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Dear,

I have a problem with the NanoVNA-H(4) and NanoVNA-App

I can connect it on com5 but it does not read the data and mention always a number of points error

Does someone has a trick to solve this problem ?

thank you Jean Marie

Does nanoVNA-Saver work on your machine?
I can see that win7 sp1 is running. To run Saver, I need some things that I described in a pdf file. Link:
Since this was the program before, I didn’t test to see if the NanoVNA App needed the same.

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Gyula HA3HZ ( )

On Tue, May 31, 2022 at 06:33 AM, Jean-Marie Polard wrote:

I have a problem with the NanoVNA-H(4) and NanoVNA-App

I can connect it on com5 but it does not read the data and mention
always a number of points error

Does someone has a trick to solve this problem ?

What version of H4 firmware are you using?

The NanoVNA app uses a binary protocol to transfer sweep data. This is different than the old ASCII protocol that was initially used by the NanoVNA. If your firmware is over a year old you need to update it.

Roger

On Tue, May 31, 2022 at 11:26 AM, Roger Need wrote:

On Tue, May 31, 2022 at 06:33 AM, Jean-Marie Polard wrote:

I have a problem with the NanoVNA-H(4) and NanoVNA-App

I can connect it on com5 but it does not read the data and mention
always a number of points error

Does someone has a trick to solve this problem ?

What version of H4 firmware are you using?

The NanoVNA app uses a binary protocol to transfer sweep data. This is
different than the old ASCII protocol that was initially used by the NanoVNA.
If your firmware is over a year old you need to update it.

Just took another look at your console output. Your firmware is over 2 years old so you need to update if you want to use the NanoVNA app

Roger

Heck, it's confused with NanoVNA-H (4).
However, it can be read that it is a 2.8 "-H shipped with this firmware.
As Roger Need wrote, the firmware needs to be updated.
If you haven't already done so, read the descriptions on the forum Wiki or you can read it on my website.
Sorry I misled you in the previous post.

--
Gyula HA3HZ ( )

I'm using the latest version installed a few days ago.
Perry

On Tue, May 31, 2022 at 2:26 PM Roger Need via groups.io <sailtamarack=
[email protected]> wrote:

On Tue, May 31, 2022 at 06:33 AM, Jean-Marie Polard wrote:

I have a problem with the NanoVNA-H(4) and NanoVNA-App

I can connect it on com5 but it does not read the data and mention
always a number of points error

Does someone has a trick to solve this problem ?

What version of H4 firmware are you using?

The NanoVNA app uses a binary protocol to transfer sweep data. This is
different than the old ASCII protocol that was initially used by the
NanoVNA. If your firmware is over a year old you need to update it.

Roger

Thank you Roger, my friend F5WK Michel followed the procedure and all is working for him. Will do the same today.
Regards Jean Marie

Your picture shows you do with 51 points. Did you try with 101 or 201?