Mcculloch Pro Mac 800 Newbie Carb Adjustment Question

[Degull]

Hi everyone. I finally got my Dad's old saw in running order again. I have a carb adjustment question. I'm assuming you adjust the low and high screws one full turn out from closed and then fine tune idle and high speeds. Where do I start with the screw that holds the throttle open? It's a Zama C2 carb. Thanks!

 

[Biker Dude]

I usually go 1 turn in from where the screw tip touches the throttle stop.