[Elecraft] K3 FIRMWARE UPDATE: MCU 1.87, DSP 1.69 (Finally!)

[AI1V]

Ditto here.  While it wasn't "perfect" before, the new version often
over-shoots the frequency.  It appears considerably less damped than before
and often quits before things settle down.  I personally prefer the old
version.

Rick
AI1V
K3 728


Harrison Hooker wrote:
> 
> Hello,
> 
> I also confirm that the auto-spot is broken.  My CW pitch is set at 600 Hz
> (only note tested) and it now takes several attempts to get it to set near
> 600 Hz.  The old version worked very well for me.
> 
> 73, Harry  W8YMO
> -----------------------------------
> 
>> -----Original Message-----
>> From: elecraft-bounces at mailman.qth.net [mailto:elecraft-
>> bounces at mailman.qth.net] On Behalf Of Bob Cunnings
>> Sent: Sunday, May 04, 2008 7:17 PM
>> To: Elecraft Reflector
>> Subject: Re: [Elecraft] K3 FIRMWARE UPDATE: MCU 1.87, DSP 1.69
>> (Finally!)
>> 
>> I agree that auto-spot doesn't seem as reliable as in earlier
>> versions. When I inject a continuous tone,  it works fine, always
>> coming within a few Hz. For actual cw signals it now seems to be more
>> easily fooled, often tuning low - noticeably different to me, one who
>> uses the feature constantly. In previous versions I rarely needed to
>> press spot more than once, and repeated invocation of auto-spot
>> resulted in little change of frequency (a few Hz or so if the signal
>> was stable). Now, once tuned in, repeated pressing of spot often
>> results in the frequency jumping around some tens of Hz, rather than
>> the more repeatable performance in earlier versions.
>> 
>> I noticed it right away when operating cw today.
>> 
>> Bob NW8L
>> 
>> On Sun, May 4, 2008 at 4:49 PM, Joe Subich, W4TV <lists at microham-
>> usa.com> wrote:
>> >
>> >
>> >  > >>    * AUTO-SPOT (SPOT with CWT ON) now works with both very
>> >  > >> weak and very strong signals.
>> >  > >
>> >  > > Auto-spot consistently tunes to a tone 50 Hz low (50 Hz below
>> >  > > the value set for pitch).
>> >  >
>> >  > I can't duplicate this. I tried various sidetone pitches and
>> >  > found that auto-spot got to within a few Hz every time. What
>> >  > sidetone pitch are you using? I suppose some kind of band noise
>> >  > could interfere with the operation of CWT as well.
>> >
>> >  I first noticed it with a CW pitch of 600 Hz.  The auto spot will
>> >  eventually "zero in" after three or four tries but my ear is more
>> >  accurate than the auto-spot.  It may be band noise or simply timing
>> >  out between CW characters because it is always accurate with a
>> >  continuous tone (e.g. XG-2).
>> >
>> >
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> 
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