http://elecraft.85.s1.nabble.com/Re-Elecraft-Digest-Vol-77-Issue-27-tp5546743p5546871.html
> Hi All,
> I assembled and installed P3 s/n 497 this week, and it all works perfectly.
> Here are a couple of suggestions for firmware upgrades that I think would
> make the P3 more functional when it's used with a K3 (in addition, of
> course, to wider span range). I understand that some of these suggestions
> may not have broad enough appeal to warrant serious consideration, and I'm
> sure some have been previously mentioned.
>
> 1. The Center Frequency adjust isn't well described in the manual.
> Currently, it's really just a fixed offset from the K3 VFO A frequency, and
> moves as the K3 is tuned. To me, once selected, the center frequency should
> stay put. This seems so obvious to me that I wonder if the current
> implementation is actually just a firmware bug?
>
> 2. The "Tap=QSY" feature is nice, but it would be more convenient if the
> the K3 actually tuned in the peak being clicked on. Thus, if the K3 was on
> USB, it would QSY to the appropriate place on the peak signal's bandpass --
> kind of an autotune, or AFC mode, analogous to that the K3 now uses for
> autotuning CW signals.
>
> 3. A "Peak Search" feature, which tuned the K3 to the biggest peak on the
> P3 display, would be useful on the 10m and 6m bands, where there is very
> often very little activity. A refinement on this concept would be a "Peak
> Search Right" and "Peak Search Left" mode. These are common features on
> spectrum analyzers.
>
> 4. Band Limit Settings on the P3, like those implemented on the IC-7700 and
> IC-7800. Here, one would specify upper and lower band frequencies (e.g.,
> L=7000 kHz and U = 7300 kHz), so that whenever the K3 was tuned to a ham
> band, the P3 would show the selected fixed frequency range as a menu option.
>
> 5. Encoder default setting: It would be helpful if a menu choice could set
> the encoder so that it defaulted to Span or Level, when no other function
> had selected it.
>
> 6. Assign unused FN1 - FN8 to K3 functions. I suspect most P3 users will
> not assign all eight FN buttons to P3 menu functions. Since the P3 and K3
> "talk" to each other via the RS232C port, how about using spare FN buttons
> to control K3 functions? In my case, I'd like to have dedicated mode buttons
> for SSB, CW, AM, etc., or possibly for band changes.
>
> 7. Color choices on the LCD. Currently, the P3 uses only white, blue and
> yellow. Assuming the display is actually capable of other colors, it would
> be nice to give operators a choice of other color combinations. (The current
> color choices are pretty, but a bit jarring next to the orange display on
> the K3!)
>
> 8. A brief explanation of spectrum analyzer terminology (since, the P3 is
> really just a spectrum analyzer) would be a nice appendix to the manual.
> For example, I suspect many users aren't familiar with the meaning of
> "resolution bandwidth," why the sweep rate changes with span width, etc.
> I'm sure a short tutorial would be appreciated by many owners.
>
> Thanks and 73,
> Jim Garland W8ZR
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