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There are several versions of H4 firmware. You may have to flash an older or newer version. Make sure it's the H4 version and NOT the H version!! https://github.com/hugen79/NanoVNA-H/releases and

DefuSe utilities - convert the HEX to DFU, not the bin. Read about it in the user guide in the files section of the forum.

I don't understand the problem you were having. I have a lit display, I just don't get the number pad coming up after selecting the start, center or stop frequency selections. I can't enter any

Hi, remove the cover plate from the screen and turn it on. If the problem is resolved, you will be helped by a plastic washer like me. see: /g/nanovna-users/message/10369

Though I better protect this baby.....H4. I'm assuming the F has the same geometry or case ?? Files can be found on Thingiverse, where I uploaded it to. https://www.thingiverse.com/thing:4184314

Thanks for the hints. I forgot to ask another question: How (using what program) to convert .bin files to .dfu ? Thanks again Peter

Hi ari.19, I have an H-4 and I think I have fixed several prototype bugs. When upgrading a DFU, the screen will remain black for –H4, unlike the “basic” version. Following the description of the

Sorry to have offended you, but the facts are that the 239/259 are not good connectors as they are not impedance controlled. I can account for at least four dielectric types used in these connectors

19 Hi Larry, Peace be upon You. Thnks for Your reply, no chance the device is not loading. Just a white screen, no dfue mode possible, also no handshake with windows, even no error. Sincerely ** Ari

The original user guide that I maintain in the forum's files section has ALL the info you will need on where to find the firmware on github. Read up on how to use the DeFuSe utilities and you will

Hi, Thank you, but my question was about where to find my current version (0.4.5-1-gfrbbceca), I suppose it is not possible to extract it from the micro. Ignacio, EB4APL

The forum Wiki and files sections are full of the info you're looking for.Check out the various user manuals while you're there and read up on how to use the DefuSe utilities.

As someone new to this device, please read both the user manuals and the console command manual in the wiki and files sections of the forum.

Recently I received a nanoVNA H. It has firmware version 0.4.5-1-gfrbbceca. Build Time: Dc 26 2019 - 19:32:31. It works ok so far, but I want to know where I can find this firmware in order to have a

Console is when the nanoVNA is connected to a PC and you use serial over USB to connect to the nanoVNA. So on windows you check which COM port is added when you connect the nanoVNA and switch it on.

------------- Yes, as I do use my right index finger without problems... 8-) Alberto

Hello anybody, I'm a newbie toNanoVNA. How can I get into the device console? Thanks & regards Peter

Thanks, Eugen. Actually I tried that last year. Although I got no error messages during the installation process, when I attempt to launch nanovna-saver I receive the following:

Be sure you have an original Hugen v3.4 (or updated HW) when trying anything above 1.5GHz Anything older/worse will only show a lot of noise above 1.5GHz And don't complain if it does not work well.

Actually, I almost started a topic about the max frequency a few weeks ago, as I’ve never seen anyone else mention it. Starting with 0.6.0, both of my nanos will cover up to 2.7Ghz. I find that past