It depends on what else you're using with the KX3. Roaring star (Google KX3 NAP3 LP Bridge and the Roaring Star site will be near the top) has a really good tutorial about setting up the KX3 with HRD and LP Bridge. It's most likely that the KX3 is using COM3 to talk with some other software.
Basically, you want to use LP Bridge (don't use v2-it's not stable enough) to connect to the KX3. Then, set up one virtual COM port for HRD (or whatever rig control software you're using), one for your logging software (I'm using N1MM logger) and one for NaP3 (or other SDR software). Other SDR apps may use different software in place of LP Bridge. I use the combination described above and it works pretty well. When you download the LP Bridge software, there is also a fairly detailed write-up about configuring the software and interfacing the sound card to the radio and software. It will probably take a little tweaking, but it's pretty well documented. Start up and shut down is order sensitive: radio first, LP Bridge next, then the other apps in any order. Turn everything off in the reverse order. 73, Giff / K1GAH KX3 #3724 Sent from my Verizon Wireless 4G LTE Smartphone ----- Reply message ----- From: "Ron Gruner" <r...@gruner.com> To: <Elecraft@mailman.qth.net> Subject: [Elecraft] NaP3 and KX3 connection Date: Sat, Apr 20, 2013 13:28 I am trying to install NaP3 for my KX3. In the NaP3's set-up screen, I am only getting the option of "COM 6" for the I/O Port. This is not connecting to my KX3 as I believe I need COM 3 based on what I'm seeing in my computer's Device Manager. How do I enable more port options in the set-up menu so I can select COM 3? I've research this in various archives and Google and haven't seen anyone mention this issue before. I've re-booted my computer several times, have the right cable from Elecraft, etc. Also, I have set NaP3 to operate in XP compatability mode, a suggestion I found on one of the help pages I found. Any suggestions? 73, Ron Gruner K4RHG ______________________________________________________________ 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
