Txoj cai ntawmkov zaubyog qhov yooj yim heev. Yooj yim muab, akov npotau teeb tsa ntawm cov zaub kom dhau los ua cov zaub nrog kov ua haujlwm. Qhov nrov tshaj plaws hauv khw yog LCD kov saib (CRT tau maj mam thim tawm ntawm thaj chaw). Raws li qhov sib txawv installation ntawmkov cov ntxaij vab tshaus, nws feem ntau muab faib ua plaub hom: tiv taus, muaj peev xwm, sonic, thiab infrared;kov qhiantawm kev ua lag luam feem ntau sivresistive kov cov ntxaij vab tshaus, vim hais tias kev teeb tsa yog qhov yooj yim.
Los ntawm sab xub ntiag, tua zaubtsis txawv qhov txawv ntawm cov zaub zoo tib yam. Los ntawm sab nraub qaum, nws muaj ib kab kab teeb tsa ntau dua li cov zaub ib txwm muaj, uas yog, kab teeb liab txuas nrog raukov npo. Thaum siv cov saib zoo tib yam, lawv feem ntau tsis xav tau cov tsav tshwj xeeb, thaum kov cov saib yuav tsum muaj qhov tshwj xeebkov npocov tsav tsheb thaum lawv siv, txwv tsis pub kov cov haujlwm yuav ua tsis tau.
Ua ntej tshaj plaws, raws li tus kws tshaj lijkov zaub chaw tsim tshuaj paus, tag nrho cov pwm thiab kev tsim qauv, txheej txheej ntawm cov khoom siv hluav taws xob, thiab kev kho ntawmkov npoyog txhua txoj kev tshwj xeeb. Ntxiv rau kev tsim tus kheej thiab tsim A/D pawg thawj coj, kev tsim qauv tag nrho kuj tseem yogkov npo. Kev kho yog tsim los ntawm kws tshaj lij, thiab ntau qhov tshwj xeeb uas tsim los ntawm cov hlau tau siv los kho, tsis yog siv kho yooj yim thiab muab tso nrog cov nplaum nplaum. Qhov thib ob, cov kws tshaj lij saib xyuas feem ntau khaws qee qib ntawm qhov chaw teeb tsa, uas tuaj yeem sib xws nrog lwm qhovkov cov ntxaij vab tshausQhov peb, cov kws saib xyuas kev ua haujlwm ua haujlwm ruaj khov, tsis yog tsuas yog cov neeg sib tham raug, tab sis tseem saib tag nrho yuav tsis co nyob rau hauv kov kov thiab yog qhov ruaj khov. Plaub, qhov zoo ntawm tag nrho cov zaub kov tau lav. Yog li ntawd, qhov ua tau zoo tshaj yog ntseeg tau ntau dua. Hom kev kov no feem ntau siv hauv qhov chaw siab nrog qhov xav tau nruj rau kov cov khoom, xws li kev ua haujlwm siab POS, chaw tsim khoom, chaw kho mob, chav sib tham, thiab lwm yam.
