O le faʻataʻitaʻiga faʻaaliga atamai e tasi-loop e talafeagai mo le fuaina ma le faʻatonutonuina o vevela eseese, mamafa, maualuga vai, umi, ma isi. Faʻaaogaina o se microprocessor mo gaioiga faʻafuainumera, e mafai ona faʻatinoina le faʻasaʻoina o laina laina maualuga i luga o faʻailoga eseese.
O le fa'aaliga fa'aaliga malamalama koluma ta'itasi ta'itasi e fa'apipi'i fa'aaliga fua fa'afuainumera ma fa'aaliga fua fa'atusa.E faʻaaogaina le faʻaaliga LED numera e faʻaalia saʻo ma faʻatautaia le fuaina o taimi moni;i le taimi lava e tasi, e faʻaaogaina le maualuga-saʻo 40-laina malamalama koluma faʻaalia e faʻaalia manino ma faʻaalia le faʻatatauina o taimi moni.Ina ia faʻatusatusa i isi fua faʻatatau faigofie ma faʻaogaina.