Yin amfani da ƙa'idar ma'aunin zafin raƙuman sauti na saman, bayanan zafin jiki cikin abubuwan siginar mitar kalaman lantarki. Ana shigar da firikwensin zafin jiki kai tsaye a saman abubuwan abubuwan da aka auna yanayin zafin jiki, yana da alhakin karɓar siginar mitar rediyo, da mayar da siginar rediyo tare da bayanin zafin jiki ga mai tarawa, lokacin da firikwensin zafin jiki yana aiki akai-akai, baya buƙatar ikon waje. wadata kamar baturi, CT madauki wutar lantarki. Ana samun isar da filin siginar tsakanin firikwensin zafin jiki da mai tara zafin jiki ta igiyoyin lantarki mara waya.