Njengomthombo wamandla osekelayo, isethi yejenereyitha yedizili ezenzakalelayo kufanele ibe nemisebenzi eyisisekelo elandelayo:
(1) Ukuqala okuzenzakalelayo
Uma kukhona ukwehluleka kwe-mains (ukwehluleka kwamandla, ukungabi namandla kagesi, ukudlula kwamandla kagesi, ukulahleka kwesigaba), iyunithi ingaqala ngokuzenzakalelayo, ikhuphule isivinini ngokuzenzakalelayo, ivale futhi ivale ngokuzenzakalelayo ukuze inikeze amandla emthwalweni.
(2) Ukuvala okuzenzakalelayo
Uma amapayipi amakhulu eselulama, ngemva kokubona ukuthi kuyinto evamile, iswishi ilawulwa ukuze kuqedwe ukushintsha okuzenzakalelayo kusuka ekukhiqizeni ugesi kuya kumapayipi amakhulu, bese iyunithi yokulawula izoma ngokuzenzakalelayo ngemva kwemizuzu emi-3 yokunciphisa ijubane nokusebenza kungasebenzi.
(3) Ukuvikelwa okuzenzakalelayo
Ngesikhathi sokusebenza kweyunithi, uma ingcindezi kawoyela iphansi kakhulu, isivinini siphezulu kakhulu, futhi i-voltage ingavamile, kuzomiswa isimo esiphuthumayo, bese kukhishwa isignali ye-alamu ezwakalayo nebonakalayo ngesikhathi esisodwa. Kukhishwa isignali ye-alamu yomsindo nokukhanya, futhi ngemva kokulibaziseka, kuvalwe okuvamile.
(4) Imisebenzi emithathu yokuqalisa
Iyunithi inomsebenzi wokuqala kathathu, uma ukuqala kokuqala kungaphumeleli, ngemva kwemizuzwana eyi-10 yephuza ukuqala futhi, uma ukuqala kwesibili kungaphumeleli, ukuqala kwesithathu ngemva kokulibaziseka. Uma nje okukodwa kokuqala kathathu kuphumelele, kuzosebenza ngokwesimiso esisethwe ngaphambilini; Uma ukuqala kathathu kulandelana kungaphumeleli, kubhekwa njengokwehluleka ukuqala, ukukhipha inombolo yesignali ye-alamu ezwakalayo nebonakalayo, futhi kungalawula nokuqala kwenye iyunithi ngesikhathi esifanayo.
(5) Gcina ngokuzenzakalelayo isimo sokuqala kwe-quasi
Iyunithi ingagcina ngokuzenzakalelayo isimo sokuqala. Ngalesi sikhathi, uhlelo lokuphakelwa kwamafutha oluzenzakalelayo lweyunithi, uhlelo lokushisa lwamafutha namanzi oluzenzakalelayo, kanye nedivayisi yokushaja yebhethri ezenzakalelayo iyasetshenziswa.
(6) Ngomsebenzi wokuqalisa wokulungisa
Uma iyunithi ingaqali isikhathi eside, ibhuthi yokulungisa ingenziwa ukuhlola ukusebenza kweyunithi kanye nesimo sayo. Ukuvula amandla okulungisa akuthinti ukunikezwa kwamandla okuvamile kwamapayipi amakhulu. Uma kwenzeka iphutha lamapayipi amakhulu ngesikhathi sokuvula amandla okulungisa, uhlelo lushintshela ngokuzenzakalelayo esimweni esijwayelekile futhi lunikwa amandla yiyunithi.