K3 beta-test firmware revision 3.77 (with DSP rev. 2.53) is now
available.
This revision corrects a possible frequency offset between the main
and sub receivers in diversity mode. With earlier firmware, a small
offset can sometimes be introduced if you adjust the VFO A frequency
or RIT offset while transmitting.
See release notes below for details on other changes.
Please send any questions to
[hidden email]. For instructions
on how to load beta firmware, see:
http://www.elecraft.com/K3/k3_software.htm73,
Wayne
N6KR
* * *
MCU 3.77 / DSP 2.53, 2-27-2010
* DIVERSITY MODE MAIN/SUB RECEIVER OFFSET FIXED:
In some cases a small frequency offset between the main and
sub receiver could be introduced due to transmitting while
moving VFO A or the RIT offset.
* SUB RECEIVER BAND-PASS FILTER SWITCHING FIXED:
If the main and sub receivers were configured for independent
band selection (CONFIG:VFO IND = YES), switching the main
receiver to any of 17-10 m may have caused an incorrect
band-pass filter to be selected for the sub receiver.
* SYNTHESIZER TABLES UPDATED: Reduces the
DDS tuning range slightly to minimize group delay through the
DDS crystal filter. (These tables are located in the
“HFPF0108” file, part of the firmware download package. It will
be loaded automatically if you check "send all files to K3".)
* AFX “BIN” MODE FIX: Stability improvement for the “BIN”
audio effect (selected by MAIN:AFX). Previously, a loud audio
artifact could occur under certain receive-signal circumstances.
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