New users of the NanoVNA have many questions about their new piece of test equipment.

They will find a lot of useful information and User Guides in the Files section of this group.
https://groups.io/g/nanovna-users/files

Answers to common questions and how to information in this group's Wiki
https://groups.io/g/nanovna-users/wiki

Over the years most questions have been answered more than once by other members. Just use the search feature of groups.io to find previous relevant posts in this group.

Roger