Iziteshi zedijithali zihambile: kutheni umabonwakude wedijithali engabonakali kwaye wenze ntoni ukuba akukho mqondiso

Ifomati kamabonakude wedijithali ithetha umfanekiso ongcono kunye nesandi, kodwa eneneni, abasebenzisi bahlala bejongana neengxaki ezininzi, enye yazo kukuphazamiseka kwesiginali yedijithali. Kutheni amajelo edijithali enyamalala, kwaye wenze ntoni ukuba umabonwakude wedijithali akabonisi .

Umgaqo wokufumana amajelo edijithali eTV

Ngaphandle kwento yokuba umabonwakude wedijithali sele ekhona mva nje, ifumana ukuthandwa ngakumbi, njengoko umsebenzisi efumana imifanekiso ephezulu kunye nesandi. Kwakhona, i-pluses ibandakanya into yokuba kunokwenzeka ukudibanisa iinkqubo ezongezelelweyo, imisebenzi kunye nokusebenzisa i-TV edibeneyo.
Umgaqo wokusebenza kwetheknoloji ilula – i-audio encoded kunye nevidiyo yesignali ingena kwi-TV ngokusebenzisa i-eriyali kumlambo okhethekileyo, kwaye sele ihlanjululwe kwi-TV ngokwayo, kwaye umsebenzisi ufumana umfanekiso ophezulu. Ulwamkelo losasazo lwedijithali lwenziwa ngeendlela ezininzi:

• usasazo – umfanekiso ufunyenwe ngeenqaba eziphindaphindayo;
• i-satellite – unokubukela inani elikhulu leziteshi, kodwa ufuna isitya esikhethekileyo;
• ikhebula – isetyenziswe kwizakhiwo zokuhlala, umqondiso uhanjiswa nge-antenna ehlangeneyo.

Izizathu zokuba amajelo anyamalale kumabonakude wedijithali

Kukho iimeko xa iziteshi zeTV zinyamalala ngokukhawuleza okanye emva kokuvula iTV – enye, ezininzi okanye zonke ngaxeshanye. Kukho izizathu ezininzi zokuba oku kunokuba njalo.

I-TV ayiwafumani onke amajelo edijithali

Kutheni onke amajelo edijithali ephela:

1. Uphawu oluvela kwinqaba yeTV lubi izixhobo ezikhethiweyo , yingakho iTV ayifumani ukwamkelwa.
2. I- eriyali engalunganga ikhethiwe . Khetha i-eriyali esekelwe kwiimeko zomgama ukusuka kwinqaba yeTV. Ukuba umgama u-3-7 km, unokushiya enye yangaphakathi, ngaphandle koko, fumana i-antenna yangaphandle enamandla kunye ne-amplifier efanelekileyo.
3. Ukuqhagamshela i-digital set-top box kwi-TV yedijithali . Kunye, esi sixhobo asisebenzi ngokwaneleyo, izixhobo zihlala ziqala ngokutsha, kwaye useto luyalahleka.
4. Abafowunelwa kwi- amplifier bafakwe i-oxidized . Ichaphazela ngakumbi ii-eriyali zesitalato, ngakumbi ukuba ubomi babo benkonzo bude ngokwaneleyo. I-amplifiers yezinye ii-eriyali yibhokisi yeplastiki elula apho amanzi angena ngokukhululekileyo, nto leyo ebangela i-oxidation. Iimeko ezinjalo zifanele ziphetshwe.
5. Isiseko esikhethwe ngokungachanekanga frequency yolwamkelo lomqondiso . Undoqo wenkqubo kukufumana i-transmitter yosasazo ekufutshane nendlu, ekuvumela ukuba ufumane umqondiso onamandla. Ke ngoko, qiniseka ukuba i-frequency yolwamkelo lomqondiso yeyona ifanelekileyo kwindawo yakho.
6. Ubukho bokuphazamiseka kwi-GSM kunye ne-LTE . Ngoku kukho iinqaba zefowuni ezininzi kuneeTV, ngoko zinokuphazamisana nomqondiso. Ungayilungisa le nto ngokuthenga isihluzi esikhethekileyo esikhusela kwiimpawu ze-GSM kunye ne-LTE. Idityaniswe njengomthetheli phakathi kwesixhobo se-eriyali kunye ne-TV.
7. Ukunqongophala kwenkxaso ye-DVB-2 . Ukuba iTV okanye i-set-top box ayiwuxhasi lo mgangatho, i-multiplex yesibini yamajelo ayiyi kubonisa – awuyi kuyifumana.
8. Amaxesha amaninzi iingxaki zinxulunyaniswa neemeko zemozulu . Kwimimoya enamandla okanye iindudumo, umqondiso uwohloka kakhulu, ngenxa yokuba uphawu lukamabonakude wedijithali luyanyamalala kwaye amajelo alahlekile. Ngokuqhelekileyo, emva kokuqheleka kweemeko zemozulu, yonke into ibuyela kwisiqhelo.
9. Indawo yokufumana ifumaneka kwintlambo kwaye umqondiso ubhabha phezu kwe-antenna . Ungayilungisa le meko ngokuhambisa i-antenna eluphahleni lwendlu okanye ukuyilungisa kwi-mast eyahlukileyo.

