It would be very surprising to me if K3 and K4 had such a limitation. > This situation is handled perfectly in the Kenwood TS-590 by using 2 > distinct keying commands. Front panel PTT is equivalent to CAT TX0; and > takes modulation from the front panel mic jack. TX1; and the equivalent > ACC hardware PTT, take modulation from the USB Audio CODEC or ACC analog > audio input leaving the mic muted. > > Switching between front mic and digital is simply accomplished by > asserting the appropriate PTT line or CAT command. The digital mode > application asserts TX1; Keying mode cannot be changed while transmitting > so first keying command wins until TX stops. > > 73, > Andy, k3wyc > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
