WWW.DUALSIG.COM61 Production Introduction1.1 Product overviewThis DVR is designed especially for the security and defence ield and is anoutstanding digital surveillance product.With the embedded LINUX operating system it is very stable and, in addition,has, as standard, the H.264mp video compressed format and G.711A audiocompressed format which insures a high quality image, low error coding ratioand single frame playback.With our professional network video surveillance software and TCP/IP networktechnology it has a superb network communication and telecommunicationability.The DVR can be used individually or online as part of a surveillance network.The DVR can be used in banks, telecoms, power systems, prisons, hospitals,transportation, homes, factories, storehouses and many other uses.1.2 Main functionsReal-time surveillanceAnalog and VGA interface (VGA interface is equipped selectively)Surveillance function through a monitor or a displayStorageNon-working hard disk dormancy processing which is convenient to radiate heat,reduce power and extend the life-span of the DVR.A special storage format which insures the data safety.CompressionReal-time compression by individual hard disks which insures the audio andvideo signal have a stable synchronizationBackupThrough a SATA and USB interfaces to USB equipment, removable hard disksetc.Also through the net to download the iles to the hard diskPlaybackIndividual real-time video recording as well as searching, playback, networksurveillance, recording check, downloading etc.Multi-playback modeZoom in on a selected regionNet operatingThrough net tele-surveillance in real timeTele-PTZ controlTele-recording check and real-time playbackWWW.DUALSIG.COM