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Documentation

Posted: Tue Sep 22, 2026 4:24 pm
by KE5KDO
I have been a technical writer for 35 years, and have graduated RCA Institutes taking their electronics and computer course. But the FlexRadio is a complicated beast for me to understand and setup.

Today I learned so much about it using ChatGPT. I did not know that FlexRadio 5000a has a MultiRX that acts like RX2 only it works only in the band pass shown in the current Panfall. I asked ChaptGPT for detailed explanation on how the FlexRadio 5000a and PowerSDR worked and they did a wonderful job. It was such a clear explanation.

I also found you can safely change the sample rate by going to Setup>Audio>Primary>Sample Rate. You can set it for 4800, 9600, or 192000. The 192000 setting gives you the widest frequency Panfall display. I had it set at 9600 for the long time, and my display had a narrow range of frequencies.

ChatGPT is also wonderful for troubleshooting the FlexRadio. For instance, it help find out I had a loose firewire cable which was causing interference on the FlexRadio and SDRconnect ( SDRPlay). I cleaned the cable connections, and no more interference. ChatGPT knows most of the adjustments on the radio. It is like having an expert next to you. As far as I know you can freely use ChatGPT’s output like you wrote it yourself.

Specifically could you update the overall explanation as how the radio works, and perhaps some tips and tricks on setup. For example: the MultiRX operation , and how to adjust the Sample Rate?

Re: Documentation

Posted: Wed Sep 23, 2026 4:05 pm
by ke9ns
When you open up PowerSDR hold your mouse over the "PDF-Manuals" menu item at the top of the PowerSDR console screen
You will see a tooltip for 3 different manuals (I am repeating my self for others in the forum)

Left Click for the Standard PowerSDR 5000 manual.
Its a copy of the last Flexradio Flex-5000 manual. I used that as a starting point and then modified it
It has some info on the radio hardware itself

But if you go to my flexradio webpage on my website and click on the "Manuals, Repair, Technical info, Folder locations, Turf/Mars" section
It has a bunch more

Flexradios original website had a ton a documents explaining every little aspect of the 5000
Since the old Flex website is dead, I have put some of that info on my website and hi-res photos of the inside of a Flex-1500,3000, and 5000
I add info to this section whenever I come across more FlexRadio info on it.

Darrin