Uma isignali yamanje ebuthakathaka kanye nokwehluleka kokudluliselwa kwephampu yokuqalisa umugqa oqinile kanye nokwehluleka kwesekethe yesibili kanye nokwehluleka kukagesi kwekhabhinethi yokulawula iphampu yomlilo kungabangela ukuthi iphampu yomlilo iqale ngokuzenzakalelayo noma ngesandla, ngakho-ke uma kwenzeka isimo esiphuthumayo somlilo, lesi sihloko sibeka ukuthi uma nje ukunikezwa kwamandla kujwayelekile, kungakhathaliseki ukuthi umlilo unjani. Uma isekethe yokulawula ekhabhinethi yokulawula iphampu yonakele, iphampu ingaphoqeleka ukuthi iqale ngqo ukuqinisekisa ukuthi ukulwa nomlilo kufika ngesikhathi. "Idivayisi yokuqala isimo esiphuthumayo semishini" iyidivayisi eshayela ngqo iphampu yomlilo ngedivayisi yokuxhumanisa yemishini.