3.3 HDD Installation ..................................................................................................................... 68
3.3.1 The 1U Series ................................................................................................................... 68
3.3.2 The 1.5U Series ................................................................................................................ 69
3.3.3 The 2U Series ................................................................................................................... 70
3.3.4 Rack Installation ................................................................................................................ 70
3.4 Connecting Power Supply .................................................................................................... 71
3.5 Connecting Video Input and Output Devices .................................................................... 71
3.5.1 Connecting Video Input.................................................................................................... 71
3.5.2 Connecting Video Output ................................................................................................ 71
3.6 Connecting Audio Input & Output, Bidirectional Audio .................................................... 72
3.6.1 Audio Input ......................................................................................................................... 72
3.6.2 Audio Output ...................................................................................................................... 72
3.7 Alarm Input and Output Connection ................................................................................... 72
3.7.1 Alarm Input and Output Details ...................................................................................... 73
3.7.2 Alarm Input Port ................................................................................................................ 74
3.7.3 Alarm Output Port ............................................................................................................. 74
3.8 RS485 ..................................................................................................................................... 75
3.9 Other Interfaces ..................................................................................................................... 75
4 OVERVIEW OF NAVIGATION AND CONTROLS .................................. 76
4.1 Boot up and Shutdown ......................................................................................................... 76
4.1.1 Boot up ............................................................................................................................... 76
4.1.2 Shutdown ........................................................................................................................... 76
4.1.3 Auto Resume after Power Failure .................................................................................. 76
4.1.4 Replace Button Battery .................................................................................................... 76
4.2 Change/Reset Password ...................................................................................................... 76
4.2.1 Change Password ............................................................................................................ 77
4.2.2 Reset Password ................................................................................................................ 78