Thank you, Joe, Don and Chuck Jack; the mic is an MC-48 which is shown as an electret on the schematic. I shall certainly swap the plug connection from pin-5 to pin-6 and give it another go. I note that the UP and DOWN buttons give some strange effects so those need my attention too.
73 es tnx agn de David G4DMP In a recent message, "Joe Subich, W4TV" <li...@subich.com> writes > >Elecraft and Kenwood reverse the pin used for +8V that powers >the DTMF encoder. You will need to move the wire on pin 5 of >the Kenwood Foster plug to pin 6 to get the +8V from K3/K3s. >The same is true if you want to use a Kenwood desk mic with >built-in preamp or active equalizer (e.g., MC-60A, MC-80, MC-85, >etc.) with the preamp or eq. >73, ... Joe, W4TV On 2/7/2018 9:09 PM, Don Wilhelm wrote: > David, > > Are you certain the Kenwood mic is electret? Most are dynamic. Make > certain the mic plug is wired for standard Kenwood pinout for HF mics, > Some made for VHF rigs may be different. > > 73, > Don W3FPR > > On 2/7/2018 9:47 AM, David Pratt wrote: >> In an archived message Lyle KK7P said ..... >> >>> Currently, use of a DTMF-equipped microphone or generating the tones >>> with an attached device. The K3 does not generate DTMF tones,although >>> it could in a future firmware enhancement. >>> >>> 73, >>> >>> Lyle KK7P >> >> Well, in the absence of the long awaited DTMF software enhancement for >> the K3 I have at last bought myself a Kenwood microphone, fitted with >> an 8-pin plug that mates with the K3. But I have had no success in >> getting the DTMF feature to work :-( >> >> As the Kenwood mic is electret I have switched bias on with MIC SEL >> although, surprisingly, the microphone seems to work equally well with >> it switched off! >> >> Does anyone know how to get the Kenwood DTMF mic to work with the K3? >> -- + - - - - - - - - - - - - - - - - + | David M Pratt, Kippax, Leeds. | | Website: http://www.g4dmp.co.uk | + - - - - - - - - - - - - - - - - + ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com