Tus qauv ua haujlwm ntawm cov ntawv qhia zaub mov digital suav nrog cov hluav taws xob fumicescence, lub teeb kis, voltage tswj thiab teeb liab kev ua. Cov ntawv qhia zaub mov xim feem ntau siv LED (lub teeb emitting diode) raws li lub teeb-emitting keeb. Cov khoom siv LED tsim lub teeb los ntawm kev hla dhau hauv. Cov xim sib txawv ntawm LED tuaj yeem ua tiav ntau yam xim pom kev cuam tshuam los ntawm kev sib txuas nrog lawv. Muaj lub khob pob tshab lossis vaj huam sib luag yas tom qab lub vijtsam zaub. Los ntawm cov txheej txheem tshwj xeeb, lub teeb tuaj yeem kis tau dhau los ntawm nws, yog li nws tuaj yeem nthuav tawm rau sab xub ntiag ntawm cov zaub muag pom rau cov neeg saib.
Cov ntawv qhia cov digital dispections Qhov ci thiab panishing point ntawm LED teeb kom paub txog kev hloov pauv thiab cov ntaub ntawv. Tus ntsuas hluav taws xob yog lub luag haujlwm rau kev tswj qhov loj me ntawm qhov tam sim no thiab tom qab tswj hwm lub ci ci ntawm LED. Thaum cov nyiaj emitted tam sim no yog loj, LED yuav emit ci ntsa iab; Thaum qhov tam sim no yog me me lossis xoom, tus LED yuav tsis emit teeb. Los ntawm kev tswj hwm qhov hloov pauv ntawm voltage, daim duab ntawm cov zaub screen tuaj yeem tswj tau thiab hloov pauv.
Cov qauv tsav tsheb ntawm cov zaub mov digital dispecture muaj kev tsav tsheb zoo li qub thiab tsav tsheb zoo li qub. Cov txheej txheem tsav tsheb zoo li qub tswj qhov ci ci ntawm txhua tus LED caij los ntawm kev xa cov cim siab thiab qis theem. Lub zog tsav tsav tsheb siv cov kab-los-kab thiab kab ntawv los ntawm kab ntawv los ua kom cov leds tshwm sim nyob rau tib lub sijhawm. Lub zog tsav tsav tsheb tuaj yeem siv cov peev txheej ntau dua thiab txhim kho cov teeb meem tshwm sim.
