Beka umbane omncinci kumboniso wakho we-digital
Ukuba usebenzisa i-antenna ngoko ngoku uye wambona ulwahlulo phakathi kwe-analog ne-digital yedivishini - iskrini esibanzi, iinombolo zomzila kunye neendawo zokugqibela, ukusetyenziswa kwebhokisi yokuguqula iDTV, njalo njalo.
Kukho olunye umehluko, umehluko ongabonakaliyo, yiyo yimbangela yokulahleka okanye ukungathobeliyo kunye nenkqubo entsha yomguquleli we-Federal Communications Commission (FCC).
Ingumqondiso we-digital digital.
I-Analog v. I-Digital Signal
Ukunikezelwa kweemeko ezifanayo, i-signal ye-digital ye-TV ayiyi kuhamba ukuya kumboniso we-analog TV kuba iingxaki zomhlaba zithintela ngaphezu kwe-analog. Izinto ezichaphazela ukumkelwa ziquka uphahla, iindonga, iinduli, imithi, umoya, njl.
Isibonakaliso sedijithali sikhathazeke kangangokuba umntu ohamba phambi kwayo unganqamla ngaphandle. Xa kuthelekiswa, uphawu lwe-analog lufana ne-roach. Kuya kuthatha okungaphezulu komntu ohamba phambi kwe-antenna ukulahla uphawu.
Imilinganiselo yembali kukuba ukuze ufumane umfanekiso olungaphezulu-moya-moya ufuna uphawu oluhle olungena kwi-tuner yeTV, nokuba ingafumaneka kwi-TV okanye kwibhokisi yokuguqula idijithali . Ingxaki kukuba ukulahleka kwempawu kukukhathazeka nge-TV yedijithali.
Kwezinye iimeko, unako ukwenza konke okulungileyo kwaye ungenakufumana uphawu. Okanye, unako ukulahleka kwetyala xa i-digital digital signal isuka kwi-antenna ukuya kwi-tuner.
Naluphi na umzekelo, ukukhulisa okanye ukukhulisa umqondiso kukulungiswa kwimeko yakho yokumkela.
Ngaba Ufuna ukulungiswa?
Imigaqo ephambili yokukhulisa kukuba unesignali esele ifunyenwe yi-antenna. Ukuba i-antenna inesignali, ukuphakanyiswa kunokuba yonyango lokulahlekelwa kwempawu. Ukuba akunjalo ukukhulisa ngokuqinisekileyo ayiyi kulungisa ingxaki yakho.
Ukutshintsha i-Digital Digital Signal
Ukugqitywa ngumbono okhohlakeleyo. I-CEO ye-AllAmericanDirect.com, uMike Mountford, wachaza kakuhle xa efanisa ukukhulisa isignali ye-digital ye-digital ukuxhuma umbhobho ekupheleni kwe-hose ukuze kuphuculwe amandla angcono.
Kwimbali yakhe, i-antenna ngaphandle kokukhulisa ifana ne-hose kunye nokukhwela kokukhanya okuvela ekupheleni. Kuphela, le nto ayikho inamandla kakhulu xa ihlambalaza, kodwa ukususela kwinqanaba ungasebenzisa umbhobho ukwandisa uxinzelelo lwamanzi ngokunciphisa inani lamanzi eliphuma ekupheleni. Umbhobho uza kuba nefuthe elinamandla kunokuba ungenawo.
Kulo mzekelo umbhobho umplifizi kunye namanzi ngumqondiso we-digital. I-amplifier isebenzisa ugesi ukuba isebenzise isalathisi seTV kwaye uyithumele ngendlela yayo ngokukhulisa umbane. Oku kuvumela isibonakaliso seDTV ukuba sihambe phambili ngamandla angaphezulu, okufuneka sinikeze umfanekiso ohambelana.
Ukupakisha akuyilo ukulungiswa okuqinisekileyo kuyo yonke imeko engamkelekanga yeTV kodwa uyona ukhetho. Kwakhona akunjalo ukufumana umqondiso weTV xa umntu engekhoyo-oko kuthetha ukuba i-amplifier ayinyuli uluhlu lwe-antenna. Inika nje isalathisi sishiye endleleni yayo ukusuka kwi-antenna ukuya kwi- digital tuner (iTV, i-DTV converter, njl). Ndiyathemba ukuba, le ntshukumo yanele ngokwaneleyo ukufumana uphawu oluhle kwi -tuner yeTV .
