[Elecraft] Emailing: k3fw4r47.zip

[Guy Olinger K2AV]

Sooner or later running a K3 with back level firmware will be a problem.
 With so many devices coming out and the amount of work on those, you will
simply be left behind.  No company without the economies of scale like
Microsoft can maintain old code.

Some people report getting perfect copy using 4.51.  Can they please share
the AGC settings, and decoder threshold, etc that they are using.  Please
include any NB, NR, bandwidth, RF gain, etc. settings you are using.

Knowing the perverse nature of CPU coding for hardware, it's entirely
possible that the 4.47 "good menu settings" depended on an AGC bug in 4.47.
 That would mean that it's impossible to restore the settings from 4.47 in
a future 4.52.

I seem to remember a period of thrashing about when CW decode first came
out, until working popular settings emerged.

73, Guy.

On Sat, Jul 28, 2012 at 9:00 PM, Adrian <vk4tux at bigpond.com> wrote:

> See inline for comments
>
> -----Original Message-----
> From: Toby Pennington [mailto:toby423 at embarqmail.com]
> Sent: Sunday, 29 July 2012 10:42 AM
> To: Adrian
> Subject: Re: Emailing: k3fw4r47.zip
>
> I have successfully downloaded 4.47 after crashing the radio once but came
> back according to your input and 4.47 loaded in.
>
> Disconnecting the P3 before K3 power up, after a mcu ld issue is required
> and I forgot to mention that. Plug P3 supply back after the K3 firmware has
> been completed. Sounds like you were good, but I just remembered that.
>
> Now,  I am wondering what settings you have in your rig which gives you
> really good decode.  I am working on that now.  I have the AGC threshold
> set
> to 8 with the SLP set to 7.
>
> Set SLP to 0.  AGC at 8 is good.
>
> I have theTEXT DEC set to threshold of 5 and 30 to 90 wpm.
>
> Yes the 30-90wpm works the best even at slow speeds. I use a narrow filter.
> Set threshold for clean pulses on the cwt display after spotting (centre)
> the signal. Then use filter width and/or rf gain to fine tune. I get
> perfect
> results most of the time, and using this method on noisy lower bands works
> well.
> Just check the cwt is pulsing with the cw, then you are close. The fine
> tune
> is reflected in the print.
>
> I just noticed my P3 cursor will not move so have another issue  HI> Check
> for tracking mode or disable re-enable svga etc.
>
> Good Luck
>
> Adrian ... vk4tux
>
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