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On 2022-06-08 08:00:-0700, you wrote:

if the menu said "SAVE " and there are no options one
is left with " try this and watch for smoke..."

PS Is there a WRITTEN document of "nanoVNA MENU dictionary "?

I am in complete empathy with what I understand you to write.
I was disheartened that so much time has passed with these devices on the market, and so little written by those who purport to be in the know.
A newcomer to the scene, I wrote a user manual of sorts, researching as I went, and created a map map for both the -H and -H4 nVNAs. My intention was none other than to help other folks new to the devices, and to provide a formal way of writing down my notes, so that others might contribute in an orderly fashion.

The docs are to be found in the Files area of this forum. I will periodically update them, but nVNAs are not my main interest, so I won't be learning all that is needed to complete the task. There are significant differences twixt some versions, so the manual and menu maps are specific to a device and firmware version.

~R~
72/73 de Rich NE1EE
The Dusty Key
On the banks of the Piscataqua

Rich, what is really puzzling - assuming that the original intent of father of "nanpXXXX" was to make money - why is internet full of
"wannabe" experts publishing and mostly copying stuff with little regards to facts?

After I par6tially read one of the "beginners guide" I did same as you did - made a copy of published document and started annotating it....

PS
As far as "SAVE" goes - I am sure I was "doing it wrong" , but after pushing "DONE" I got an option to "SAVE 0 thru 3 ".
Now if I can repeat that process every time, I'll be a happy camper...

PPS
It still looks that after cycling power - SAVE 0 is "loaded" as default....

Anne,
My knowledge and experience is limited, but SAVE 0 is loaded at power up
each time. This is a good place to save the calibration data for the setup
you use most often. Anything else you want to save, including a different
calibration, goes into one of the other SAVE locations and can be loaded
using the RECALL function. Hope this helps.
Perry
KG4KTB

SAVE also saves the enabled traces, their format and scale, etc.
So you can set the frequency range, number of points, traces, markers,
etc., then calibrate and save, and when you recall that slot you get the
full setup.

On 2022-06-08 13:05:-0700, you wrote:

Rich, what is really puzzling - assuming that the original intent of father of "nanpXXXX" was to make money -

Actually, as I understand it, the NanoVNAs evolved from a hobby to merchandise. The story is prolly on the web for you to find.

More to the point, now, I suppose, is how each of us can use them effectively...

I try to always state which device, device model, and firmware revision I am working with...
nVNA-H4 v4.3_MS, firmware 1.1
Because the various devices, models, and firmware revisions can act differently, it's important to be clear, so when I ask for help, someone who knows my device can chip in.

why is internet full of "wannabe" experts publishing and mostly copying stuff with little regards to facts?

This is broadly descriptive of the internet these days. We have made the image of knowledge more important than the actual knowledge. I suppose the there are those who want to give the impression that they are knowledgeable, so they copy and republish. Plagiarism is a thing of the past. Unfortunately, most of it, IMO, is a waste of bandwidth, because after the first person publishes, the copies are useless.

But we have, at least in the US (though it seems a global condition), gotten to the point where we don't take the trouble to actually learn something, but rather to go through the motions. For example, I am a ham. I often have hams come to me with basic ham questions. OTOH, I wonder why they don't know the answer to questions the needed to answer to get their license. OTO, I don't really wonder. The trend today, from virtually every quarter, and here I include academia (teaching and research since the mid 90s), is to reward answers (and in academia, cheating), rather than understanding. The dean of my college once remarked to me that a student had complained about my teaching, saying "Prof M expects is to study outside of class." There are 2 things wrong there, are there not? One is that a student is so convinced of his case that he is willing to make a written complaint to the dean; the other is that this pretty much reflects the state of education in the US today. Unfortunate. I trust that none of this is a surprise to any reader in the US? See Organisation for Economic Co-operation and Development (OECD). I simply try to help those who ask questions, but I am likely to start at the beginning, and lay a foundation...teach a person to fish...

It is, unfortunately, difficult to determine the facts when so many are so busy scattering myths. Onc can't simply take the word of any person or website until they have vetted them or it. More time wasted.

But the nVNA crowd is actively supporting confusion. Those who actually might have concrete answers don't take the time to organize them for others. Which brings us to ...

I did same as you did - made a copy of published document and started annotating it....

