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I have a NanoVNA (2.8" screen) from about 2020. Overall it works well, but the Jog Switch doesn't do anything.

The touch screen works fine, it calibrates OK and measures SWR with ease... but the jog switch doesn't do anything. Should it do anything?

Firmware is reasonably current with version 1.2.43 (p: 101 IF: 12k, ADC: 192K, Lcd:320x240)
Build time: Feb 19 2025 - 21:39:08

Am I missing anything by just using it via touch screen? An inquiring mind wants to know!

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Do Justly Love Mercy. Walk Humbly.

To clarify, it's a NanoVNA H (classic) and matches the image for a good model in the Wiki.

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Do Justly Love Mercy. Walk Humbly.

The jog wheel is an a control that allows an alternate way to bring up the menu and select the menu items.
So if you are happy with doing it on the touch screen, you are not missing much. There are some things that are (to me) more convenient with the jog wheel, such as moving / positioning the cursor, etc.
You can probably replace the jog wheel if you want to - or maybe just touching up its solder joints to the main board would restore functionality.

I find the jog wheel quite useful for moving the marker. Alternatively you
can use the Search Minimum function in the menu to find minimum SWR point
in the tracing.

I have not opened the casing for fear of damaging it! Even now, there is
some loose contact somewhere: Sometimes when I switch on, the screen is
blank. Switch off and switch on, the screen comes up well.

73

Jon, VU2JO

On Wed, Apr 16, 2025 at 12:30?AM DouglasK via groups.io <VE3YDK=
[email protected]> wrote:

I have a NanoVNA (2.8" screen) from about 2020. Overall it works well, but
the Jog Switch doesn't do anything.

The touch screen works fine, it calibrates OK and measures SWR with
ease... but the jog switch doesn't do anything. Should it do anything?

Firmware is reasonably current with version 1.2.43 (p: 101 IF: 12k, ADC:
192K, Lcd:320x240)
Build time: Feb 19 2025 - 21:39:08

Am I missing anything by just using it via touch screen? An inquiring
mind wants to know!

--
---
Do Justly Love Mercy. Walk Humbly.

On Tuesday 15 April 2025 03:00:25 pm DouglasK wrote:

I have a NanoVNA (2.8" screen) from about 2020. Overall it works well, but the Jog Switch doesn't do anything.

The touch screen works fine, it calibrates OK and measures SWR with ease... but the jog switch doesn't do anything. Should it do anything?

I had bought one off ebay and it arrived in the smallest possible box, and when I took it out of the box that switch was at a rather odd angle, and did nothing. I returned that one, no issues with the seller, and ultimately bought one from R&L...


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Member of the toughest, meanest, deadliest, most unrelenting -- and
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