Cov koob yees duab kev ruaj ntseg feem ntau yog khaws cia rau 30 txog 90 hnub. Qhov no muaj tseeb rau tsev so, khw muag khoom, khw muag khoom, thiab txawm tias cov tuam txhab tsim kho. Cov tsev txhab nyiaj khaws cov koob yees duab kev ruaj ntseg ntev txog rau lub hlis kom ua raws li kev tswj hwm kev lag luam.
Puas CCTV footage puas tau muab tshem tawm?
Puas CCTV Cov Duab Tau Tshem Tawm Tsis Siv Neeg? Yes. Cov duab ntawm lub koob yees duab CCTV yog khaws cia rau hauv lub zos hard drive, huab server, los yog offsite server. Feem ntau, los ntawm lub neej ntawd, cov ntaub ntawv qub tau sau nrog cov ntaub ntawv tshiab tom qab ib hlis.
CCTV footage khaws tau ntev npaum li cas?
Feem ntau, 31 hnub yog lub sijhawm uas cov neeg siv CCTV feem ntau khaws lawv cov duab kaw thiab nws kuj tau pom zoo los ntawm tub ceev xwm. Txawm li cas los xij, lub sijhawm no tuaj yeem hloov kho raws li qhov hnyav ntawm qhov xwm txheej.
Lub koob yees duab kev ruaj ntseg puas tshem cov duab?
Thaum koj lub koob yees duab kev ruaj ntseg hard drive tau mus txog qhov muaj peev xwm cia siab tshaj plaws, nws tsuas yog sau cov duab qubthiab hloov nws nrog cov duab tshiab. Cov duab qub yuav raug tshem tawm los ua txoj hauv kev rau cov yeeb yaj kiab tshiab, ua kom koj ib txwm muaj cov yeeb yaj kiab tshiab tshaj plaws.
koob yees duab kev ruaj ntseg khaws cia nyob qhov twg?
Rau tag nrho cov kab ke soj ntsuam video, cov duab kaw cia yog khaws cia rau ib lub kaw lus sab nraud. Hauv IP systems, cov no yog hu ua NVRs, lossis network video recorders. Hauv cov tshuab analog, lawv hu ua DVRs, lossis digitalvideo recorders.
