Dahua NVR21-4KS3 Series, User Manual

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User's Manual
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Step 3 Select the audio file and then click Import .
System supports MP3 and PCM audio format.
Step 4 Click OK to start importing audio files from the USB storage device.
If the importing is successful, the audio files will display in the File Management page.
5.18.2 Audio Play
You can configure the settings to play the audio files during the defined time period.
Procedure
Step 1 Select Main Menu > AUDIO > Schedule .
Figure 5-308 Schedule
Step 2 Configure the parameters.
Table 5-89 Schedule parameters
Parameter Description
Period
In the Period box, enter the time. Select the checkbox to enable the
settings. You can configure up to six periods.
File Name
In the
File Name
list, select the audio file that you want to play for this
configured period.
Interval
In the Interval box, enter the time in minutes for how often you want to
repeat the playing.
Loop
Configure how many times you want to repeat the playing in the
defined period.
Output
Includes two options: MIC and Audio. It is MIC by default. The MIC
function shares the same port with talkback function and the latter has
the priority.
Some series products do not have audio port.