Dahua HCVR5104C User Manual page 604

Please refer to the following sheet for detailed information.
Parameter Function
There are six periods. Check the box to enable current setup.
Period
It is to set audio file repeat times in the specified period.
Repeat
It is the audio file repeated interval in the specified period.
Interval
There are two options: MIC (default)/audio. When reuse the MIC port
Output
port
and bidirectional talk port, the bidirectional port has the higher priority.
Please note some series product does not support audio function.
Note
The audio file end time depends on the audio file size and the interval setup.

Priority: Bidirectional talk>Event trigger alarm>Trial listening>Audio schedule

broadcast.
5.10.5.9 Account
Note
For the user name, the string max length is 31-byte, and for the user group, the string

max length is 15-byte. The user name can only contain English letters, numbers and
"_" 、 "@" 、 ".".
The default user amount is 64 and the default group amount is 20. System account

adopts two-level management: group and user. The user authorities shall be smaller
than group authorities (The admin user authorities are set by default).
For group or user management, there are two levels: admin and user. The user name

shall be unique and one user shall only belong to one group.
5.10.5.9.1 User name
From main menu->Setup->System->Account->Account, enter account interface. See
Figure 5- 133.
Figure 5- 132
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