AHD Mobile DVR Hardware User Manual T4
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Figure 19. Emergency button
connection
I/O wires
Alarm trigger connection
PIN
Definition
Color
Color
Alarm trigger
condition
4
Alarm input1
Purple
Black
Ground
Emergency button connection
PS: (If the connected Alarm input is Positive trigger, the other end of the Emergency
button will be 5-32V DC power)
Setup it in the DVR menu “Alarm” “Input”, select AlarmInput1 in the list to setup
the alarm parameter. See as shown below:
Figure 20. Setup alarm input
ChnInput: This channel is used to connect with the Emergency button.
UploadType: When you use the emergency button, please set up it to be “Urgency”,
otherwise, set up it to be “No”
