User Manual

Introduction
NVR User Manual
5
Name
Descriptions
1-9
Input digital number and select camera
0/--
Input number 0, the number above 10
Direction Key
Change direction
Multi-Screen Switch
Change the screen mode
Enter
Confirm selection
USB
To connect external USB device like USB mouse or USB
flash
1.4 Rear Panel Descriptions
Here we only take a part of real panels for example to introduce their interfaces and
connections. The interfaces and locations of the interfaces are only for references. Please take
the real object as the standard.
No.
Name
Descriptions
1
ALARM OUT
Relay output; connect to external alarm
2
GND
Grounding
3
AUDIO IN
Audio input; connect to audio input device, like microphone,
pickup, etc
4
DC12V
DC12V power input
5
LAN
Network port
6
VGA
Connect to monitor
7
ALARM IN
Alarm inputs for connecting sensors
8
HDMI
Connect to high definition display device
9
USB
Connect USB storage device or USB mouse
10
AUDIO OUT
Audio output; connect to sound box
11
RS485
Connect to keyboard. A is TX+; B is TX-