TVs tau dhau los ua ib feem tseem ceeb ntawm sab hauv ntawm ib chav tsev, lawv tsim lawv tus kheej tshwj xeeb, qhov chaw nyob hauv tsev. Nrog lawv cov kev pab, peb lom zem peb tus kheej nyob rau yav tsaus ntuj ntev, kawm txog cov xwm txheej tshiab hauv ntiaj teb no thiab so nrog pab pawg phooj ywg. Thiab tam sim no, nrog LCD thiab plasma TVs, peb tsis tuaj yeem saib peb cov yeeb yam nyiam xwb, tab sis txaus siab rau nws ua tsaug rau daim duab siab.
Txawm li cas los xij, tsis yog txhua "TV lub thawv" tuaj yeem ua rau peb txaus siab nrog cov duab meej. Txawm hais tias koj muaj cov khoom siv ntshav los yog LCD, koj yuav xav tau lub receiver rau koj lub TV, yam tsis muaj qhov koj tsuas tuaj yeem tau txais cov teeb liab digital. Nyob rau hauv no hais txog, lo lus nug ntawm yuav ua li cas xaiv ib tug receiver yog heev pom tseeb. Yog li ntawd qhov kev yuav khoom tsis ua rau koj poob siab, koj yuav tsum kawm tag nrho cov nuances.
Tus txais yog dab tsi?
Tus txais yog ntau lub tshuab hluav taws xob nrog cov tshuab txiav tawm rau cov suab thiab cov yeeb yaj kiab. Ua ntej, thaum CRT TVs yog qhov ntau tshaj plaws, kev tshaj tawm yog analog - cov ntaub ntawv raug xa tawm los ntawm TV pej thuam ze tshaj plaws. Rau xws li "TV thawv" qhov zooteeb liab tau txais thiab txaus kom tau txais ntau dua lossis tsawg dua cov duab zoo. Tsis muaj lub ntsiab lus hauv kev txhim kho kev tshaj tawm ntawm cov suab thiab cov yeeb yaj kiab uas siv lub TV txais, vim nws tsis tuaj yeem muab cov duab zoo dua qub.
Tab sis hnub no, nrog rau qhov tshwm sim ntawm LCD thiab plasma TVs, txhua yam tau hloov pauv. Ua ntej, qhov screen kab pheeb ces kaum tau nce, thiab cuam tshuam, tib cov kab txaij grey-dub uas yav dhau los tsis tshua pom, pib ua rau daim duab tsis zoo. Qhov thib ob, cov ntaub ntawv pib nthuav tawm hauv binary code - tus lej 0 thiab 1. Li no lub tswv yim ntawm "digital TV". Tag nrho cov no xav tau kev tsim cov thev naus laus zis tshiab - digital, uas tsuas yog tus txais tuaj yeem pom tau.
Yuav xaiv tus txais li cas?
Tam sim no qhov nrov tshaj plaws thiab tau txais txiaj ntsig yog digital receiver rau TV hom DVB-T2. Feem ntau niaj hnub "TV lub thawv" twb muaj cov cuab yeej built-in ntawm hom no. Cov qauv zoo li no tau cim nrog lub logo tsim nyog - lub npe DVB-T2 ntawm lub cuab yeej nws tus kheej lossis ntawm lub thawv, lossis cov duab ntawm npauj npaim. Hauv lwm qhov xwm txheej, koj yuav tau txais cov khoom siv ntxiv.
Thaum xaiv lub thawv digital teeb tsa, qhov tseem ceeb tshaj plaws yog tias nws cov ntaub ntawv qhia tias nws lees txais DVB-T2 hom, vim tias muaj ntau yam kev tshaj tawm xov xwm tshaj tawm (DVB-C, DVB-T, DVB- S). Tsis tas li ntawd, nco ntsoov tias cov cuab yeej txhawb nqa MPEG-2 thiab MPEG-4 hom - cov ntsiab lus tseem ceeb thiab kev nthuav qhia siab heev.video ntaub ntawv. Nov yog ob yam tseem ceeb tshaj plaws uas koj yuav tsum tau ua kom paub tseeb ua ntej yuav.
paid lossis dawb channel?
