Dahua DH-XVR5416L-X User Manual page 177

Parameter
Flash Frequency
Step 3 Click Apply to complete the settings.
5.10.3.3 Configuring Siren
When the motion detection alarm is activated, the system links the camera to generate sound
alarm.
To use this function, connect at least one camera that supports audio function.
Step 1 Select Main Menu > ALARM > ALARM OUTPUT > Siren.
The Siren interface is displayed. See Figure 5-125.
Step 2 Configure the settings for the siren parameters. See Table 5-38.
Parameter
Channel
Play
Latch
Audio Clip
Description
When setting the alarm mode of white light to be Flash, you can
select the flash frequency from Low, Middle, and High.
Table 5-37
Figure 5-125
Description
In the Channel list, select a channel that is connected to a camera that
supports audio function.
Click Play to manually trigger the IP camera to play audio file.
Set a length of time for the Device to delay turning off alarm after the
alarm is cancelled. The value ranges from 5 seconds to 30 seconds,
and the default value is 5 seconds.
Select the audio clip for the siren sound. The default setting is Clip 1.
Local Configurations 161