Dahua 1.5U Series User Manual page 3

3.1 Check Unpacked DVR ........................................................................................................................ 27
3.2 About Front Panel and Real Panel ................................................................................................... 27
3.3 HDD Installation ................................................................................................................................... 27
3.3.1 4 HDD Series................................................................................................................................... 27
3.3.2 2 HDD Series................................................................................................................................... 28
3.4 Rack Installation .................................................................................................................................. 28
3.5 Connecting Power Supply .................................................................................................................. 28
3.6 Connecting Video Input and Output Devices .................................................................................. 28
3.6.1 Connecting Video Input.................................................................................................................. 28
3.6.2 Connecting Video Output............................................................................................................... 29
3.7 Connecting Audio Input & Output, Bidirectional Audio .................................................................. 30
3.7.1 Audio Input....................................................................................................................................... 30
3.7.2 Audio Output.................................................................................................................................... 31
3.8 Alarm Input and Output Connection ................................................................................................. 32
3.8.1 Alarm Input and Output Details..................................................................................................... 33
3.8.2 Alarm Input Port .............................................................................................................................. 35
3.8.3 Alarm Output Port ........................................................................................................................... 35
3.9 RS232.................................................................................................................................................... 36
3.10 RS485.................................................................................................................................................... 36
3.11 Other Interfaces ................................................................................................................................... 37
4 OVERVIEW OF NAVIGATION AND CONTROLS ............................................ 39
4.1 Login, Logout & Main Menu ............................................................................................................... 39
4.1.1 Login ................................................................................................................................................. 39
4.1.2 Main Menu ....................................................................................................................................... 39
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