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Hi Myles, Yep, I tried the dial back as well. I eventually settled on mic gain of 65 but the audio was still rough without background noise. Thanks for sharing your settings. Are these setting post

Hans' suggestion of microphone can be found on the beta page: https://qrp-labs.com/qmxp/ssbbeta.html under the heading Microphone Choice.? Though I suspect this microphone is more sensitive than

Hi Hans, Yep, that did cross my mind.. In fact my first attempt was to use a PC gaming headset with mic. The audio gain was very low from the headset compared to the electret mic's I found in my

OR...one could switch to their trusty Yaesu FT-450D, as I do, during antenna "tuning" :0) 72, Bill, N4QA/4/QRP Oak Island ( OKI ), North Carolina, U.S.A.

Did you leave predistortion off during calibration? Let me give that a go.. Cheers, Mel. M0KMD

Yep, done that one. I was using headphones on the IC 7300 whilst testing TX on QMX. Cheers. Mel, M0KMD

Hi Mel It's possible the microphone isn't sensitive enough. Turning up the gain increases the audio but also the noise (if the mic SNR isn't enough) 73 Hans

Make sure you are not getting feedback between QMX and IC7300. I had lots of feedback and distortion until I backed the audio way down on my receiving QMX+. I made two QSOs with good signal

HI Mel, See my earlier message with a similar issue. I had that distortion and then turned off predistortion etc. and it improved. I re-ran the calibration and then is was OK ( for a bit ) and now

Stan, mine has done that since 001, depending on what menu you have visited before you exit out. -- 73, Dan - W2DLC

Well, I bit the bullet and installed the 003 FW. Update of FW went all fine, no issue there. I wired up a electret mic I found in my junk box. Tested the mic on pc and sounded fine. I made an adapter

I am having the same issue with screen on a Mac. I worked around this by using the microphone calibration from the menu on the LCD screen. -- Karl Heinz - K5KHK

+1 for that!! Bill W2EB East Syracuse, NY

My preference would be that instead of shutting the power off a high SWR would switch to the Tune power, then when the SWR improves the power is restored (ideally after a delay).? This avoids the

I have the same problem.? Settings for one mic seemed OK but I changed mic and it worked OK for a recent SOTA - no unfavourable comments on audio quality.? New mic on the way so I will repeat the

I'm building a QMX+ and will get to that stage in a day or two but I really doubt that the PCB wiring is incorrect.? I checked some of the connections round T507 and it seems fine. I've always

The corresponding Mouser number is: 80-T495D477K006E100

Hi Bruce Good idea, I can add that no problem. I suggest use of the normal exit button... But a long press to get all the way out of the menu, compared to the normal many-presses to come up one level

Hi Sverre Yes no problem, I can add that to my list... Flashing S 73 Hans G0UPL http://qrp-labs.com https://buymeacoffee.com/g0upl [email protected]> wrote:

Hello Greg As far as I'm aware there isn't any race condition. Something else must be at fault here. The TX line is deactivated and after some short delay, RX is activated. And vice versa on key