http://elecraft.85.s1.nabble.com/Choice-of-CW-pitch-tp7645246p7645261.html
I had a hearing test a year, or two ago. I looked at the test results
and selected a frequency, looking for good response in both ears. I
frequency of the beat tone in the sweet spot for my ears... It also in
for CW for me... YMMV.
> When you've got a weak signal peaked in a narrow filter or APF, that's
> the time you'd like to optimize the pitch. Adjusting the VFO/RIT for a
> different pitch is not really an option at that point.
>
> You're right though, PITCH as implemented is mainly meant to pick your
> favorite tone and pretty much stick with it; not for trimming up
> individual signals like you would with AF/RF gain.
>
> 73,
> Drew
> AF2Z
>
>
>
>
> On 09/22/18 07:11, Nr4c wrote:
>> 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 <
[hidden email]> 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
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