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Matt, from the beta firmware download page: *Microphone Connection:* The microphone is plugged into the QMX Paddle port; this stereo 3.5mm jack plug is for both the microphone signal AND the PTT

Adam has a few different wiring configurations listed for the mic; which one has been found to work with the QMX? Thanks. 73 -- Matt N3AR

I started using ChipQuik brand liquid flux for rework? and have been very happy with it.? I had been using up an older supply of Radio Shack brand solder wick and it performed better with a drop or

I’m not brave enough to download the SSB software yet, but would like to say how much I am enjoying reading posts of the group experiences and community debugging of the releases. And it is so

Dave, Make sure that in the band configuration menu that you have PTT Grounded ENABLED if your amplifier needs a pulled down PTT signal.? Default is a +5V output upon transmit.? ?PTT output is on

While my license does not allow for "commercial" sales, I can clearly see that this is not a money making venture and is instead simply a favor to other hams. Consider this approval to proceed.

Hans, It is looking very good SSB on the QMX+. How do you configure the PTT Out to go LOW to key a conventional linear amplifier?? At 5W it should drive my RFKIT RF2K-S to 200W on the standard

I just made one of these for my QMX+: https://www.printables.com/model/320559-mini-microphone-for-qmx-trusdx-usdx-kx2-and-kx3?lang=pl I have the parts on hand to make 9 more if anyone is interested.

Greg, not exactly. But like in your situation the voltage was wrong (away from 2.5 V) when IC402 was connected and different but also wrong when IC402 was separated from T401.

I installed Firmware beta 1_01_002 on my high band QMX. In putty I started Optimization and after less then a minute putty became unresponsive. I exited putty and disconnected power from the QMX. I

Well, crisis averted! ?It was a power bank issue the whole time—the most likely cause based on my situation. ?I was able to reset my power bank (a feature I didn’t realize it could do until I

For anyone who''s looking at their Heil HTH-* handy talky headset, like me, here are the three wirings that would need to be

Thanks! I went out and bought a syringe with flux paste, but it's very hard to dispense and apply it. What you have seems a lot better.

One thing I noticed, probably general and not specific to this release, is that during TX the power meter does not really follow voice peaks very well compared to an external peak reading meter or

This is the circuit I use for my Heil microphone, this just has a TS connector, no ring. Chris, G5CTH

It could be one of the protection diodes on one of the buck converter boards. Those are D106 and D109. -- 73, Dan - W2DLC

Selling QMX+ V1 unbuilt kit. $125 ? Will include case and free shipping to lower 48. ?I just have too many QMX’s HI. ?Email is good on QRZ. -- Trevor (N0YMA)

Thanks, Stan.

I just saw the other thread where Hans explained that the internal mic is used as the reference for the noise cancellation. -- 73, Dan - W2DLC

It might make sense to ship the board with only the small parts stuffed, that should be most of them. The few large parts could be obtained locally. Fragile small parts or those mounted vertically