Picture is worth a thousand words - suggest you have a go at this shareware http://www.chairgun.com/
You can set an optimal KZ of say 3/4 '' put in your pellet type and muzzle velocity and scope height and if you use the optimum zero range feature it will give you your first and second zero. Hours of fun.
You can set an optimal KZ of say 3/4 '' put in your pellet type and muzzle velocity and scope height and if you use the optimum zero range feature it will give you your first and second zero. Hours of fun.