No quite. I started from scratch. One of the items I produced is a menu map, because the menu structure is complicated, and I need to refer to it often when I am using a feature new to me. I published the map in image form, and I published the source so that anyone can update the map for themselves when a new version is released or they just want a different presentation. It's pretty easy. Much easier than cutting and pasting menu blocks.

Then I created a "user manual". I started with simply building the menu structure in hierarchical text form, and began filling in what I thought to be correct. I then expanded that to include notes as I encountered them on various lists, and I could (I hoped) verify them. I made the manual available in PDF and source, so that anyone can update it. I don't expect that to happen, because it has not happened in the past few years of evolving nVNAa. Think of me as a secretary, not as an nVNA expert. Nonetheless...

We have become a nation of non-readers, for the most part. So many won't even read the manual or the menu map, I suspect. But they will post questions here.

As far as "SAVE" goes -

I don't know all that SAVE does. There are 2 paths for SAVE. I imagine that one stores initial settings from a cal, and the other provides a path to save a configuration that is modified in a way that does not affect the cal. For example, changing what traces are displayed with that cal. Not sure about that. See the menu map and user manual...and be sure to tell us what device, etc., you are using.

It still looks that after cycling power - SAVE 0 is "loaded" as default....

True...has been that way since ... ??
And now there are ways to save and reload configs, at least on the H and H4, I think...not sure...and that will make it way easier to manage many different configurations and calibrations.

~R~

On 2022-06-08 15:04:-0700, you wrote:

SAVE also saves the enabled traces, their format and scale, etc.

It's the "etc." that troubles me. Where do we find exactly what is saved for our firmware release?

Let me restate - I have been actively using nanoVNA for about two weeks -
and I am a certified engineer and real engineers do not read manuals...

Consequently I make mistakes , because I only read
what I IMMEDIATELY need...

With that said - I find the wast variety of "menu flowcharts " .
disgusting.

It looks as the primary goal was to cram everything in minimal space...

What happen to real (IBM) style flowcharts ?
GUI ( graphical USER interface ) Pitiful.

Any nanoVNA " coders " ever hear about "tool tips " ?
How about " document header(s) " levels?

In my years of gainful employment I did "(graphical) user experience " quality control...
(some "coders" did not like me ...)

and if anybody is going to say " what do you expect for free ..."

I AM DONE HERE

If you want to come back where you last were, and no memory 0, on the later firmware(s) there is an advanced option "maintain state" that will cause the device to power back on exactly as it was powered off.

--
Sent from my Android device with K-9 Mail. Please excuse my brevity.

...and one wonders why a person might be removed from a FB group.

great post

Good riddance...

CONFIG->SAVE
Save device settings from config (like touch calibration, threshold, vbat_offset, colors)

CALIBRATION->SAVE X
Save calibration and trace/marker settings

After calibration if use DONE, device ask SAVE data to any slot (you can skip this)
DONE IN RAM just apply calibration (not ask about save, but you can save it after by CALIBRATION->SAVE)

In latest fw v 1.2 there is an option to Save Calibration and to Save Configuration.
Moreover, the Calibration (within a frequency range) could be saved into a "Slot" (you have 7 slots for Save/Recall_0..6 in nanovna handy, where the slot is stored in the free rom flash on the mcu chip), or, you could save the Calibration on the SDcard (when available).
You can then "load" the calibration or the config with "Load Calibration" or "Load Config".
I discussed that a couple days back with Dislord on his github, as I was not sure how the Save/Load Calibration actually works.
You may store almost unlimited number of Calibration "slots" under a "file name" on your SDcard (each slot file is 16kB large), and then to replace a specific Slot in your nanovna with that configuration anytime. That require a sequence of steps, however.
Mind you will save only a single "currently active slot" on the SDcard under a name you like (you do not store all 7 slots).
I have, for example, about a dozen of various calibration slots saved on my SDcard and I can Load one of them into any of my slots in nanovna as I need them.
To describe Saving/Loading Calibration slots in detail would be a good enhancement of the user manual, as it is a pretty useful feature, and mastering it would definitely help you when working in the field.

Wow, touchy, ta, ta.

Mike C.

PS I didn't know engines had ears!!

Thank you Igor and Dislord.
I just acquired a new NanoVNA H4, after using my original NanoVNA H for the last several years.
With all features of the H4 over the H model, it is like starting all over again.
I was wondering what the save function was really doing.
Both of you now answered it.
I thank those who keep updating and improving the NanoVNAs.
Thank you again,
Clyde Lambert KC7BJE