644.7 AdvancedDouble click advanced icon in the main window, the interface is shown as below. See Figure 4-79.There2 are total eight functionkeys: HDD management, alarm output, abnormity, manual record, account, auto maintenance, TV adjust and video matrix.Figure 4-794.7.1 HDD ManagementHere is for you to view and implement hard disk management. See Figure 4-80.You can see current HDD type, status, capacity and record time. When HDD is working properly, system is shown as O. WhenHDD error occurred, system is shown as X. Alarm set: Click alarm set button, the interface is shown as below. See Figure 4-81. (This interface is just like the abnormitysetup). Please refer to chapter 6.7.2 for detailed information. HDD operation: You can select HDD mode from the dropdown list such as read-only or you can erase all data in the HDD.Please note system needs to reboot to get all the modification activated.Figure 4-80