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5.3.10 - Siren
If the camera connected to the device has a built-in speaker, you can set the siren-related parameters in
this module.
Channel: Select the switch channel.
Enable: Used to set whether to enable the siren
function.
Siren Type: Used to select the siren audio file.
By default two audio files are provided. You can
also import three customized audio files (of PCM
format or WAV format). The audio sample rate of the
imported file cannot exceed 8000 Hz, and the file size
cannot exceed 256 KB. After you select a customized audio file to be imported, a Delete button appears
on the right of the file, and you can click the Delete button to delete the audio file. (Note: This function is
supported by some IP cameras only.)
File Name: If you select User-defined for Siren Type, you can enter the file name and click the Import
button on the right to import the customized audio file from a USB flash disk.
Siren Level: Used to set the siren volume level, which ranges from 1 to 10. The higher the level is, the
louder the volume is.
Siren Duration(s): Used to set the siren duration. You can adjust the value between 5 to 180 seconds.
Schedule: If the IP camera is connected to the NVR
via the HTTP port, you can click the Schedule button
to open the setting page.
If a channel is selected in the schedule, it indicates
that the channel can trigger siren alarms during the
corresponding period.
You can set the siren linkage alarm and effective time
of a function by selecting the corresponding function
sub-tab and switch.
Clear All: Click this button to clear the selected status on all sub-tabs.
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