O le faʻataʻitaʻiga faʻataʻitaʻiga e faʻavae i luga o le faʻapipiʻiina o le sima le vanadium oxide infrared detector e atiaʻe ai se faʻataʻitaʻiga faʻataʻitaʻiga vevela infrared, o oloa e faʻaogaina le faʻaogaina o fesoʻotaʻiga numera, faʻaoga e mauoa, faʻafeiloaʻi avanoa i le tele o tulaga faʻatautaia atamai, ma le maualuga o le faʻatinoga ma le mana maualalo. taumafa, volume itiiti, faigofie i uiga o le tuufaatasia atinae, e mafai ona ausia le faaaogaina o ituaiga eseese o infrared fuaina vevela o manaoga atinae lona lua.