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Hi Jim, Maybe the led is bad. ? Can you try powering on the QDX and turning it off before 5 seconds elapsed? ?Then turn it on and try connecting to your computer. 73 Evan AC9TU

I can't find the firmware tweak, but it was nothing major; just a command change or something. I am still getting no communication via USB. The chips all? have their power supplied properly. It's

I sent my QMX off to Jeff (W1NC) and he reported back the following: How lucky we are to have Jeff eagerly taking interest in something causing me frustration. The bad PCM1804 chip was suggested as a

Steve M <steven@...> wrote: Thanks for all the responses! Actually 8m is forbidden where I live (Poland, IARU 1), so I wouldn't use it anyway. My issue (and my thinking) is this. In the

Same for US to UK. Philip G7JUR

Hi Paul I own both ATU-10 es ATU-100 Out of the box: ATU-10 is QRP, 10 W max Small, light weight and rechargeable batt powered that times out after several minutes Relays are self latching so power

Basic Question Is the ATU 100 a good option to use with a QMX+ Tnx 73 Paul w2eck

Not sure what to say? I double checked all the solder joints on the connections and touched up any that seemed to be at all suspect. Using the schematic for the front panel board traces I made a

I assume it powers up and down properly using the top knob, but draws 200 ma. So the processor is working, but not yet convinced that the power supplies working. If you look at LIN_REG_EN on the first

Most likely that the wires of L403 are not soldered properly. No need to rebuild it. Add some flux if you have it, heat each of the 3 wires of L403 with a soldering iron till the solder melts, then

Jerry, Sounds like a “cheap Chinese clone” in the making!

Still have my HP35 from college, it's an old friend. Battery pack has long since dried up and died, keys show a decade of heavy wear, power supply cord patched where it enters the wall wart.. But

I do wonder how much interest there is in 160m and 6m. Reducing coverage to the traditional 80-10m makes room to use a cheaper 4 layer board, perhaps even with all surface mount parts on the bottom,

Double check the solder connections on all of the through pins that connect the display to the board with the front controls (not sure what it is called, but the board with the encoders, buttons, mic,

When in the mode the aim is to get the LED to be unlit. Due to the way the transmatch works it will not show 1:1 (or close to) on the radio. When you switch it out of tune mode it'll then show 1:1ish

What happens when you adjust R305, the screen contrast potentiometer? -- rec -- ad5dz -- <robbiejackson308@...> wrote:

To me, if you talk about red dots, it is either a weapon or a very rare HP Calc... https://hp35.wz.cz/HP-35RD.html https://www.hpmuseum.org/hp35.htm Could not resist, sorry. -- Giuseppe Marullo IW2JWW

I knows that they do Stan, and I’m not saying that they don’t. I appreciate the help of everyone in this group and once I satisfied myself that I had tried everything that Si could I did reach out

Wonder if K46 actually gets released this month... 73 -- Matt N3AR

I have bought a couple of K42s, first one without backlit and I spent some time retrofitting it (display was not so common). Luckily I was able to make Steve change his mind about it and he eventually