K3 Noise Reduction

[hf4me]

In this situation where someone changes a setting and it may be unknown to
the owner, I was wondering if there is the capability of saving a set of
settings in file to be reinstalled to get it back to the way is was, after
field day for example or for some specific setup that was working before I
went and messed it up and don't know exactly what it was that I did to it
that that is causing the problem that I now have.

Awaiting mine,
Thanks es 73, de Jim KG0KP

----- Original Message -----
From: "charles" <[hidden email]>
To: "elecraft" <[hidden email]>
Sent: Friday, June 20, 2008 1:21 PM
Subject: Re: [Elecraft] K3 noise reduction
--- snip ----
> Someone must have switched off the AGC at the Radio Club and I hadn't
> noticed !

--- snip ----

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[Alexandr Kobranov]

 From K3 FAQ´s:

--------------

What are the band ranges in terms of AF frequency?

The bands are centered at 200, 400, 600, 800, 1200, 1600, 2400, and
3200 Hz. We can easily change these if something else turns out to
make sense.  Also note that TX EQ will be adjustable while in TX mode.
--------------

Mentioned possibilty of easy change of freq is very good message as it
can be done sometime in futute better fitted for some typical data modes.
(WSJT mentioned and surely some others)

Thanks Elecraft ;-)

73!
Lexa, ok1dst
K3/10 #727



Lyle Johnson napsal(a):

>> Surely there is need for TxEQ - for example with WSJT mode to
>> compensate different levels from souncard and possible filter
>> influence for all tones to set equal power-out.
>
> The TxEQ adjustment frequencies are set for voice operation.  They are
> the same setpoints as used in the W2IHY 8-band EQ.
>
> They are probably not in the right places to compensate for whatever
> ripple might be in the subsequent crystal filters in the Tx Path.  Also,
> such compensation would change with USB/LSB operation, and is not easily
> observable by the operator of the Tx, so might not be straightforward to
> set properly.
>
> Any mode that is designed for robust, or weak signal, HF data operation
> should have allowance for slight amplitude and phase variations, since
> that is a normal part of HF signal propagation.
>
>> I do not remember if TxEQ settings is stored via mode or not.
>
> They are not, nor are Rx EQ settings, at present.
>
> 73,
>
> Lyle KK7P
>
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