Nice reply, Joe. I kinda figured that. Fortunately it’s not a deal breaker for me.
Thanks, Mike NJ2OM > On Jul 5, 2020, at 1:06 PM, Joe Subich, W4TV <[email protected]> wrote: > > > >>> Best to ask MFJ how they detect TUNE mode in the K2, and once you have that >>> answer, we can tell you how to construct the cable for both the PC and MFJ >>> ATU connections. > Based on the MFJ manual, the 993B is looking for specific protocol > from the *TUNER* connection of the Kenwood or Yaesu transceivers or > a contact closure out/contact closure in ("start"/Tuning") of the > Icom AH-3/AH-4 tuners. > > None of Elecraft's transceivers are compatible with those signaling > protocols. Elecraft's transceivers/tuners communicate using Elecraft's > proprietary "Aux Bus" (protocol). > > I doubt that there is any way to automate the K2/MFJ-993B interaction. > > 73, > > ... Joe, W4TV > > >> On 2020-07-05 11:41 AM, Mike Kopacki wrote: >> I plan on calling them tomorrow (Monday). >> Thanks, >> Mike NJ2OM >>>> On Jul 5, 2020, at 11:38 AM, Don Wilhelm <[email protected]> wrote: >>> >>> Mike, >>> >>> It is more complicated than that - there is no TUNE information on the >>> RS-232 lines but if the MFJ ATU has a signal to activate TUNE on the K2, >>> and I do not see any reference to a TUNE signal in the Kio2 Programmer's >>> Reference manual. >>> >>> Best to ask MFJ how they detect TUNE mode in the K2, and once you have that >>> answer, we can tell you how to construct the cable for both the PC and MFJ >>> ATU connections. >>> >>> 73, >>> Don W3FPR >>> >>>> On 7/5/2020 9:08 AM, NJMike wrote: >>>> In order to put the MFJ-993B automatic antenna tuner into TUNE mode from >>>> the >>>> radio, an interface cable is required. >>>> MFJ has cables for the major radio brands. I’m not sure if it’s even >>>> possible for the K2 since I’m already using the RS-232 port to interface >>>> with the laptop. >>>> The cable, I believe, does nothing more than initiate TUNE mode on the >>>> tuner >>>> when TUNE is initiated on the radio. >> ______________________________________________________________ >> 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]
