The manual describes how to use item 62. The instructions emphasize that no adjustments need to be made for bullet trajectory or wind, as these are not important at distances within the weapon's effective range.
These documents must not fall into anyone else's hands, as they would be of great interest to USS analysts.In-game description
The Manual for item 62 is a document in S.T.A.L.K.E.R.: Call of Pripyat.
The document is one of six optional documents of the Laboratory X8: find documents concerning experiments mission and can be found at the north end of Lab X8 level 3 (one level below the start). The document can only be reached after defeating three Burers and is in the same location as Report on study of samples.