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It should be a reasonably clean square wave from about 0V to about 5V, at your transmit frequency.? All corners of the square wave may be rounded a bit if your finals are installed.? Try measuring

Hi Paul, I printed the extented version ( https://www.printables.com/model/733283-mini-microphone-extended ) , so I can attach a foam to it. -- 73, de BD8BTE op: Lun Yang

I did a little bit of SSB POTA hunting with my QMX and a K6ARK mini-mic I had built for a (tr)sdx awhile back, made two solid contacts on 20m! For whatever reason, my voice usually requires some

QMX+ has no DIP switches. Check QMX documentation for microphone application. Mike Krieger [email protected]> wrote:

Sergey, the terminal interface is very easy to use.? I encourage you to try it.? If you need some help, send me a message and I'll walk you through getting it set up.? Most here use puTTY, and its

Another thing to check is that you are in vt100 emulation mode, and the screen size is 80x24 so it will scroll correctly. I think securecrt is way overkill for connecting to a local serial port, so

Or may the contacts should be activated for TX by default? 5V on the ring and ground on the tip during TX.

Hello Hans! Is it possible to add activation of PTT output contacts (5V on the ring during TX and so on) to QMX standard menu (not threw Terminal program)? I think it makes sense because almost all

Hmm...? I'm using securecrt. The window isn't "slightly out of shape". screen does do funky things sometimes to the console (when I use it for other applications). I'll research that and see if it

Main menu -> Configuration -> Band configuration and then go in and change band settings as needed. Section 8.5 starting on page 78 in the QMX manual describes in more detail, but only shows via the

And to clarify, this is a Rev 3 QMX.

One of my BS170's fried yesterday, and I am replacing all 4 of them. Using the excellent info at /g/QRPLabs/wiki/37486 ( /g/QRPLabs/wiki/37486 ) , I am trying to

I do not have Terminal program (( Is it possible to do this threw QMX menu??

I just fabricated a male-female 3.5mm stereo crossover cable to adapt my existing mics to the radio, leaves everything unmolested. I often use zero Ohm chip resistors for PCB "switches"; while less

There was a screenshot above that shows it, I will repost it here. You need to enable it on each band you plan to use.

On 3/24/25 I had a CW practice / rag chew session on 20 meters. I worked three stations: Date / Time Call Bnd Frequency Mode Power Rec Snt SPC# Name Comments Off 3/24/2025 19:25 AE4IX 20

Thanks for doing this Ludwig. One suggested addition. Could you add a section at the end with the Default settings. Sometimes starting over with a clean slate is a needed option. -- 73,

Thank you Jim! Were exactly in menu can I enable "key to ground"?

I believe this is a question specifically for Hans :) Having recently had the receiver mux chips be destroyed seemingly without any other failure of the switching circuit controlled by Q508, I'm

Interesting observations on this thread. Despite being CW only I am also an inveterate fiddler? ( it is ain't broke you're not experimenting hard enough :- ). I loaded each of the recent software