First off, welcome to the forum. When you have an oppurtunity, stop by the "Introductions" section.
Normally, the "elevator" will be set that as the "elevator" is moved towards the muzzle, the sight will raise. Numrich may have a schematic. Check out their website.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)