Iimveliso eziguquguqukayo zibiza ngokugqithiseleyo kuneemveliso ezingenziwanga. Ngoko, kukusoloko kukuhle ukujongana neengxaki ezithile ezingakhokelela ekulahlekeni kwempawu ngaphambi kokuba uye esitolo kwaye uchithe imali yakho kwimveliso enokuthi ingayilungisi umcimbi wakho wokumkela.
Iingxaki zokufumana iingxaki ngaphambi kokuba kulungiswe i-Digital Digital Signal
Ngaba usebenzisa i-splitter, i- modulator ye-RF okanye i- A / B ? Ezi ziyinxalenye eziqhelekileyo kwaye abaninzi abantu basebenzisa, ingakumbi ukuba uzama ukubukela nokurekhoda iziteshi ezimbini ngebhokisi le-DTV.
Ingxaki ngabo kukuba banciphisa amandla esignali yedijithali-oku kuthetha ukuba akunakunzima ukushiya icandelo njengoko lingena kulo. Ukugqitywa kwempahla kunokunyusa isibonakaliso ngaphezu kwinqanaba elincinci lezinto ezifunekayo ukuvelisa umfanekiso omhle.
Ukuba usebenzisa i- antenna yangaphandle , jonga uhlobo lwentambo ye-coaxial exhunywe phakathi kwe-antenna kunye nomgca ongena endlwini. Ikhebula lakho le-coaxial lingaba yimbangela yesigxina esimpofu esiza endlwini.
Eli lahleko lentsingiselo libhekiswa njengento yokulinda, okuyiyo imilinganiselo yokulahlekelwa kwegama kumgama. Kwimeko yee-coaxial cables, sibhekisela kwi-RG59 no-RG6. Ukubeka nje, i-RG6 inobuninzi bedijithali kuneRG59.
Ngamanye amagama, i-RG59 igxininisa ngaphezulu okanye inokulahleka kwetayitili ngaphezu kwe-RG6. I-cable ye-RG59 ingaba yimbangela yesalathisi sakho esibi. Ukutshintsha ikhebula yakho kwi-RG6 (ngokukhethekileyo i-RG6 ekhuselekileyo ene-gold-plated connectors) ingalungisa inkinga yokuwamkela ngaphandle kokusebenzisa i-amplifier.
Ewe, ukuthenga umkhiqizo ophuculweyo mhlawumbi kulula kunokuba ushintshe ikhebula coaxial endlwini yakho.
I-antenna yakho yangoku ingaba yeso sizathu somfanekiso osweleyo. I-Mountford ithi ezinye i-antenna zingasebenzisa ukufikelela kwi-50% engaphantsi kweenkqubo zokusebenzisa i-digital digital signals v.
Iseluleko seMountford malunga nokuphanda imiba ye-antenna ifana neyami-iya kwi- Antenna Web kwaye usebenzise i-intanethi ye-intanethi ukuhlalutya ukuhanjiswa kwe-TV kwindawo yakho. Ungase uzame ukulungisa kwakhona i-antenna, kodwa kungekhona emva kokuya kwi-Antenna Web ukufumana izilungelelwano zakho ngqo apho ungayichaza khona.
Ukuthenga i-Amplifier
Amaplifiers okanye ama-signal boosters zixhaphake kakhulu kwiintennas, kodwa ungazizithenga njengemveliso yedwa yedwa. Ukupakishwa komkhiqizo kuvame ukupapasha i-antenna enokukhuliswa okanye enikwe amandla. Ukuba ubona umlinganiselo weDB ngoko uyazi ukuba ukhuliswa.
Xa ufumana ukucebisa iingcebiso, njengokuba unako ukukhupha izityalo zamanzi, unokukwazi ukukhulisa i-tuner ye-digital. Kufana nokubetha izithethi ze stereo ngokuguqula umthamo kakhulu.
Inxalenye enzima kukuba kunzima ukulinganisa into enamandla kakhulu kwi-tuner yakho. Ezinye iingcali endizithethileyo ukuncomela ukukhulisa malunga ne-14db. Ukuba unako ukuthenga umkhiqizo olungiselelwe izicwangciso zeDB.
Ukuba uthengela i-antenna ephuculweyo, qiniseka ukuba uye kwi-Antenna Web ukuqinisekisa ukuba i-antenna yakho idibene ngokufanelekileyo phambi kokuxhuma amandla.