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Hans, I can add one tips: When installing the input power connector, push it towards the board edge. This will increase the very small clearance to the left encoder on the control board. Nevertheless

When you connect to the pc to load the firmware ( now for the nth time) do you see two files already in the QMX ? The system should only go into firmware load mode automatically the first time, then

Dr. Pedro, Once a feature is introduced, it is in all subsequent releases unless Hans notes that it has been removed or changed.? Also, all QDX firmware can be used on any board revision.? I always

I wonder what problem increasing the voltage and potential current draw would solve. Don't know what the problem is but not sure that getting a bigger hammer will help. Chris, G5CTH

Does anyone have a scope plot of what the first second of Voltage looks like across C107 when you power ON , do it multiple times ON-OFF, ON-OFF, etc. 470uF 6.3V Tantalums may only be available with

Excellent video, Hans! 73, Randy, KS4L

Hi and thanks for help. Because there is no short or high current drain i increased votage to 12v and 2 amps current. with no change.(also used my kx2 11.1v battery pack) i have reloaded software many

Thank you Ton and Evan. Yes, I noticed it has been introduced in version 1.04 so I'm using it then. 73 de Pedro, LU7DZ

Hans has a good picture of the USB-C connector in the video he just posted https://youtu.be/pBZ_SXO-LlM ( https://youtu.be/pBZ_SXO-LlM ) and it clearly shows the the solder wicking between the 16 pins

Hi Hans, I just performed the suggestion and the QMX still does not power down. I followed your instruction on your most recent YouTube video and did not see a short between q103 and q104. Regardless,

A week or so ago someone was trying to start a QMX using a current-limited bench power supply.? He chose his amperage limit appropriately, 250 mA if I recall correctly, but his voltage setting was

Hi Ron, I finally got around to replacing the older chip in the QCX-mini. Indeed, it now transmits CW (I haven't tested WSPR mode yet). Thank you for your help! -Bob

I think you are misunderstanding the windows panel. The "Don't Allow" is a button that you click to disable access. The current state is on the left where it says "Audio, Allow apps and Windows to use

Dr. Pedro, As Ton pointed out, the notes are next to the version download.? The transmitter timeout was done on cessation of audio from the PC. 1_04 - 50 millisecond transmit timeout on cessation

Wayne, I'm a couple of days behind in reading the QRP Labs emails so someone might have already mentioned this, but just in case ... Your setting does NOT allow 'apps and Windosws' to use

Bruce 0 amps i press on button and 160ma and PC picks up QMX,? i load software and the LCD lights up and shows clearly the splash screen.? if i do nothing it stays like that (lcd on and splash

https://qrp-labs.com/qdx.html Description with each firmware version? 73 Ton PA0ARR

Hi, I'm looking, but unable to find, the contents of each firmware upgrade of the QDX transceiver; sort of a release note of each one. Specifically I'm looking for a correction of a problem of the

good afternoon Hans, I am enjoying watching your very informative and helpful video. A thousand thanks. Giuseppe iu8eun

Hi all https://youtu.be/pBZ_SXO-LlM The QRP Labs QMX Multimode Multiband QRP transceiver kit is an amazing combination of performance, features and low price in a very compact package. We have at