Jeff - Sounds overly complex to me. Why not just plug the CM500 into the K3 and wire a small momentary switch to the PTT in jack?
73, Mike NF4L On 8/12/2011 9:25 PM, Jeff Hall wrote: > I've found that using VOX outdoors is problematic due to background noise, so > I'd like to wire up a finger PTT switch that works with my K3 and Yamaha > CM-500 headset. I have an existing finger PTT switch that was designed for > use with a Yaesu FT-11R HT. There are 3 stereo plugs wired to the finger > PTT switch apparatus: > > - MIC IN (3.5mm male stereo plug) > - MIC OUT (2.5mm male stereo plug) > - EAR IN (3.5mm stereo plug) (this normally plugs directly into the HT's > EAR OUT jack) > > When this is all hooked up to the HT, pressing the finger switch puts the > radio into transmit mode, just as if you pressed the TX button on the HT > directly. > > I'm wondering if I can use this switch, along with some adapters to get > things working with my K3 and Yamaha CM-500's boom mic: > > 1. Couple the CM-500's MIC OUT plug to the switch's MIC IN plug using a 3.5mm > female to 3.5mm female stereo adapter coupler > 2. Connect the switch's MIC OUT to the K3's rear MIC IN (or my Microkeyer > II's ext. MIC IN) using a 2.5mm female to 3.5mm male adapter > 3. Plug the Yamaha CM-500's EAR IN plug into the K3's phone jack > > I don't have anything to plug into the K3's PTT IN jack and I'm not sure this > is even needed. Maybe all I need to do is continue to use the K3 in VOX > mode, but now the MIC will only activate when I close the switch AND talk > into the microphone? > > Thought I'd ask before running out and buying those adapters... > > 73 de Jeff, W6UX > ______________________________________________________________ > 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