Hnub no, cov xov tooj cua hauv TV tau muab faib ua encrypted (muaj rau cov neeg siv khoom) thiab pub dawb, uas txhua tus txais rau TV yog qhov tsim nyog. Yuav ua li cas xaiv lub thawv teeb saum toj kawg nkaus nrog kev txhawb nqa rau cov channel them nyiaj? Txhawm rau ua qhov no, koj yuav tsum ua kom paub tseeb tias muaj ib daim npav ntawm ntau yam encodings xws li Viaccess, Conax, DRE Crypt thiab lwm tus muab kev pabcuam. Nws yuav tsum nco ntsoov tias ib daim npav tsuas yog nkag mus rau qee cov channel xwb.
Yog tias koj npaj yuav hloov koj tus kws kho mob tom qab ib ntus thiab ua rau lwm qhov kev them nyiaj muaj rau kev saib, koj yuav tsum tau txais ib lub receiver nruab nrog lub qhov rau CI module. Hauv qhov no, koj tsis tas yuav hloov lub npe ua ntej txhua zaus koj tso npe rau npe tshiab. Yog tias koj tsis xav tias zoo li them nyiaj rau kev saib TV kaw, ces yuav ib lub TV txais digital tsis muaj cov modules. Tus nqi ntawm cov consoles no yog ib lossis ob txhiab qis dua.
Muaj kev cuam tshuam
Qhov muaj cov khoom txuas ntxiv, xws li USB, E-sata, Sata lossis HDMI, tso cai rau koj ua kom muaj txiaj ntsig zoo ntawm koj lub thawv teeb tsa. Txhawm rau txiav txim siab seb koj xav tau cov khoom txuas ntxiv, peb xav kom kawm seb lawv yog dab tsi rau:
- USB yog siv los txuas cov npav flash, xov tooj ntawm tes thiab lwm yam khoom siv los ntawm USB cable ncaj qha rau lub receiver. Raws li txoj cai, xws liset-top boxes muaj peev xwm ua si suab paj nruag, yeeb yaj duab thiab lwm yam ntaub ntawv los ntawm koj cov xov xwm.
- HDMI yog siv los txuas lub TV receiver rau lub TV rau lub laptop lossis PC, uas yuav ua rau nws tuaj yeem saib video yam tsis muaj qhov txuas nruab nrab ntawm daim npav flash. Koj tseem tuaj yeem siv tus connector no los txuas cov zaub ntxiv rau koj lub computer.
- E-sata, Sata yuav tsum txuas rau lub hard drive. Nws yog ib advisable mus yuav ib tug set-top box nrog xws li ib tug interface thaum koj npaj yuav sau TV tshaj tawm ntau zaus.
Qee qhov xwm txheej, tsuas yog tsis tas yuav muaj qhov cuam tshuam zoo li no, piv txwv li, yog tias koj yuav ib tus txais rau lub chaw ua haujlwm.
Ntxiv nta
Qee lub thawv teeb tsa tuaj yeem txuas rau Is Taws Nem. Kev yuav ib lub TV txais zoo sib xws rau koj lub TV yog tsim nyog tsuas yog yog tias koj yuav koom nrog hauv kev sib koom ua ke - tau txais kev nkag mus rau encrypted channels. Ntxiv rau qhov tseeb tias koj qhov "hacked" channel tuaj yeem tso tawm txhua lub sijhawm, koj tuaj yeem raug foob foob. Ib qho ntxiv feature yog kev kaw video. Raws li txoj cai, cov khoom siv zoo li no muaj qhov txuas hauv USB lossis E-sata txuas rau kev sib txuas cov khoom siv khaws cia.
Ntse
Dhau li ntawm cov chaw taws teeb tswj, cov haujlwm ntxiv ua rau hauv TV txais tuaj yeem yog:
- Kev tswj me nyuam - koj tuaj yeem thaiv qee cov channel uas paub rau koj nkaus xwbpassword.
