Ugqithiso lwenjongo ngokubanzi{{0} licandelo lombane elisetyenziswa kakhulu kulawulo lwesekethe. Iimpawu zayo eziphambili kukuguquguquka okuphezulu, ukuthembeka okuphezulu, ukuchaneka kokulawula okuphezulu, ukuguquguquka okunamandla, kunye nobukhulu obuncinci.
I-general{{0}i-relay yenjongo licandelo lombane eliqhelekileyo elisetyenziselwa ukulawula isignali yombane kwisekethe ngokuyivula okanye ukuyivala, ngaloo ndlela iqhagamshela okanye iqhawule isekethi.
Ugqithiso lwenjongo jikelele{{0} sisixhobo solawulo sombane esisebenzisa isimo sokutshintsha kophawu oluphumayo ngokulawula umqondiso wongeniso. Injongo ngokubanzi-yereyikhi idla ngokuba nekhoyili, uqhagamshelwano, kunye nombindi wentsimbi. Xa i-coil ivuyiswa ngoku, ivelisa intsimi yamagnetic, ibangela ukuba abafowunelwa bavale okanye bavule, ngaloo ndlela belawula umqondiso wombane kwisiphaluka. I-general{{5}i-relay yenjongo licandelo lombane eliqhelekileyo elisetyenziselwa ukulawula isignali yombane kwisekethe ngokuyivula okanye ukuyivala, ngaloo ndlela iqhagamshela okanye iqhawule isekethe.