开云体育

Thanks Hans,

Always love seeing new firmware releases. Just a note that the href link to the operating manual on the QMX page is still to the 1_00_018 PDF even though the link description says it points to the 1_00_020 PDF.

73s,
Geoff
KC8FDU

On Thu, Jul 11, 2024, at 13:17, Hans Summers wrote:
> Hi all
>
> I released firmware 1_00_020 for QMX and QMX+ which you can download at
> and there is also an updated operating manual for
> this version.
>
> Please note, this is a minor release, and I hope it will not draw too much
> criticism of what has and what has not been included; I just wanted to get
> the documentation up to date (1_00_019 was missing an operating manual) and
> clear up a few things that several people had identified as urgent or were
> very simple or I had done already in the last few weeks. The new "Test ADC
> I/Q" tool is also a useful diagnostic aid.
>
> As always: if it is not in this list, it has not been done; so no need to
> point out all the things that are wrong that are NOT in this list, if it
> has been mentioned on this forum already it means it is most likely already
> on my ToDo list. And I do know some bugs will be
> particularly bothering particular people... and aren't solved yet... and
> that will surely disappoint someone. So I have my asbestos on... But at
> least, let's tick off a few things and keep the ball rolling.
>
> And do please rest assured: SSB is the current main priority - and now
> Dayton and Friedrichshafen are out of the way, this will be my focus.
>
> *1. New Test ADC I/Q tool shows baseband I/Q samples, aiding diagnostics*
> Useful tool that shows a 750Hz sinewave cycle at baseband, and if it is
> correct, clean and shows correct 90-degree I Q phase, it verifies the
> receiver front end is working properly. If NOT, then it could give
> indications of other issues, in conjunction with other evidence; please see
> the operating manual at page 83 for a full description.
>
> *2. Add 20dB of attenuation in earphones when in Digi mode (equalize volume
> to CW)*
> Stops you being accidentally deafened if you change from CW mode to Digi by
> mistake. Surely there must be some way to calculate given a bandwidth
> difference, what the perceived volume difference would be... in the absence
> of having a sufficiently functional cerebral cortex I just found that 20dB
> sounds a lot better than nothing at all.
>
> *3. Remove the experimental "SuppressThump" setting which is now always on*
> I see no reason to not use SuppressThump, so the setting is now gone and
> the thing it did, is now always done.
>
> *4. Configure AGC defaults on factory reset (or new installation)*
> AGC (CW mode) is now on by default (after factory reset or on a fresh QMX)
> and the settings of the video set up by
> default, except for Sample Blocks which is set to 2.
>
> *5. Bug fix: Display leftovers on GPS display on LCD*
>
> *6. Bug fix: RF, AF and Image Sweep tools didn't work unless in VFO Mode A
> already*
>
> *7. Bug fix: Selecting a preset did not change the LPF selection, only the
> VFO*
> Now it selects the appropriate band and filters selection, so this should
> solve some danger, when using presets...
>
> *8. Bug fix: LPF and SWR sweep screens broke if not all bands were enabled*
> Now fixed...
>
> *9. Bug fix: CAT bug, remove \0 character in AG; command response*
>
> *10. Bug fix: CAT bug, in IF command (1 character too long)*
>
> *11. Bug fix: CAT bug, remove \0 character in TM; command response*
>
> *12. Bug fix: Change minimum frequency from 3.2 MHz to 1.5 MHz*
> So now 160m receive should work BUT - note that I have not fixed up the
> correct 90-degree phase on 160m, and this means that there isn't any image
> rejection on 160m and also sensitivity will be a bit lower than it should
> be.
>
> Note also the description of the CPU Utilisation monitor is now also in the
> operating manual, at page 102.
>
> 73 Hans G0UPL
>
>
>
>
>

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