Ithelevishini enezindlela ezimbili

Ukusetshenziswa kokuhlanganiswa kwekhebula ku-TV enezindlela ezimbili kudlala indima yokudluliselwa kwesignali. Kuhlelo lwethelevishini olunezindlela ezimbili, isignali idinga ukudluliselwa kumadivayisi okugcina ngamanye ngezintambo. Ukuhlanganiswa kwekhebula kufaka phakathi izintambo nezixhumi. Ukukhethwa kwekhebula kufanele kusekelwe ezintweni ezifana nokuvama kwesignali, ibanga lokudluliselwa, ukuzivikela komsindo nokunye. Isixhumi siyingxenye ebalulekile yokuxhuma izintambo ndawonye, ​​futhi sidinga ukuba nokusebenza kahle kokuhambisa kanye nokusebenza okulwa nokuphazamiseka ukuqinisekisa ikhwalithi yokudluliselwa kwesignali. Kuhlelo lwe-TV olunezindlela ezimbili, ukukhethwa nokufakwa kwezixhumanisi zekhebula kunethonya elikhulu kwikhwalithi yesignali. Uma ikhebula lingakhethwanga kahle noma uxhumano lungaqinile, kuzoholela ekulahlekelweni kwesignali, ukukhuluma ngokuphambene, umsindo nezinye izinkinga, okuthinta umbono womsebenzisi kanye nokuhlangenwe nakho kwakhe.