Hi Guys, In this situation, the K3's VOX works FB for me.
So yes, sound in and sound out is pretty much all that's needed. 73 & Aloha, Dave, AH6TD On Jun 9, 2011, at 10:47 AM, Peter Wollan wrote: > Don, > > Ok, I looked at the reference I gave, and the information I thought > was there isn't. But it's not quite what you want, anyway. There are > three separate parts: the Mac, the K3, and the connection between. > The Mac is easy: you want to use either CocoaModem or FLDIGI, and > they are both excellent. For the K3, you need to look in the manual. > You need three signals: sound to the Mac, sound from the Mac, and > PTT. It sounds like it's going to be easier with the K3 than with the > K2, in that the K3 apparently can accept line-in input -- the K2 > needed to have the Mac sound signal brought down to microphone levels. > Can the K3 respond to line-in as input to Vox? If yes, that's your > PTT. If not, you need to either reduce the voltage, like with the K2, > and plug it in as if it's a microphone, or give up on Vox and generate > a PTT signal. If you do that, you need a somewhat fancier interface, > like the Signalink box. > > So, I guess I haven't been as helpful as I thought I could be. It > might be as easy as using two stereo cables, one for sound in and one > for sound out, but it depends on the capabilities of the K3. > > Peter W0LLN > > > On Thu, Jun 9, 2011 at 12:34 PM, Peter Wollan <[email protected]> wrote: >> Don, >> >> The CocoaModem web site has some information about connecting, as well >> as configuring the software to successfully transmit. I've used both >> CocoaModem and Fldigi, but the connection process is the same: from >> the K2 to the Mac is a simple stereo cable, headphone socket to >> headphone socket. From the Mac to the K2 requires a stereo cable to >> 8-pin microphone plug, with a couple of resisters as a voltage >> divider, soldered in the plug, to convert the line-out voltage level >> to mic level. I think the K3 is the same. >> >> Then, the levels have to be set right at both ends, the radio and the >> laptop, to have Vox trigger properly. Basically, you want to turn it >> up high enough to trigger without being too high and having >> distortion. >> >> CocoaModem: homepage.mac.com/chen/w7ay/cocoaModem/index.html, look >> under "interfacing". >> >> Peter W0LLN >> >> >> >> On Thu, Jun 9, 2011 at 12:03 PM, Don Putnick <[email protected]> >> wrote: >>> Hi all, >>> >>> I'm the proud new papa of Elecraft K3 #5495. I've been able to receive >>> PSK31 via both the rear line-out and the rear speaker jacks. The line-out >>> jack appears to be at a fixed level, which is a little low, but the rear >>> speaker jack with volume control works just fine (that's the approach I >>> used on my Yaesu FT-890). >>> >>> The problem is I can't get my MacBook to work with the VOX. I've tried the >>> rear line-in and the rear mic jacks, VOX Gain and LOW/HI MIC gain, all in >>> DATA A. Haven't tried USB mode though. And yes, the MacBook is putting out >>> a PSK31 signal. >>> >>> I'd really appreciate any helpful hints. >>> Thanks and 73, Don NA6Z >>> >>> >>> ______________________________________________________________ >>> 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 >>> >> > ______________________________________________________________ > 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 ______________________________________________________________ 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