- ncua sijhawm saib - koj yuav tuaj yeem "rov rov qab" qhov tshaj tawm los saib lwm lub sijhawm.
- Pause hom - nres qhov tshaj tawm thiab rov pib dua.
- TV qhia - koj yuav tau txais daim ntawv qhia kev pab cuam, nrog rau kev saib ua ntej ntawm ib qho yeeb yaj kiab thiab ua yeeb yam.
Qee lub cuab yeej yuav nruab nrog lub tshuab hloov pauv siab. Cov ntsiab lus ntxiv no hauv lub npov saum toj no yog siv los saib tib cov channel ib txhij ntawm ob lub TV.
Txuas lub receiver rau lub kav hlau txais xov
Muaj ntau txoj hauv kev los txuas lub npov saum toj kawg nkaus, thiab txhua yam ua tsaug rau ntau qhov sib txuas ntawm lub nraub qaum ntawm lub cuab yeej. Lawv kuj tuaj yeem siv los txuas lub receiver rau ob lub TV tib lub sijhawm. Tab sis ua ntej ntawd, koj yuav tsum txuas lub thawv teeb tsa nws tus kheej mus rau lub kav hlau txais xov lossis satellite tais. Raws li txoj cai, qhov no yog ua tiav los ntawm ib lub xov tooj cua tsis tu ncua, uas muaj tus pas tooj liab thiab cov hlau mesh.
Qhov no ua tiav raws li hauv qab no:
- Rwb thaiv tsev yog txiav los ntawm cov kab nrog qhov indent ntawm 1-1.5 cm ntawm ntug kom tsis pub tus pas tooj liab tag.
- Cov hlau mesh yog folded thiab sib npaug ntawm cov cable.
- Lub f-ntsuab yog ntsia hlau rau ntawm cov hlau npaj.
- Txuas cable rau lub thawv teeb tsa.
- Lwm kawg ntawm cable txuas nrog lub kav hlau txais xov tuned.
Tom qab ntawd, koj tuaj yeem xav tias koj lub TV txais tau npaj mus. Nws tseem tsuas yog txuas nws ncaj qha rauTV box.
Txuas lub thawv digital teeb-saum rau lub TV
Muaj ntau txoj hauv kev los txuas tus txais ncaj qha mus rau TV. Feem ntau, cov neeg siv mus rau SCART cable. Feem ntau ib txheej ntawm cov xov hlau tuaj rau hauv ib lub thawv nrog rau lub npe ua ntej. Lub hauv paus ntsiab lus ntawm kev sib txuas cov cuab yeej yog qhov yooj yim heev - lub plug txuas nrog lub receiver, thiab cov plugs tau muab tso rau hauv lub connector ntawm lub TV. Yog tias ob lub receiver thiab TV muaj HDMI interface, ces lawv tuaj yeem ua ke siv lub cable ntawm tib lub npe. Hauv qhov no, koj yuav tsum hloov lub thawv TV mus rau hom tsim nyog. Los ntawm kev siv ob txoj kev sib txuas tau nthuav tawm tib lub sijhawm, koj tuaj yeem siv ib lub receiver rau 2 TVs.
Tom qab lub thawv teeb tsa saum toj kawg nkaus txuas nrog, koj yuav pom nws qhov cuam tshuam ntawm qhov screen. Feem ntau nws yog nthuav rau cov neeg siv nyob rau hauv daim ntawv ntawm inscription "Tsis muaj teeb liab". Tsis txhob ntshai. Yog tias lub kav hlau txais xov tau teeb tsa thiab koj tau ua txhua yam zoo, ces koj tsuas yog yuav tsum nrhiav cov channel. Ua li no, mus rau lub receiver cov ntawv qhia zaub mov thiab xaiv tsis siv neeg tshawb nrhiav. Tom qab 5-10 feeb, koj yuav tuaj yeem saib cov channel uas koj nyiam hauv hom digital.
