@bob I’d hold off updating the firmware - unless you desperately need to (eg. to install a Z3 camera patch).
What firmware versions are you running currently? (you can find this in the About section of GO4)
You can pick and choose just which elements you want to alter and tailor a firmware build to your own specification
In Part 2, when you’re editing the parameters in Notepad, you simply edit only the parameters you want to modify. So in your case, you’ll edit just:
Then continue working through the rest of the guide.
I’m not sure what you mean by “distance from controller limit” but I think you might be referring to a GO4 app setting, rather than a firmware parameter here?