Uphawu lukamabonakude wedijithali luyanyamalala, zithini izizathu kunye nokuba wenze ntoni: https://youtu.be/lTEupuNxpJA

Awukwazi ukukhetha amajelo amaninzi

Qwalasela ezona meko zixhaphakileyo apho amajelo akwibhokisi yedijithali anyamalale ngokuyinxenye kuphela:

1. Umbhalo malunga nokufakwa kweekhowudi kwitshaneli ye-DRE uvela kwiscreen seTV . Oku kwenzeka ukuba i-set-top box icinyiwe ixesha elide – isixhobo kufuneka sisebenze kwimowudi eqhelekileyo kwiiyure ezimbalwa ukwenzela ukuba ungqamaniso lwenzeke, emva koko zonke iitshaneli zibuyiselwe.
2. Umyalezo malunga nobukho betshaneli ehlawulwayo uvele kwiscreen . Ukuba ngokwenene unawo amajelo ahlawulelwayo, wandise umsebenzi ngentlawulo. Ukuba eso saziso sivela kumajelo asimahla, qhagamshelana nomboneleli wakho.
3. Isoftware ayihambelani ne-GS-HD umamkeli . Ungalungisa oku ngokuya kwimenyu kwaye uvule isitshixo sokubuyisela uluhlu lwesitishi.
4. Umamkeli akabhaliswanga . Kukho inombolo yesazisi ngasemva kwesixhobo. Ukusebenzisa ikhompyutha, yiya kwiwebhusayithi ye- Tricolor TV , emva koko faka idatha efunyenwe kumnikezeli ukubhalisa.

Yintoni omawuyenze ukuba amajelo akumabonakude awasekho?

Ukuba itshaneli zedijithali azikho, ungazama ukuzishuna ngokwakho okanye usebenzise ukushuna okuzenzekelayo. Funda i-algorithm jikelele yezenzo, kuba kungakhathaliseki ukuba yintoni imodeli yeTV yakho, umgaqo wokuseta uyafana. Into ephambili kukufunda ngokucophelela oko kubhaliweyo kwisikrini.

Ulungelelwaniso oluzenzekelayo lolwamkelo lwetshaneli

I-algorithm eqhelekileyo yezenzo ngexesha lokulungisa ngokuzenzekelayo:

1. Thatha i-remote control, cinezela iqhosha elithi “Menu”, khetha i-“Options” – icandelo elithi “Auto-tuning”.
2. Uya kubona ifestile kunye noluhlu lwemithombo yesignali – i-antenna okanye intambo. Khetha “Cable” kwaye nqakraza “Qala”.
3. Ifestile enoluhlu lwemithombo yolwazi iya kuvela kwiscreen seTV. Fumana “Digital” kwaye nqakraza “Qala”.
4. Yiya kwicandelo leNdlela yokukhangela. Khetha i-subcategory “Egcweleyo” kwaye ugcwalise iindawo ezifunekayo ngesandla ngolwazi olulandelayo:
   • ukumodareyitha – 256 QAM;
   • frequency – 314 MHz;
   • izinga lokutshintshela – 6875 kS\s.

Emva kokulungiswa kwimo ezenzekelayo, uya kuba malunga namatshaneli angama-20 kwinkcazo ephezulu. Ukuba kuphela i-10 kuma-20 afunyenweyo, sebenzisa ukukhangela ngesandla.

Ukusetwa ngesandla

Ukusetwa ngesandla kuqulathe ezi zinto zilandelayo:

1. Yiya kwimenyu ephambili.
2. Fumana i-sub-item “Ulungiso lwezandla”.
3. Faka idatha evela kumboneleli kwindawo evelayo.
4. Qala ukukhangela.
5. Emva kokuba itshaneli nganye ifunyenwe, cofa iqhosha elithi “Okulandelayo”.

Kwenzeka ukuba kufuneka wenze utshintsho kuluhlu lwedijithali ukwenzela ukuba uphucule umgangatho womfanekiso. Ulungelelwaniso lwezandla luthatha ixesha elingaphezulu kunolo oluzenzekelayo, kodwa uya kukwazi ukulungisa kakuhle ijelo ngalinye.

