Nyob hauv kev lag luam ntawm ntaub, txhua meter ntawm ntaub txhais tau tias koj tus leej xeem lub npe. Chav sib xyuas ntaub cuaj rau kev pab kho kom meej nyob rau hauv qhov chaw koj. Tab sis, qhov nyob ze ntawm cov khoom siv no yog ib qho tseem ceeb heev rau txhua qhov khoom siv. Vim li no, kev nrhiav yam ntaub cuaj rau kev sib xyuas zoo ib yam nkaus yog ib qhov kev lag luam zoo dua li kev hloov pauv tsuas yog ib qhov xwb—nws yog ib qhov kev lag luam zoo rau kev nyob ze ntawm koj qhov kev tsim kho, qhov muaj peev xwm ntawm cov khoom, thiab qhov muaj zog thaum kawg.
Kev tsim haujlwm siab ntawm cov cuab yeej no yog qhov tseemceeb rau kev daws txog kev nyab xeeb ntawm lub raj. Txhua qhov sib txuas ntawm lub chaw soj ntsuam muaj feem tseemceeb rau kev daws nyiaj. Qhov chaw kuaj mob yuav tsum muaj ob khoob zoo ib yam thiab tsis muaj zaj lus. Yog tias qhov brightness loss los yog qhov color temperature hlo li, ces yuav tsis pom tau cov ntaub khaum me me, cov ntaub khaum lossis cov ntaub uas siv tsis raug, uas yuav pab kom muaj kev tawm tsam thiab kev rov qhib khoom los. Cov sensors thiab cov chaw soj ntsuam tshaj lij yog ib zoo li 'lub plab' ntawm chaw ua haujlwm, uas tuaj yeem pom cov khaum zoo li cov roojkhaum thiab cov kab nrawm uas puav. Qhov sensitivity ntawm lawv yuav xam kom pom tseeb tias cov khoom tsis zoo puas tau raug tshem tawm. Tom qab ntawd, cov cuab yeej mekanik zoo li rollers, fabric guides, thiab bearings yuav tsum muaj kev nyab xeeb zoo ib yam thaum soj ntsuam. Yog muaj qhov twg hlawv lossis vibration, ces yuav tshem lossis npuav tus ntaub zoo uas yeej tsis muaj khaum, ua rau muaj khaum tshiab thaum soj ntsuam. Vim li no, qhov khaum ntawm ib qho chag tsawg kuj yuav pab tso lub haujlwm soj ntsuam ntawm lub tshuab tseem ceeb tshaj plaws.