Vivotek SD8363E-M User Manual page 104

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■ Audio detection
A preset threshold can be configured with an external microphone as the trigger to system event. The
triggering condition can be an input exceeding or falling below a threshold. Audio detection can take
place as a complement to motion detection or as a method to detect activities not covered by the
camera's view. Please refer to page 119 Applications > Audio detection for more details.
Once you have a preset audio alarm level, you can define the triggering condition either as an audio
input rises above or falls below the alarm level.
■ Manual triggers
An event can be manually triggered by the manual trigger buttons on the main page.
3. Action
Define the actions to be performed by the Network Camera when a trigger is activated.
■ Trigger digital output for
Select this option to turn on the external digital output device when a trigger is activated. Specify the
length of the trigger interval in the text box.
■ Backup media if the network is disconnected
Select this option to backup media file on SD card if the network is disconnected. Please note that this
function will only be displayed after you set up a networked storage (NAS). For more information about
how to set up network storage, please refer to page 124.
■ Move to preset location
Select a preset location you've configured. Note that please configure Preset locations first. For
detailed information, please refer to page 98~100. Another checkbox will appear, Capture media
after moving to the location. You can select to record associated snapshot, video clip or system
event once the event is triggered and the camera moves to the preset location. See Add Media in the
following discussion.
To set an event with recorded video or snapshots, it is necessary to configure the server and media
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