Dahua DH-XVR42 AN-I Series User Manual page 172

on the alarm device, the alarm information will be uploaded to the Device, and then the Device
outputs the local alarms in the way that you configure in this section.
Procedure
Step 1 Select Main Menu > ALARM > Alarm-in Port > Local.
Step 2 Configure the settings for the local alarms.
Parameter
Alarm-in Port
Alarm Name
Enable
Device Type
Schedule
Anti-Dither
Figure 5-112 Local
Table 5-35 Local alarm settings
Description
Select the channel number.
Enter the customized alarm name.
Enable or disable the local alarm function.
In the Device Type list, select NO or select NC as the voltage output
type.
Click Setting to configure the parameters.
Define a period during which the motion detection is active. For
details, see "5.10.4.1 Configuring Motion Detection Settings".
Configure the time period from end of event detection to the stop
of alarm.
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User's Manual