The provider manual will show you all the settings and how to change them.
This is free and you should get it pretty fast.
If you are using a heated tube, as soon as the tube is attached, the machine will know and all you have to do is set the humidity level and tube temp.
I assume you are using a non heated tube...
In the Providers menu, scroll down to heated tube and turn off,
The humidity level C1-C5 will pop up. This is for classic humidity.
Set this as desired, with lowest humidity at 1.
If you want System One humidity, turn it to on, otherwise should be off.
Hope that helps.