Dahua Technology LE-L User Manual
Page 3

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