Dahua DH-XVR5104HS-4KL-I3 User Manual page 204

Configure the triggering parameters.
Parameter
Schedule
Alarm-out Port
Post-Alarm
Show Message
Report Alarm
Trigger
Triggering parameters
Description
Define a period during which the detection is active.
For details, see "Setting Motion Detection Period" section in "5.10.4.1
Configuring Motion Detection Settings."
Click Setting to display setting page.
General Alarm: Enable general alarm and select the alarm output
port.
Ext. Alarm: Connect the alarm box to the Device and then enable it.
Wireless Siren: Connect the wireless gateway to the Device and then
enable it. For details, see "5.12 IoT Function. "
When an alarm event occurs, the system links the peripheral alarm devices
connected to the selected output port.
Set a length of time for the Device to delay turning off alarm after the
external alarm is cancelled. The value ranges from 0 seconds to 300
seconds. If you enter 0, there will be no delay.
Select the Show Message checkbox to enable a pop-up alarm message
in your local host PC.
Select the Report Alarm checkbox to enable the system to upload the
alarm signal to the network (including alarm center) when an alarm
event occurs.
Not all models support this function.

The corresponding parameters in the alarm center should be

configured. For details, see "5.15.1.12 Configuring Alarm Center
Settings."
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User's Manual