Simple Question...

I know this question has been asked here before... but I can't remember where...
How do you change the the Airspeed Indicator in the hud to read MPH and not knots? and the same for when you hit Shift+Z but, I don't know what that's called ::) ;)
Brandon
How do you change the the Airspeed Indicator in the hud to read MPH and not knots? and the same for when you hit Shift+Z but, I don't know what that's called ::) ;)
Brandon