Kusankhidwa kwa ma TV amakono kumakondweretsa ngakhale ogula ovuta kwambiri, kusiyana kwake kumakondweretsa kwambiri malingaliro. Ndipo chiwerengero cha zosankha ndizonso chidwi. Komabe, anthu ambiri omwe anagula TV samaganizira kuti mukufunikira kuyang'ana kuchokera kutali. Kuti muwone masewera omwe mumawakonda kwambiri popanda kutembenukira ku oculist, muyenera kudziwa kutalika komwe mungayang'anire mtundu wina wa TV. Komabe, muyenera kumvetsa kuti ngati chipinda chanu chiri chaching'ono, koma mukufuna kukhazikitsa gulu la pulasitiki pakhoma lonse, ndiye palibe chabwino chilichonse chomwe chingabwere kuchokera ku lingaliro ili.
TV ndi cathode ray ray
Mitundu yambiri ya ma TV ndi zonse zomwe zimagulitsidwa m'masitolo ogwiritsira ntchito zipangizo zamakono - zodziŵika kwa zojambula zonse, chithunzi pamasewero awo chikuwonetsedwa kudzera mu chubu lamatope. Mtunda wochokera ku TV ya chitsanzo ichi kufikira maso ayenera kukhala osachepera 2-3 mamita. Ngati mtunda uli wocheperapo, ndiye kuti mumayambitsa kuwonongeka kwakukulu kwa maso anu.
LCD, LED ndi ma plasma TV
LCD (crystal yamadzi) ndi ma TV omwe amagwiritsidwa ntchito kukhala otetezeka amadziwika kuti ndi otetezeka kwambiri. Akawonekeratu, maso samapwetekedwa ndi kubwezeretsa, chifukwa sapezeka. Mtunda wapatali ku LCD TV ukhoza kukhala wosasinthasintha, alibe ma radiation owopsa, kotero iwe ukhoza kuwawonera iwo kuchokera pamtunda uliwonse woyenera. Palibe kusiyana pakati pa malo otetezeka ndi makanema a TV kuchokera pa zowonjezera. TV iyi ikhozanso kuwonedwa popanda kuwopsyeza poizoni ndi kuthamanga, zomwe zimavulaza masomphenya anu.
Monga mutha kumvetsetsa, mtunda wokwanira woyang'ana TV mwachindunji umadalira chitsanzo chake. Ndiponsotu, ngati muli ndi LCD kapena TV TV kunyumba, chithunzichi chidzakhala momveka bwino kuchokera pamtunda uliwonse komanso kuchokera kumbali iliyonse.
Koma kaya ndi TV yanu, muyenera kudziwa kuti ngati mumakhala kutsogolo kwa chinsalu, palibe chabwino chomwe chidzabwere. Malo otetezeka kwambiri owonera mauthenga pa TV iliyonse amawonedwa kuti ndi ofanana ndi ma diagonal anayi, omwe nthawi zambiri amakhala mamita awiri. Akatswiri a sayansi ya kumadzulo anabwera ku lingaliroli pambuyo poyesera angapo ndi odzipereka. Ngakhale kuti zofunikirazi zimayang'aniridwa ndi makanema akale a tube tube, simukuyenera kunyalanyaza maso anu, mukuwonerera ma TV omwe ali pafupi ndi chinsalu.
Njira yowonetsera mtunda woyenerera wa kuyang'ana mtundu wotere wa TV imaperekedwa patebulo:
3D TV: kuwerengera mtunda
Mukhoza kuyang'ana mafilimu mu maonekedwe a 3D lero popanda kuchoka kwanu. Kuti mumadzidzimire bwino mu zochitika zomwe zikuchitika pawindo, ndibwino kuti musakhale kutali ndi TV, koma kodi sikuwononge masomphenyawo? Akatswiri amatsimikizira kuti kuonera mafilimu mu maonekedwe a 3D mwamtheradi sikumapweteka masomphenya a munthuyo. Mtunda wokwanira kwambiri pawindo la pa TV la 3D ndi chizindikiro chofanana ndi mamita atatu, ndipo mbali yabwino ya TV iyenera kukhala mkati mwa 60 °. Ngati mutatsatira zotsatirazi, ndiye kuti zotsatira zowonera kanema mu 3D zidzakhala pafupi ndi zomwe mungathe kuziwona mu cinema. Onetsetsani kuti muganizire za khalidwe (chisankho) cha mavidiyo. Ngati kukonza kanema kuli mpaka 720p, ndiye kuti muyenera kukhala pawindo pamtunda wa mamita atatu, ndipo ngati 1080p, ndiye kuti mtunda wamtunda kwambiri uli pafupi mamita awiri.
Zambiri zolondola zimaperekedwa patebulo:
Kaya mumakonda bwanji TV, yesetsani kupeŵa kuonera TV patali pamtunda wa mamita awiri kuchokera pa maso kufika pa chinsalu. Ngati simukutsatira ndondomeko iyi, ndiye kuti maso anu adzapatsidwa ntchito yosafunikira.