Dahua Smart 1U, User Manual

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Local Configurations
220
Configure the settings for the schedule parameters. See Table 5-67.
Parameter Description
Period
In the Period box, enter the time. Select the check box 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.
Repeat
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.

The finish time for audio playing is decided by audio file size and the configured interval.

Playing priority: Alarm event > Talkback > Trial listening > Audio file.