Parameters in IEASYSxx

          GRS=            {JOIN      }
                          {START     }
                          {TRYJOIN   }
                          {NONE      }
                          {STAR      }
          GRSCNF=xx
          GRSRNL=         {xx        }
                          {(xx,yy... }
                          {EXCLUDE   }
          SYSNAME=name