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K3 Beta firmware Rev. 3.04: AGC fixed; various improvements

Posted by wayne burdick on Mar 26, 2009; 7:52pm
URL: http://elecraft.85.s1.nabble.com/K3-Beta-firmware-Rev-3-04-AGC-fixed-various-improvements-tp2540723.html

K3 beta-test firmware revision 3.04 (with DSP rev 2.11) is now
available.

The most noticeable change is that the problem with normal AGC decay
(CONFIG:AGC DCY=NOR) has been fixed; you can now use NOR or SOFT decay.
(SOFT decay is designed for use in pileups, but also improves fidelity
in voice modes.) Other changes are noted in the release notes, below.

Please send any problem reports to [hidden email]. For
instructions on how to load beta firmware, please see:

     http://www.elecraft.com/K3/k3_software.htm

We recommend that you use the latest revision of K3 Utility, which can
also be found on the K3 software page.

73,
Wayne
N6KR

* * *

MCU 3.04 / DSP 2.11  March 25, 2009

Misc. Improvements:

* DSP AGC FIXED: You can now use the original fast and slow AGC decay
setting (CONFIG:AGC DCY = NOR) if desired. In pileups or when listening
to voice signals, try setting AGC DCY to SOFT. This can reduce in-band
IMD by 15-25 dB. Also see release notes for rev 3.03/2.10 concerning
AGC HLD and overall AGC options.

* TUNING JUMPS DUE TO SPURIOUS SIGNAL REMOVAL: The use of CONFIG:SIG
RMV no longer causes frequency tuning errors in USB and CW REV modes.

* MEMORY RECALL: This now preserves all settings that should be
per-band (not per-memory), including PRE/ATTN and sub antenna
selection.

* BSET INTERACTION WITH RIT/XIT: Using BSET no longer causes an
unwanted change in RIT/XIT settings.

* FIXED FA/FB COMMANDS AND 1-HZ TUNING: Non-zero 1-Hz digits are now
preserved when FA/FB commands are received and FINE tuning is in
effect.

* ANT NAME FLASH: The antenna name is no longer flashed when A/B or REV
are used. It is still flashed on any band or antenna change.

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