Iimpawu zoseto lwetshaneli ngokuxhomekeke kwimodeli yeTV

Imodeli nganye yeTV ine-firmware yayo yefektri kunye nokusebenza komntu ngamnye. Qwalasela indlela yokuseta amajelo kwezinye iimodeli.

Iitshaneli zeDijithali zanyamalala / azibanjwanga kwi-Samsung TV-indlela yokuseta

Ukuseta amajelo edijithali uninzi lweemodeli ze-Samsung, landela la manyathelo:

1. Cinezela iqhosha elithi “Menu” kwisilawuli kude, emva koko imenyu yeTV iya kuvula.
2. Khetha “Itshaneli” – “Ilizwe” kwimenyu.
3. I-TV iya kukucela i-PIN khowudi. Ukuba awuzange wayisebenzisa ngaphambili, faka u-0000. Ukufumana iiparamitha zokukhangela eziyimfuneko, qiniseka ukuba uno “Okunye” kumgca “Ilizwe”.
4. Cwangcisa imenyu “Channel” – “Antenna” parameter “Cable”.
5. Vula imenyu ethi “Ukhetho lokukhangela lweCable” kwaye usete:
   • ukuqala rhoqo 298,000 kHz;
   • isiphelo frequency 362,000 kHz;
   • izinga lothumelo 6 952 Ks/s;
   • ukumodareyitha 256 QAM.
6. Vula “Ukuseta ngokuzenzekela”. Umthombo wesignali – “Ikhebula”, uhlobo lwamatshaneli – “Idijithali”.
7. Khetha uhlobo lwetshaneli ngokubona kwakho – nokuba yi “Digital” kuphela okanye “iDigital + analog”.
8. Seta imowudi yokukhangela kwiNethiwekhi.
9. Cofa iqhosha elithi “Khangela”.

Emva kokukhangela ngokuzenzekelayo, uya kufumana zonke iitshaneli zedijithali ezikhoyo kwinethiwekhi yentambo, kodwa unokubukela kuphela ezo zibandakanyiweyo kwiphakheji yakho.

Apha ngezantsi ngumyalelo wevidiyo wokuseta amajelo edijithali kwi-Samsung TV: https://www.youtube.com/watch?v=Uh9YgK5agL0

Ukuseta amajelo kwi-LG TVs

Ukuseta iiTV ze-LG ngolu hlobo lulandelayo:

• cofa iqhosha elithi “Menu” kwisilawuli kude;
• khetha “Iinketho” kwaye nqakraza kwiiparamitha ezifunwayo zokutshintsha (umzekelo, kwicandelo elithi “Ilizwe”, khetha iFinland okanye iJamani);
• yiya kwinto ethi “Useto” kwaye ukhethe ukukhangela ngokuzenzekelayo, khankanya uqhagamshelo lwekhebula;
• Gcwalisa ifestile evela ngokwemiyalelo onayo.

Ungasebenzisa uhlaziyo oluzenzekelayo lwamajelo eTV, eli nqaku lifumaneka kwi-LG. Ngenxa yoko, uluhlu lwangaphambili luya kulungiswa kwaye amajelo aya kulungiswa ngokulandelelana okutsha.

Philips

Qwalasela useto lwePhilips TV:

1. Ngeqhosha lemenyu kulawulo olude, ngenisa icandelo elithi “Uqwalaselo”.
2. Cofa kwindawo ethi “Ufakelo”.
3. Emva kokuba kuvele imenyu yesibini, khetha ukuseta isitishi.
4. Enye imenyu yesibini iya kuvela. Khetha Useto oluzenzekelayo.
5. Ukuba utshintsho lwenziwe ngokuchanekileyo kwaye ngokungaguqukiyo, umyalezo uya kuvela ochaza ukuba amajelo ngoku aya kuhlaziywa.
6. Cofa “Qala”.

Inkqubo ibeka amajelo ngokwayo. Emva kokugqiba, akukho mfuneko yokuba wenze enye into. Zininzi izizathu zokuba kutheni amajelo edijithali ayeke ukusasaza kwaye akukho signali kamabonakude wedijithali, kodwa phantse zonke zinokusonjululwa ngokwakho. Into ephambili kukugqiba ukuba yintoni eyona nto iphosakeleyo. Akukho ngxaki ngokuseta okulandelayo nokuba, kuba zonke iisetingi ziyafana, kwaye unokufumana ulwazi oluyimfuneko nokuba kumboneleli okanye kwimiyalelo yeTV.