HARDINGE BAR FEEDER

I HAVE A HARDINGE CONQUEST T 51 WITH HAR MATIC BAR FEEDER SEVEN 65 HERE IS THE BAR FEED MACRO PROGRAM O9990 (PRGRM NUMBER) #8750=1, G97S#20831 M13, GOOT0G30U0W0, T#20828, X0Z.1, Z[ABS[#20829]], G4U.5, M21, G4U.2, G1G98Z#20830F100., G4U.5, G0T0G30U0W0, M99, MY QUESTION IS HOW CAN I CHANGE TO WHERE IT RAPIDS AND FEEDS TO OR FIND THE # THE 20828, 20829, 20830, 20831 THANKS