Please open a ticket in our website and someone with check the manual for you on advise on setting it:
https://www.cnc4pc.com/contact

If you have a link to the manual, please send it.

Hi,
good old-fashioned Chinglish!

Chinese VFD's are cheap, but thats about all they have going for them.

I use Delta VFDs (a Taiwanese brand made in China) for twenty years, both on my own equipment and for customers. Never had a failure and vastly better documentation
and set-up software.

Craig