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Thanks, Evan. I rebooted my machine, but still no change.

Just FYI.? I had a problem with my QDX being overdriven with the audio input.? It displayed similar behavior.? The transmit light would flash once and the power output was erratic.? I can tell

What is you transmit power into a dummy load for each band? -mike/w1mt

Ensure that you have 2.5v at each solder joint for T401. -mike/w1mt

Wayne, Be sure to power cycle the QDX between settings changes.? It may be that the settings do not take effect until power cycle and or reboot. 73 Evan AC9TU

yep, that's what I'm getting. attached is audio scan, looks bad. Paul DJ0CU

Ok, Probed the clock outputs, nothing, pin 13, sc has nearly 5v on it while pin 14 is very low. Pin 18, pll has 3.3v. Possibly Q7 died? Andy -- The universe is made up of Protons, Neutrons, Electrons

Thanks for that catch. I changed that default, but I'm still not getting any audio to the QDX. Wayne

Wayne, On the second screen print, I noted that the QDX is the default output device.? It could be that the system is taking over the QDX audio and not allowing the WSJT-X to access it.? Since I do

All, I would recommend patience.? The QMX has a very capable processor to process the audio.? Hans will add the AGC into the software at some point.? This should be much better than the simple

Here is my setup with the QDX:

Nope. -mike/w1mt

The AGC kits don't work on the QMX though, do they?

?? true

Wayne, Based on the TX working with PuTTY, there is most likely a configuration issue with your computer.? I suspect the volume setting for the QDX audio output (Speaker) is most likely the issue.?

Okay. Now you know one thing it AIN'T!

One obscure issue with time sync: I have a cellular internet modem (T-Mobile) and it will not allow most of these time syncs, such as Dimension4, or many others, to work. It will also not allow ftp

I read this with interest a few weeks ago and would be interested in Hans' thoughts on a commutating diode across L14 and wondering if perhaps there might be a future revision to the QDX?

Check the voltage at C406. One is ground the other should be about 2.5v. -mike/w1mt