AHD Mobile DVR Hardware User Manual T4
12
I/O wires
Alarm Trigger connection
PIN
Definition
Color
Color
Alarm trigger
condition
3
Alarm input2
Purple
Red
5V-32V
5
Alarm input4
Purple
4
Alarm input1
Purple
Black/Red
Ground/5-32V
6
Alarm input3
Purple
Alarm Input Connection
7.2.1 Application of Alarm input (Reverse assistance)
The device comes with Reverse assistant feature, give an example with Alarm Input2,
we connect the wire of alarm input 2 with the positive pole of reverse lig
ht’s power,
See as shown below:
Figure 17. Reverse Assistance
Connection
I/O wires
Alarm trigger connection
PIN
Definition
Color
Color
Alarm Trigger
Condition
3
Alarm input 2
Purple
Red
Positive pole of
Reverse light
Reverse Assistance Connection
Setup
it in the DVR menu “Advanced” “RearCamera”, see as following, click “OK”
to save your setting.