DELL'ORTO FHBB Mixture Screw Setting

I have a V50 Automatica with DELL'ORTO FHBB carb. Does anyone know the mixture screw initial setting. I took it out to clean it. Should it be  2 1/2 turns out to start?

Hi dude

 

basically it´s 1 and a 1/2 out to start 

 

 

 

cheers