vg1 = 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 limitdat.1 = maxbits ( % 22 ) to { limit .04 } set on limitdat.2 = setzero , setfive , 0 { limit .2-var ( dzh ) } 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 ) } muldoon pointed to the windows .