[Elecraft] [KX3] Re: New KX3 Beta Firmware, rev. 2.70: Various improvements

Tue Feb 21 15:45:58 EST 2017

Ed,

I don't know what audio card you are using, but if it has a stereo plug 
on the KX3 end of the cable, it should not turn on PTT.
If it does, I suggest you make up a special cable with stereo plugs at 
both ends, and connect only the tip and shell of the plugs.
That should eliminate your problems with PTT being activated in DATA A mode.

73,
Don W3FPR

On 2/19/2017 1:20 PM, Edouard Lafargue edouard at lafargue.name [KX3] wrote:
>
>
>   Excellent news, Wayne!
>
>   If only you could consider making the "Mic Btn" settings
> mode-dependent, my life would be complete (or thereabouts). Right now
> this is the #1 setting I need to change all the time: when using the Mic
> on SSB I have to enable "Ptt", and when switching to DATA to connect my
> audio card for digital modes I need to set it to "Off" because the audio
> card jack I use keys PTT... :)
>
> 73 de ed w6ela
>
> On Fri, Feb 17, 2017 at 6:05 PM, Wayne Burdick <n6kr at elecraft.com
> <mailto:n6kr at elecraft.com>> wrote:
>
>     Hi all,
>
>     Beta firmware rev. 2.70 is now available on our KX3 software page.
>     See release notes below for details.
>
>     For instructions on installing beta releases, refer to our KX3
>     software page. (Beta releases are not automatically recognized by
>     KX3 Utility.)
>
>     73,
>     Wayne
>     N6KR
>
>     * * *
>
>
>     MCU 2.70 / DSP 1.49, 2-17-2017
>
>     * AM TX BANDWIDTH INCREASED: The AM transmit bandwidth is now
>     approximately 100-4000 Hz (was 100-3000). TX EQ can be used to
>     further shape the passband.
>
>     * AM TX ALC IMPROVEMENTS: Fixed a bug in the AM power-control
>     algorithm that was causing power output to start too high, then
>     decrease over time when the operator is speaking. In addition, peak
>     power output is now displayed, rather than power/4 (25%). This is
>     intended to make the operator aware of the actual output from the
>     radio, which accounts for the observed current drain, stress on
>     dummy loads or antennas, etc.
>
>     * SCANNING WORKS WITH FREQUENCIES BELOW 1.0 MHz. Previously,
>     scanning would stall in this case.
>
>     For software developers:
>
>     * DT, FR, and FT HOST COMMANDS DISALLOWED IN TX MODE: Previously,
>     these commands (data submode, unsplit, and split) could be sent to
>     the K3 during transmit from software applications. This could
>     sometimes cause side effects such as muting of transmit audio in
>     DATA modes.
>
>     * RIT CLEAR SWITCH UPDATES RIT OFFSET AT PX3 PANADAPTER.
>
>     * POWER-OUTPUT CONTROL COMMAND (“PC”) FIXED: The PC command now
>     correctly handles the KX3’s power ranges (up to 12 W or 15 W
>     depending on band).
>
>     * PSK31/PSK63 SELECTION (ETC.) VIA REMOTE COMMAND: When the DATA
>     submode is being modified under remote control, a software
>     application can now select between PSK31/PSK63 using the UP/DN
>     control commands. Similarly, UPB/DNB can be used to select the
>     desired TEXT decode mode (DEC OFF, TX ONLY, RX THRn). To determine
>     the current state of any of these parameters, use the DS or DB
>     commands. Refer to the Programmer’s Reference.
>
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> Posted by: Edouard Lafargue <edouard at lafargue.name>
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