User Manual of NVR Series DVRPage 4 Total 104Chapter1 Product Introduction1.1 SummaryNVR-16SAX series network digital video recorder is an excellent digital surveillance product.It uses the embedded MCU and embedded operating system (RTOS), combining the mostadvanced technology in Information Industry such as video and audio encoding/decoding, harddisk record and TCP/IP. The firmware is burned in the flash, more stable and reliable.NVR-16SAX series device has both the features of digital video recorder (DVR) and digitalvideo server (DVS). It can work stand alone, also be used to build a powerful surveillance network,widely used in bank, telecommunication, transportation, factories, warehouse, irrigation, etc.1.2 FeaturesCompression Support 4, 8, 16 channnels video input (PAL/NTSC) at most. Each channel isindependent, H.264 hardware compression and real time (PAL: 25 FPS, NTSC: 30FPS).Support both variable bitrate and variable frame rate. Support 1, 8 16 channels audio input at most. Each channel is independent, OggVorbiscompression and bitrate is 16Kbps. Compressed video and audio are synchronous. You can select either mixed stream oronly video stream. Support 4CIF, DCIF, 2CIF, CIF and QCIF resolution. Support multi area motion detection. Support OSD and changeable OSD position. Support LOGO and changeable LOGO position.Local functionsRecord Support multiple record type, including real time, manual record, motion detection,external alarm, motion&alarm, motion|alarm. Support 1 SATA HDDs and HDD can support 2000GB maximum (NVR4SGX). Support 8 SATA HDDs and each HDD can support 2000GB maximum(NVRSTX/NVRSAX). Support FAT32 file system. Support HDD S.M.A.R.T technology. Support cycle or none cycle record. Support backup the recorded files and clips. Support USB memory, USB HDD, USBCD-R/W, USB DVD-R/W and SATA HDD for backup.