[Elecraft] K3 & P3 Beta Firmware Release: "Fixed-Tune" mode for the P3

[Mike]

I downloaded the K3 beta, and unzipped it, then pointed the K3 utility (V 1.3.10.15) 
at that folder.

The utility showed the same version of the FPF as was already loaded, and the 
checkbox was blank for that item. I clicked on "Send checked items to K3", and  it 
loaded the MCU, FPF, and DSP1.

No harm, no foul, but should it have loaded FPF 1.14 over FPF 1.14?

73, Mike NF4L

On 1/13/2011 2:19 PM, Wayne Burdick wrote:
> K3 firmware revision 4.25 and P3 revision 00.50 are now available.
>
> The P3 firmware provides a major new feature: fixed-tune mode. In this
> mode, frequencies on the P3 display remain fixed, while the VFO A
> cursor moves across the screen as you tune. Fixed-tune frequency
> ranges are stored per-band. You can set up the P3 to automatically re-
> set its center frequency whenever the VFO is tuned off-screen
> according to one of four auto-adjust modes. K3 firmware revision 4.25
> or later is required.
>
> Other new P3 features include:
>
>    * an option to display signal level in S-units instead of dBm
>    * optional solid vs. dotted amplitude graticule lines
>    * additional transverter support
>    * an option to enable or disable the CENTER key in tracking mode
>    * better preamplifier relay control
>
> 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
>
> * * *
> P3 REV. 00.50 RELEASE NOTES
>
> * FIXED TUNING MODE: A new fixed-tuning mode keeps the P3 frequency
> display constant. Instead of the display tracking the K3 VFO A, the
> display frequencies stay fixed and the VFO A cursor moves across the
> screen as the VFO is tuned. Requires K3 firmware version 4.25 or later.
>
> * DISABLE CENTER FUNCTION: Added MENU:CenterEn option to disable the
> CENTER function in tracking mode. Disabled is the default. The CENTER
> key still works to re-center the display on the VFO A frequency.
>
> * DOTTED OR SOLID GRATICULE LINES: Either dotted or solid graticule
> lines for the amplitude level may be selected via MENU:Lvl Lines.
>
> * SCALE EITHER dBm OR S-units +dB over S9: The spectrum vertical
> scale can now be either dBm or S-units plus dB over S9, as selected in
> MENU:Lvl Mode.
>
> * MENU DEFAULTS TO FW REV: At power-on, the MENU selection defaults
> to FW Rev.
>
> * MENU FUNCTION "XV Invert": Added a MENU function "XV Invert" to
> indicate whether the spectrum should be inverted or not on each
> transverter band.
>
> * FIXED PER-BAND REF LEVEL STORAGE: Fixed incorrect per-band reference
> level storage when using MENU:Span Set.
>
> * PREAMP STAYS OFF UNDER STRONG SIGNALS: The preamplifier now stays
> off when strong signals that could overload the ADC are present in the
> passband. The wrong trip level was used previously.
>
> * RELAY CLICKS LESS OFTEN: Modified the preamplifier algorithm to
> make the relay click less often.
>
>
> K3 REV. 4.25 RELEASE NOTES
>
> * P3 FIXED-TUNE MODE SUPPORT: The P3 now has a
> “fixed-tune” mode, where the displayed range remains constant
> as the VFO is turned. Requires P3 firmware rev 0.50 or later.
>
> * FIXED A/B SWITCH PROBLEM DURING BAND CHANGE:
> CW or SSB filter setups were sometimes getting changed when
> a quick memory was recalled, followed by a quick tap of A/B.
>
> * For software developers: FW$ GET and BN$ GET commands added.
>
>
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