Table of Contents III4.9 POS ......................................................................................................................................................... 2154.9.1 Search ............................................................................................................................................ 2154.9.2 Settings .......................................................................................................................................... 2164.10 Operation and Maintenance ................................................................................................................ 2194.10.1 Log .................................................................................................................................................. 2194.10.2 System ........................................................................................................................................... 2214.10.3 Network .......................................................................................................................................... 2244.10.4 Maintenance and Management .................................................................................................. 2274.11 File Backup............................................................................................................................................. 2354.12 Network ................................................................................................................................................... 2364.12.1 TCP/IP ............................................................................................................................................ 2364.12.2 Port ................................................................................................................................................. 2384.12.3 PPPoE ............................................................................................................................................ 2394.12.4 DDNS ............................................................................................................................................. 2404.12.5 UPnP .............................................................................................................................................. 2424.12.6 Email............................................................................................................................................... 2444.12.7 SNMP ............................................................................................................................................. 2464.12.8 Multicast ......................................................................................................................................... 2484.12.9 Alarm Centre ................................................................................................................................. 2494.12.10 Register .......................................................................................................................................... 2504.12.11 P2P ................................................................................................................................................. 2514.12.12 802.1X ............................................................................................................................................ 2534.13 Storage ................................................................................................................................................... 2554.13.1 Basic ............................................................................................................................................... 2554.13.2 Schedule ........................................................................................................................................ 2564.13.3 HDD ................................................................................................................................................ 2564.13.4 Record Control .............................................................................................................................. 2574.13.5 Advance (HDD Group)................................................................................................................. 2574.13.6 HDD Detect ................................................................................................................................... 2584.13.7 RAID ............................................................................................................................................... 2614.13.8 Record Estimate ........................................................................................................................... 2664.13.9 FTP ................................................................................................................................................. 2684.14 System .................................................................................................................................................... 2704.14.1 General .......................................................................................................................................... 2704.14.2 RS232 ............................................................................................................................................ 2704.14.3 Security .......................................................................................................................................... 2724.15 Account ................................................................................................................................................... 2754.15.1 User ................................................................................................................................................ 2754.15.2 Group ............................................................................................................................................. 2784.15.3 Reset Password............................................................................................................................ 2794.15.4 ONVIF User ................................................................................................................................... 2804.16 Output and Display................................................................................................................................ 2824.16.1 Display ........................................................................................................................................... 2824.16.2 Tour ................................................................................................................................................. 2834.16.3 Customized Display ..................................................................................................................... 2854.17 Audio ....................................................................................................................................................... 287