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Pleasant experience having Jeff fix my QMX. Very fast turn around and detailed repair report.

0. Double-check to make sure that JP501 jumper is installed correctly. 1. Please increase the voltage to 7V.? 6.5V is too low for some things to properly work. 2. Please post another screenshot of

Jeff Moore fixed mine FAST and quality work!

New authentic BS107 transistors installed. 1_02_000 firmware installed. QMX+ starts up with 6V (set up for 12V). Dummyload is connected to antenna jack via 1ft cable. Am able to run all the hardware

Your powerbank likely can't negociate two different voltage, so it reverted to a 'safe' 5v output on both outputs... 72 de Russ, va3rr

I was going to chime in that I always use a PD power bank with a fixed trigger cable and I never had a problem, but I had an event today. The QMX+ was running off the power bank at 12V when I plugged

I only use the "press-to-select" devices for testing. I never use them for day-to-day operations. I use fixed voltage cables or similar solder-bridge selected boards. -=-=-=-=-=-=-=-=- 73, Gwen, NG3P

Ok ..I have tried fldigi on other radios - always gave up after too much trying to make it work. So trying one last time with QMX+.? Is there a simple "HOW- TO"? for getting to work ? I want to use

Jeff Moore W1NC is the guy. Look him up on QRZ.com and send him an email. -- 73 Karl KI4ZUQ

smeone to fix qmx+ must be in usa.

Assuming you have gone through the manual final checks then 7 volts max 250ma current limit. If it draws that much or more shut it off and do not turn it back on. If it lights up and boots you may be

Try refreshing the page while holding the shift key. https://qrp-labs.com/qmx It's quite far down the page. -- 73, Dan - W2DLC

Hi Mat, Got Digipan up and running on the QMX+ on my win11 laptop thanks to your settings and managed to eek out a contact! :-) I was a big psk31 user decades ago using digipan and had alot of fun

I laughed out loud at this? I love all of the work that you've done Hans (really), so please take this new tagline in jest: *"QMX - The Fires Were Rare"*

Hi Hans. Tantalums should meet their manufacturer's derating voltage. It's just not enough to say you're operating below the capacitor's voltage rating. In aerospace applications, a typical voltage

Dear gang, I have finished building my QMX+ Rev2 ( my QMX+Rev 1 Never made it to operation). Right now I am a little gun shy of turning Rev 2 on.?? I did buy one of the power supplies that freezes

TNX Brian ! Going now.

Good info Mat. I do not have the QMX+ for SSB but have been observing a fair bit of PSK31 on 20M. Good to see that. More PSK31 activity is welcomed! Bob WA1EDJ Bob [email protected]> wrote:

Hi all The question of how much can he squeezed into the USB connection is a very interesting one. ST provide no library support or examples for compound USB devices (meaning, a software

Thank you Mat. Very helpful. 73, George K3GK