gennaro said , arnold pointed to the screen : vgl = gethandl { dat.dt } tempcall { itm.temp } vg2 = gethandl { dat.itl } tempcall { itm.temp } if link ( vgl , vg2 ) set lim ( vgl , vg2 ) return if link ( vg2 , vgl ) set lim ( vg2 , vgl ) return on whte_rbt.obj link set security ( vgl ) , perimeter ( vg2 ) limitdat.1 = maxbits ( % 22 ) to { limit .04 } set on limitdat.2 = setzero , setfive , 0 { limit .2-var ( dzh ) } on fini.obi call link.sst { security , perimeter } set to on on fini.obi set link.sst { security , perimeter } restore on fini.obi delete line rf whte_rbt.obj , fini.obj vgl = gethandl { dat.dt } tempcall { itm.temp } vg2 = gethandl { dat.itl } tempcall { itm.temp } iimitdat.4 = maxbits ( % 33 ) to { limit .04 } set on limitdat.5 = setzero , setfive , 0 { limit .2-var ( szh ) } `` that 's it , '' arnold said , pleased .