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As noted in other posts here and in the QMX user manual ... for Linux-type computer (such as the Raspberry Pi), it's something like "click on the speaker icon in the tray (or whatever you need to do

Hans, I like the idea of your LC CAT command. However instead of replacing custom characters with spaces, I think that it would be more convenient if you could replace them with UTF-8 encoded

I know its a little cheeky but any idea how long to an update. None of my QMXs will calibrate and I have to turn the pre phase and amplitude off.

I just found a Mini 360 Buck Converter in my junk box. Can I use that in place of the "DROK DC-DC Adjustable Buck Voltage Converter" to lower the voltage to say 11v.? It is this

Is there a list of CAT commands used by QMX+? Sorry if they had been posted on the reflector before I joined. I cannot search the website of the reflector because the browser on my phone returns an

I think if you search for "alsa" in these messages you will find help.? This has been discussed by others recently.

Hi Mike Nothing wrong with trying to reverse engineer the LCD for the challenge or some practical purpose. I think it would end up quite a difficult way to do things because of the custom character

Sounds like the audio output volume is either set incorrectly for the output or set too low. I've not been down the pulseaudio/linux audio path to guide you exactly where to look, but I'd check

Hi, My QMXs work great under Windows with wsjtx. I have wsjtx installed on the Raspberry Pi 4 and 5. There's no control. Only two dots appear under the A in the frequency display. But that's not

Hi Hans, Thank you for responding to this email. Yes, I am attempting to create a virtual 1602 display to allow for a totally "headless" operation of my QMX transceiver. I do have some level of

Hello everyone, Ive been trying to clean up the transmit audio on my QMX and QMX+. I can’t seem to get rid of the distortion on either one. I have been able to get rid of background noises by

I suspect that my factory built QMX has a blown BS170. I was running FT8 on 15m into a resonant antenna tuned with an external SWR analyzer. The rig measured the SWR at 1.26:1. I don't believe that

I managed to get the QMX+ working with the FreeDATA software yesterday using the 1_01_003 firmware in SSB mode. ?Setup is a Raspberry Pi 5 running the latest Debian 12 using a USB connection to the

Tnx, missed that one ... Good discussion on the complexity and point of adding a 10W linear considering you essentially already have one with CESSB (for SSB at least). To me, main success factor of

Seems it would be good to have a QMX that has several options for a final amp. BS170's are cheap but can fail, would be good to have a more expensive option that is bulletproof at 5W, and some might

Hi Jim: I have C16 on a front panel switch to choose slow or fast. I thought about using the PTT function from the QMX as well but using it as a switch to ground going to the diode at the relay. But

Ron... You are correct. Still have a couple IC's with questionable readings. On the way to get my torn bicep repaired so will continue later. Your help is much appreciated... Ron

Stan, thank you for the comment.? I will look over the PTT FET switching circuits in the QMX and Hans' 50W amplifier pin switches. -- 73, Jim - AE5JE

Thank you Hans. Time to do so on my high band QMX. Fingers crossed ? [email protected]> wrote:

Hello John I think there are still some adjustments I need to make here. But anyway everyone can easily install it, firmware updates are extremely easy to do. Everyone can (and should) do it. 73