Guy,
Didn't you read the release notes (even quoted in Wayne's email
below)? The other change is that paddle input is disabled in
FSK-D/PSK-D if text decode is not enabled.
73,
~iain / N6ML
On Wed, Nov 14, 2012 at 9:29 AM, Guy Olinger K2AV <olin...@bellsouth.net> wrote:
> Any other improvements or just CW decode? 73, Guy
>
> On Wed, Nov 14, 2012 at 10:59 AM, wayne burdick <n...@elecraft.com> wrote:
>
>> K3 beta-test firmware revision 4.58 (with DSP rev. 2.80) is now
>> available. This release includes improved built-in CW text decode.
>>
>> Please send any questions to k3supp...@elecraft.com. For beta firmware
>> download instructions, see:
>>
>> http://www.elecraft.com/K3/k3_software.htm
>>
>> 73,
>> Wayne
>> N6KR
>>
>> * * *
>>
>> K3 MCU REV. 4.58 / DSP REV. 2.80, 11-7-2012
>>
>> * KEYER PADDLE ENABLED IN FSK-D/PSK-D MODES ONLY IF TEXT DECODE IS ON:
>> Those using FSK-D/PSK-D via with a computer requested that the paddles
>> be disabled when the K3's internal text decode is OFF so that hitting
>> the paddles accidentally doesn't interfere with PC-based transmission.
>>
>> * CW DECODE IMPROVED: The CW decode algorithm now includes its own AGC
>> system, independent of regular AGC threshold/slope/decay settings.
>> Decode of element spaces vs. word spaces adjust slightly to improve
>> rate of copy on average code samples.
>>
>> CW DECODE TIPS:
>>
>> - Use the TEXT DEC switch and VFO A to set CW decode threshold. We
>> recommend using THR 2 or 3 for most signals, and THR 1 for very weak
>> signals. These fixed settings usually work better than AUTO.
>>
>> - Also use TEXT DEC and VFO B to turn on CW decode and select the
>> speed range. The CW 5-40 WPM setting is best for all but the fastest CW.
>>
>> - Use a narrow WIDTH setting (50-250 Hz when possible)
>>
>> - If the band is noisy, interfering with copy, try turning on the
>> noise blanker (NB) first to reduce the level of impulse noise.
>>
>> - When there is no CW signal above the required threshold, you'll see
>> random characters decoded.
>>
>> - Copy will vary with sending accuracy, fading, signal level,
>> interference, and noise. But the addition of separate CW decode AGC
>> definitely helps.
>>
>>
>>
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