Shepherd scope question

[Bottom Gun]

I just picked up a rifle with a Shepherd 2.5-7.5x40 scope. This is my first experience with the Shepherd scopes. I have been trying to find a manual or some instructions on how to best use this dual reticle system. Can anyone help me out?
Thanks!!!!!

 

[rcmodel]

http://www.shepherdscopes.com/oneshot.asp

http://www.shepherdscopes.com/range.asp

http://www.shepherdscopes.com/windage.asp

rc

 

[Bottom Gun]

Perfect. Thanks for the great info!!!!!