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User's Manual - 81
An event is an action initiated by a user-defined trigger source; it is the causal arrangement of the
following three elements: Trigger, Event Schedule, and Action.
Trigger
This is the cause or stimulus which denes when to trigger the Network Camera. The trigger source can
be congured to use the Network Camera’s built-in motion detection mechanism or external digital input
devices.
There are several choices with trigger sources as shown below.
Select the item to display the detailed
conguration options.
■ Video motion detection
This option makes use of the built-in motion detection mechanism as a trigger source. To enable this
function, you need to congure a Motion Detection Window rst. For more information, please refer to
Motion Detection on page 66 for details.
■ Manual Trigger
This option allows an event to be manually triggered using the Manual Trigger buttons on the home
page.
■ Periodically
This option allows the Network Camera to trigger periodically for every other defined minute. The
maximum duration is to 999 minutes.
■ Digital input
This option allows the Network Camera to use an external digital input device or sensor as a trigger
source. Depending on your application, there are many choices of digital input devices on the market
which helps to detect changes in temperature, vibration, sound, and light, etc.
■ System boot
This option triggers the Network Camera when the power to the Network Camera is disconnected and
restored.
■ Recording notify
This option allows the Network Camera to trigger when the recording disk is full or when recording