Qhov twg yog qhov zoo dua, ib qho screen POS davhlau ya nyob twg lossis dual-screen POS davhlau ya nyob twg?

1. Dual-screen sau nyiaj ntsuab

1.1 Lub dual-screen nyiaj sau npe tau muab faib ua lub vijtsam loj thiab lub vijtsam qhua. Lub vijtsam kov ntawm lub vijtsam tseem ceeb tuaj yeem ua haujlwm los ntawm tus neeg ua haujlwm. Lub npov qhua ntsib cov neeg siv khoom thiab feem ntau yog siv los lees paub cov ntaub ntawv kev txiav txim, tso saib QR code ntawm kev them nyiaj, tus nqi them, thiab tso saib cov ntaub ntawv tshaj tawm (cov khoom lag luam, cov ntaub ntawv luv nqi), kev qhia txog tuam txhab, thiab lwm yam), tsis muaj xav tau kev luam ntawv ntxiv ntawm kev tshaj tawm thiab QR cov lej rau kev them nyiaj, thiab cov qauv siv ob lub vijtsam yuav pab txhim kho cov duab ntawm cov ntaub ntawv lag luam thiab cov neeg siv khoom. Nws tuaj yeem pom tias daim ntawv sau npe nyiaj ntsuab dual-screen yog qhov tsim nyog rau kev sib cuam tshuam tam sim ntawm cov tub lag luam thiab cov neeg siv khoom. Txawm li cas los xij, qhov tsis zoo kuj tseem pom tseeb dua. Thaum queuing mus checkout, nws tsis haum rau kev tiv thaiv ntiag tug ntawm cov tswv cuab.

1.2 Los ntawm cov ntaub ntawv muag khoom, cov neeg siv ntawm ob-screen POS davhlau ya nyob twg feem ntau yog cov khw muag khoom loj, khw noj mov, khw muag mis nyuj, khw kas fes, khw muag khaub ncaws thiab cov khw muag khoom yooj yim ntawm cov khw muag khoom. Qee lub tsev so high-end yuav qhia cov ntawv sau npe nyiaj ntsuab nrog kev txheeb xyuas cov haujlwm. Rau cov ntawv sau nyiaj ntsuab hauv kev lag luam sib txawv, kev siv cov ntawv sau nyiaj ntsuab dual-screen yog qhov tsim nyog rau kev ua lag luam ntau dua, yog li ua rau muaj txiaj ntsig ntau dua rau cov khw.