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Ron -- Did you adjust the contrast potentiometer for the LCD display? It sounds to me like your radio may be working but there isn't enough contrast to read the display. But do follow Ludwig's

Is it possible to operate different modes in Split? For example: VFO A (RX): LSB VFO B (TX): CW 73, Robert VE7ZN

Ron, I'm not sure what it means. 0.07 *mA* if the QMX is ON? This would mean 5 V is produced by the 5 V SMPS. For this the controller must run, good message. Please use a terminal program like PuTTY (

Don't worry about this - it is a known issue with the design on 160m that has not been addressed.

I run at 47 dB and get just over 2 bars, if I increase that to 50dB I get around 2/12 bars. At 47 dB setting I get full output with the microphone I have. With no microphone plugged in.

Thank you Ludwig I am using 12v, power up current is .070ma, goes to zero after turn off. When I turn on the QMX, USB cable removed, a yellow screen appears with on row of 16 dotted squares along the

I played around a little more. Here is a (working) TX from fldigi as shown in the QMX+ log (ALL log mode). Here is a sequence of two TXs from WSJT-X right after switching to USB mode. The first one

All of my I/Q sweeps look textbook, with the exception of one...160 meters, where the I&Q are way off in both offset and amplitude. Mind you, in 35 years I've not had a single 160m contact, so

In addition to the excellent answers you've already gotten, remember that there are full engineering drawings of the official enclosure on the QMX+ page near the bottom you can use as a guide.

Have you checked at the bottom of the qmx+ page? ?QMX+ 160-6m multi-mode transceiver?? | | | | QMX+ 160-6m multi-mode transceiver hans summers qrp-labs.com | | | There is a good group of

main PCB is 10cm X 12.8cm. The tallest component on my pcb is 1.8cm tall (GPS) Regarding the front panel board, I'm guessing you want just the board and components, NOT the actual front panel itself

Robert, The approximate QMX+ dimensions as I measure them are as follows: Main board is 128.8mm long by 100.0mm wide Main board needs at least 3mm of clearance from the bottom of the enclosure The

Pacific Antenna has nice BNC based LPF kits. I use a 40m one to run a 20m QCX amplifier on 40m.. and there are 3D printed case designs our there for these. https://www.qrpkits.com/ezlowpass.html -Nate

Can anyone provide an example of how high the mic input noise level is in the terminal tool with without the mic attached in firmware 1.0.2? I see 3 grey bars in the mic test with the gain set to

Agree use putty telnet via comport!

Use Putty. There is a firmware option in the menu. VA3RR

there's a hardware way to force update mode, it's in the manual, something like connecting Aux2 to ground then start.

I went to finally update the new software but chose the fist alpha version by mistake....v 100 001 .... I can no longer find the upgrade software in the menu settings if the rig with this

Ludwig, Thank you. ?I will check again tonight if I have time. ?Busy weekend coming up here. ?I have ordered parts and they will be here in the next few days. ?I ordered enough spares for future

Have you calculated the Q factor? I suspect there is a narrow BW. Do you have a nanoVNA? Having worked with professional VNA’s, these things are a miracle to have in amateur hands.