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Re: Nano-VNA H4 Control Knob doesn't work.


 

On Fri, Jun 3, 2022 at 01:57 PM, nm9p wrote:


I bought this for Christmas abut 1 1/2 years but was too busy to learn how to
use it. But the Control Knob will not work. I can't scroll the menus with
the Control Knob, and I can't get it to calibrate the screen. It keeps
rejecting my finger or stylus presses.
Is there a way to RESET it?

Or is there something simple to look for if I open the case?
When the H4 first came out the case was too tight and pinched the screen. Then touch input was erratic. Try loosening the case screws and see if that works. If it works you can open the case and install some washers on the standoffs cut from some plastic.

Roger

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