Come on!!! I adjust the “pitch” to suit my hearing. The pitch of the incoming station is adjusted by the VFO! The “Spot” button will get you close to Zero-Beat. A little XIT will separate you from others who Zero-Beat him in a pile-up.
Sent from my iPhone ...nr4c. bill > On Sep 22, 2018, at 6:39 AM, Drew AF2Z <pu...@af2z.net> wrote: > > Yes, the K3 cw pitch is easy to set tailor for hearing response and > speaker/headphone response; at least easier than the K2. For my K2 I had > written down the filter calibrations for a number of different pitches so > that I could change them on the fly while operating; I recall it took less > than a minute to dial one of them in... > > But if you want to adjust the pitch to suit current band conditions, filter > width and wpm speed of the station you are trying to copy, the K3 is not easy > at all. > > Let's assume that for any combination of these variables there is some > optimum CW pitch between 300 - 800 Hz. How do you find that pitch for a > particular CW signal? There is no easy way because whenever you push the > PITCH button you can no longer hear the station your are trying to optimize. > You would have to try every pitch selection individually, 300, 310, 320, > etc., and somehow remember which was the best. Obviously, not a practical way > to dial in the optimum value. > > 73, > Drew > AF2Z > > >> On 09/21/18 22:02, Erik Basilier wrote: >> The ease of changing CW pitch in the K3 is indeed a great asset in setting >> things up for best copy, and I have found myself using it quite a few times. >> The immediate reason to change pitch has usually been a perception that with >> the existing setting, the best copy pitch does not exactly coincide with the >> CW tuning indicator (another great CW asset of the K3), or with the peak DSP >> filter response. Many times this has led me to change the pitch setting by a >> small amount, whether my general preference du jour is for a low or higher >> pitch. To make such an adjustment I like to set a wide DSP bandwidth and >> slowly tune through a received signal. The apparent loudness doesn't stay >> constant, nor does it follow a smooth variation that I attribute to my own >> hearing response. Instead I hear peaks within range of piches that would be >> reasonable for CW, that I attribute to the speaker and its surroundings. (I >> would say that since I went to the SP3, there is less of this variation, but >> no matter how good the speaker, there will always be such variations because >> objects around the speaker cause reflections. Phones will always be the >> better approach....) Rather than adjusting the pitch to some value >> considered ideal based no prior considerations, I set it for a peak in the >> accoustical response of the particular speaker and its surroundings. Then >> going back to normal DSP selectivity I generally find better agreement >> between perceived loudness and centering the received signal in the >> passband, at least until I move things around in the shack... >> 73, >> Erik K7TV >> ______________________________________________________________ >> 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 pu...@af2z.net > > ______________________________________________________________ > 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 n...@widomaker.com ______________________________________________________________ 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
