User's Manual

G4 DVR-M1N-RPH User Manual
Page 78 of 112
x Linkage: The services that can be linked when an alarm occurs. The specific setup is the
same as the IO alarm.
3.5.4.1.3 Urgent Alarm
The urgent alarm is the alarm triggered by the driver pressing the emergency button in a
dangerous situation. The signal input of the emergency button is generally accessed through the 485
protocol transmission port. In Section 3.5.3.1.2, the 485 port can be configured for control urgent
alarms. Here you can set specific functions such as the corresponding alarm trigger conditions and
linkage content. Tap Urgent Alarm on the Base screen, the screen is shown as below:
x Enable: Whether to enable the urgent alarm function, check it to enable. Only by checking
enable can you set the trigger condition and linkage.
x Alarm Type: Alarm and Event. The detailed description of the difference between alarm
types is the same as those of the IO alarm.
x Trigger: Tap Setup to enter the following screen: