1. Lub koob yees duab: yees duab magnifiers yog nruab nrog lub koob yees duab uas ntes cov duab ntawm cov khoom lossis cov ntawv nyeem. Lub koob yees duab yuav raug ntsia rau ntawm caj npab los yog sawv ntsug, tso cai rau cov neeg siv los tso nws hla cov ntaub ntawv nyeem, cov ntaub ntawv, lossis lwm yam khoom. Lub koob yees duab ntes cov duab thiab xa mus rau qhov screen kom nthuav dav.
2. Lub vijtsam: Cov duab ntes tau tshwm sim ntawm lub vijtsam, uas tuaj yeem sib txawv ntawm qhov loj nyob ntawm tus qauv. Lub vijtsam muab kev pom zoo ntawm cov ntsiab lus, tso cai rau cov neeg siv pom nws kom meej meej. Qhov loj ntawm lub vijtsam tuaj yeem muaj los ntawm cov ntxaij vab tshaus me me mus rau cov ntxaij vab tshaus loj dua.
3. Magnification Levels: Video magnifiers muaj adjustable magnification theem kom haum raws li qhov sib txawv xav tau. Cov neeg siv tuaj yeem xaiv qhov xav tau qib ntawm kev nthuav dav kom nthuav dav cov ntsiab lus thiab ua kom yooj yim pom. Qhov kev nthuav dav sib txawv ntawm cov qauv, nrog rau qee qhov muab cov qib qis ntawm kev nthuav dav thiab lwm tus muab qib siab rau cov ntsiab lus zoo.
4. Hom xim thiab qhov sib txawv: Cov duab thaij duab feem ntau suav nrog cov xim hloov tau thiab cov qauv sib txawv los txhim kho kev pom thiab kev nyeem ntawv. Cov neeg siv tuaj yeem xaiv los ntawm ntau yam xim sib xyaw ua ke, xws li qhov sib txawv siab (xws li, cov ntawv dub ntawm lub ntsej muag dawb), greyscale, lossis kev cai xim xim raws li lawv nyiam thiab cov kev xav tau tshwj xeeb.
5. Cov Nta Ntxiv: Nyob ntawm tus qauv, yees duab magnifiers yuav muab cov yam ntxwv ntxiv los pab cov neeg siv tsis pom kev. Cov yam ntxwv no yuav suav nrog:
1) Adjustable Brightness: Cov neeg siv tuaj yeem tswj qhov ci ntawm lub vijtsam kom ua kom pom kev pom zoo hauv cov teeb pom kev sib txawv.
2) Kev Nyeem Ntawv / Cov Lus Qhia: Qee qhov yees duab magnifiers muaj cov kab ntawv nyeem lossis cov lus qhia uas tuaj yeem tso rau ntawm lub vijtsam los pab cov neeg siv taug qab cov ntawv nyeem thaum nyeem lossis sau ntawv.
3) Freeze Ncej: Qhov no tso cai rau cov neeg siv tuaj yeem ntes thiab tuav cov duab ntawm lub vijtsam, muab lub peev xwm los tshuaj xyuas cov ntsiab lus kom zoo dua yam tsis tas yuav tuav cov ntaub ntawv nyeem.
4) Duab Cia thiab Kev Sib Txuas: Cov yees duab zoo tshaj plaws tuaj yeem muaj peev xwm txuag cov duab rau hauv lossis sab nraud cia khoom. Lawv kuj tseem tuaj yeem muab cov kev xaiv sib txuas kom hloov cov duab mus rau lub computer lossis lwm yam khoom siv rau kev tshuaj xyuas ntxiv lossis sib koom.
6. Portable thiab Desktop Models: Video magnifiers tuaj nyob rau hauv portable thiab desktop qauv. Portable video magnifiers yog compact thiab hnav, ua rau lawv yooj yim rau kev siv ntawm-tus-mus. Lawv feem ntau muaj cov roj teeb built-in rau kev ua haujlwm cordless. Desktop video magnifiers yog cov khoom siv loj dua tsim los zaum ntawm lub rooj lossis rooj. Lawv feem ntau muaj cov ntxaij vab tshaus loj dua thiab cov yam ntxwv ntxiv piv rau cov qauv nqa tau yooj yim.
8. Daim Ntawv Thov: Video magnifiers pom cov ntawv thov hauv ntau qhov chaw thiab kev ua ub no, suav nrog:
1) Kev Nyeem Ntawv thiab Sau: Lawv pab cov tib neeg tsis pom kev hauv kev nyeem phau ntawv, ntawv xov xwm, cov ntaub ntawv, thiab lwm yam ntaub ntawv luam tawm los ntawm kev nthuav dav.
2) Kev Kawm Ntawv thiab Kev Ua Haujlwm: Cov yeeb yaj kiab yees duab muaj txiaj ntsig zoo hauv kev kawm, pab cov tub ntxhais kawm qhov tsis pom kev nkag mus rau hauv phau ntawv, cov ntaub ntawv kawm, thiab kev nthuav qhia hauv chav kawm. Lawv kuj txhawb cov tib neeg hauv kev ua haujlwm hauv chaw ua haujlwm uas suav nrog kev nyeem ntawv, sau ntawv, thiab ua haujlwm nrog cov ntaub ntawv.
3) Kev nyiam ua thiab khoom siv tes ua: Cov yeeb yaj kiab yeeb yaj kiab yog siv los ntawm cov neeg nyiam ua yeeb yam, cov kws ua yeeb yam, thiab cov kws ua yeeb yam los ua haujlwm rau cov ncauj lus kom ntxaws xws li kev pleev xim, kos duab, qauv tsim, lossis sib sau cov khoom me me.
4) Kev Ua Neej Nyob Txhua Hnub: Lawv pab cov tib neeg uas tsis pom kev hauv kev ua haujlwm txhua hnub xws li tswj cov ntawv sau tshuaj, nyeem cov zaub mov txawv, lossis saib cov ntawv cim khoom.
5) Kev Siv Hluav Taws Xob: Cov yeeb yaj kiab yeeb yaj kiab tau siv rau hauv cov chaw tshaj lij xws li chaw soj nstuam, kev tswj xyuas kom zoo, thiab kev tshawb fawb tshawb fawb, qhov kev soj ntsuam meej thiab kev soj ntsuam cov ntsiab lus tseem ceeb.