Kev yuav ib lub TV tshiab yog ib yam khoom qab ntxiag, tab sis tsis yog ib qho yooj yim. Koj yuav tsum txiav txim siab ntawm hom tshuaj ntsuam: kua siv lead ua los yog LED, chaw tsim tshuaj paus thiab nqe. Tom qab koj tau txais cov kev xav ntawm cov teeb meem no, koj yuav tsum teb ib qho ntxiv: yuav ua li cas xaiv tus kab pheeb ces kaum lub TV? Nws yuav zoo li tias nws yuav yooj yim, vim ib qho screen loj loj hauv phab ntsa - nws tsis yog npau suav? Tab sis tsis tag nrho li unambiguously. Thaum xaiv lub kab pheeb ces kaum ntawm TV, txoj ntsiab cai "ntau dua qub" tsis yog qhov tseeb.
Yuav ua li cas ntsuas lub kab pheeb ces kaum ntawm TV thiab dab tsi yuav cia siab thaum xaiv nws?
Tus kab pheeb ces kaum yog qhov kev sib txawv ntawm qhov kab ntawm daim npog sab nraub ntawm lub vijtsam. Nws yog ntsuas hauv inches. 1 nti yog 2.54 cm, yog li tom qab ib qho kev qhia yooj yooj yim koj tuaj yeem txiav txim siab qhov loj ntawm kab pheeb ces kaum thiab hauv centimeters.
Yog tias koj tab tom yuav ib qho tshiab, niaj hnub ua qauv rau thawj thawj zaug, tom qab ntawd ces koj yuav xav tias: tus kabmob TV hauv TV: lawv yog dabtsi? Tseeb, rau cov tuam txhab txawv ntau qhov ntau thiab tsawg dua, tab sis feem ntau lawv ua raws li qee qhov kev lees paub. Yog li, ntawm kev muag khoom nws tau mus nrhiav TV nrog ib kab pheeb ces kaum ntawm 17, 19, 22, 25, 37 thiab li ntawm yuav luag indefinitely. Li ntawd, ib qho yog rau koj?
Txiav txim siab saib TV hom kab pheeb ces kaum dab tsi xaiv, koj yuav tau tsom rau ob yam:
- qhov loj ntawm chav nyob qhov twg qhov kev tshaaj tawm thiab, raws li, qhov deb ntawm qhov uas nws yuav raug saib;
- Hom tshuaj ntsuam thiab, raws li, nws txoj kev daws teeb meem.
Tom qab ntau cov kev tshawb fawb, cov kws ua hauj lwm kev lag luam pom zoo rau cov kab mob hauv qab no:
- Cov TV nrog ib qho screen ntawm 14-17 meters yuav tsum tau saib tsawg kawg ib lub 'meter' los ntawm lawv;
- kom saib cov TV yog ntau dua - los ntawm
26 mus rau 32 ntiv, koj yuav tsum zaum zaum ntawm 2-2,5 m; - Yog tias koj txiav txim siab yuav ib lub TV loj, ib kab pheeb ces kaum ntawm 61-80 ntiv, qhov loj ntawm koj lub tsev yuav tsum tau cia koj saib nws los ntawm ib qho deb ntawm 4-5 m.
Raws li hom tshuaj ntsuam, qhov no, tsis yog koj qhov kev nplij siab xwb, tab sis kuj yog qhov zoo ntawm daim duab nyob ntawm nws qhov loj me. Yog li, kom tau ib tug duab zoo hauv LCD npo, koj yuav tsum xav kom muaj kab pheeb ces kaum ntawm yam tsawg 26 ntiv. Raws li kev ua qauv ntawm LED-TVs uas txhawb ib daim duab peb sab, qhov kabmob tsawg kawg yuav tsum yog yam tsawg 40 ntiv. Txawm li cas los xij, koj yuav tsis tshua nrhiav nws ntawm kev muag khoom.