[Elecraft] K3 Firmware rev. 4.39/S-meter Light?

[juergen]

--- On Wed, 7/6/11, Wayne Burdick <n6kr at elecraft.com> wrote:

> From: Wayne Burdick <n6kr at elecraft.com>
> Subject: [Elecraft] K3 Firmware rev. 4.39: New main/sub AF mixer settings, high-res. S-meter read command, etc.
> To: "Elecraft Reflector" <elecraft at mailman.qth.net>, elecraft_k3 at yahoogroups.com, elecraft at yahoogroups.com
> Date: Wednesday, July 6, 2011, 8:55 AM
> K3 beta-test firmware revision 4.39
> (with DSP rev. 2.73) is now  
> available. See detailed release notes below.
> 
> Please send any questions to k3support at elecraft.com.
> For instructions  
> on how to load beta firmware, see:
> 
>       http://www.elecraft.com/K3/k3_software.htm
> 
> 73,
> Wayne
> N6KR
> 
> * * *
> 
> MCU 4.39 / DSP 2.73  July 6, 2011
> 
> * NEW AF MIXER COMBINATIONS (CONFIG:L-MIX-R): Added AB A, B
> BA, B B, B  
> A, A A. These may be useful for “SO2V” operation and
> various DX/ 
> contest scenarios. ("A" refers to the main receiver, "B" to
> the sub.)
> 
> * KAT3 IMPROVEMENTS: T/R timing and power thresholds
> changed to  
> improve SWR measurement sensitivity.
> 
> * P3 and PC NOTIFIED ON RX ANT CHANGE: Switching RX ANT
> on/off now  
> informs the P3 and a connected PC of possible changes to
> the preamp  
> and attenuator settings. These are stored separately for
> the RX ANT on  
> and off cases.
> 
> * ADDED "SMH" COMMAND (high-resolution S-meter): This is
> presently  
> experimental; it is intended to work with W8WWV's
> “S-meter Lite”  
> program. "SMH;" responds with "SMHxxx;" where xxx is
> approx. 005 @  
> S-1, 040 @ S-9, and 100 @ S9+60. Resolution is
> approximately 1 dB.  
> NOTE: The value returned will probably be adjusted
> after  
> testing.“BG” (BAR GRAPH) REMOTE CONTROL COMMAND: Added
> 'R' or 'T' at  
> end of this command to indicate RX (S units) or TX
> (watts).
> 
> 
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