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Thank you very much for your clear explanation. Based on a few other posts, this is what I thought might be happening, but didn’t know what to check. Will give it a whirl tomorrow and report back.

Hi Joe To test the theory, try pressing that area and see if it displays correctly. The one on my Sony took a while to sort out, but the ones used on the QRP Lab radios are usually easy to fix. Good

That is not my experience with the QMX/QMX+ audio. When I use a reasonable quality earphone (I have some very old Apple iPhone earbuds with the 3.5mm plug), or when I use my Heil headset, the quality

For what it is worth, I recall the contrast pot on my QMX+ kit was all the way to the stop to show perfect contrast. My preference would be near the middle of travel but hey! That is a low priority

Fixed it! It was because I had IQ mode on.. - Nico [email protected]> wrote:

Still nothing, I set the gain to 70 - Nico [email protected]> wrote:

Oh, you have to delete the numbers, I'm dumb - Nico

Lol, I can't figure out how to change the numbers on the band configuration, what keys do you use??? arrow is for moving and +, -, and numbers dont work - Nico [email protected]> wrote:

Hans, Understood.? I would not recommend modding the QMX for most builders either.? Significant hacks are way more likely to trash a QMX than the few incidents of SMPS failures. Chris wrote:?

On occasion, I've found that a new audio device's input/output levels are set to zero, regardless what an associated program may indicate. Try using alsamixer to set the levels. Al, K2ZN

It's worth checking whether you saw this recent thread: /g/QRPLabs/message/135756 The thread pertained to somewhat similar symptoms experienced by a Windows user. The solution,

Yes Sam, I've tried three different USB cables and two different computers and all have the same problem. Used these same cables to connect and load firmware on a QMX+ I built last week with no

Asla input QRP transceiver [email protected]> wrote:

Stan, I am aware of how the QMX+ works with Windows.? Unfortunately it does not work that way on a Mac? I wish it did. It is really too bad as this machine's form factor is great for portable

What does it saynon the input and output under the audio tab? -- 73, Dan - W2DLC

Thanks for the reply but that did not help, I have everything turned up. It is weird because it shows up but no sound goes in but it does go out. - Nico [email protected]> wrote:

Beautiful job! Will you share the stl files or sell them? 73, Larry K3PEG Happy Holidays! [email protected]> wrote:

Hi Jerry > Hans is now recommending 220k instead of 100k in parallel with the 22k at I don't recommend the mod at all; but I'm saying if you insist on doing it, then you need some kind of ADC voltage

Looks like my last post has material that's already covered in this thread. Hans is now recommending 220k instead of 100k in parallel with the 22k at R112 and R113, for a resultant value of 20k. And

Hi Chris Certainly not intentionally. I can't foresee any scenario where it could be broken. Or where, if I had some reason for some kind of extra failsafe, I could have a parameter to switch it