Don, As always, thank you for that detailed information. I do have a set of 2.04r firmware to install as I go through my A-to-B mod list. Best regards, Mike M. KU4QO
On Fri, Nov 3, 2017 at 9:39 AM, Don Wilhelm <[email protected]> wrote: > Mike, > > Order the SMT1B - PIN diode on carrier board p/n E120014 from Elecraft and > mount it as shown on page 60 of the latest K2 manual. > Note that you also will need to have MCU firmware at 2.04. If yours is > lower than that, also order FWK2MCIO. > The current firmware is 2.04r, and if you are dealing with a K2 below SN > 3000 and have not done the sidetone source change as indicated in the > KPA100 or KIO2 instructions, you must add it to use 2.04r because the > sidetone source is locked at U8-4. That is the only difference between > 2.04P and 2.04r. > > The rest of the components on the Control Board can be mounted as > indicated in the Keying Waveshape Mod documentation. If you do not have > that document, send me an off-list email and I can send it to you. > > I have been installing that mod on all the K2s that I upgrade. > > 73, > Don W3FPR > > > On 11/3/2017 8:56 AM, Mike Maiorana wrote: > >> I'd like to update my K2 (SN 336) with the keying mod to reduce CW >> bandwidth. The doc from Elecraft specifies a PIN diode that is obsolete >> and >> no longer available (5082-3081). >> >> ______________________________________________________________ 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 Message delivered to [email protected]
