It doesnt give the volume controls to those keys after running the script

Hello all , I have been trying to remap my volume keys to my prtscr , scroll lock ,and pause break .. i cant seem to get them to launch , my keyboard has them locked to fn +,f2,f3,and f4 .... (f2 vol-,f3vol+, f4 mute) can anyone assist in remapping these to the correct 3 keys. #NoEnv SetWorkingDir %...