That "threshold" setting configures how far one must pull their "trigger" before simulating a real gamecube controller's "click" of fully pulling the triggers.
(There is an additional physical button in the GC controller's triggers, you can hear the click)
Setting the value to something around 90% is sane.
(There is an additional physical button in the GC controller's triggers, you can hear the click)
Setting the value to something around 90% is sane.