I use similar arrangement. I follow K3 recommendation of no ALC which is contrary to advice I received from THP. When using THP parameters I had problems. Been ALC free 1yr plus.
Howard..K2HK > From: dpsa...@tx.rr.com > To: elecraft@mailman.qth.net > Date: Fri, 28 May 2010 10:55:54 -0500 > Subject: Re: [Elecraft] ELECRAFT TO TOKYO HY-POWER 2.5 > > The THP2.5 uses a regular 15-pin D-connector, whereas the K3 uses the 15-pin > HD D-connector. Nothing special needs to be done, other than finding the > pin outs from the manuals. The THP 2.5 even has pull-up resistors so early > K3 radios will drive the band data input just fine (NOT the case with the > THP 1.5, where you need the K3 pull-up mod). If you plan on using ALC, you > do need the K3 negative-going ALC mod if you have an early K3. > > Phil - AD5X > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html