Vivotek SD8111 Specifications download pdf (Page 75)

VIVOTEK

User's Manual - 75

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 denes when to trigger the Network Camera. The trigger source can

be congured to use the Network Camera’s built-in motion detection mechanism or external digital input

devices.

There are several choices of trigger sources as shown below.

Select the item to display the detailed

conguration 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 congure a Motion Detection Window rst. For more information, please refer to

Motion Detection on page 64 for details.

■ Periodically

This option allows the Network Camera to trigger periodically for every other dened minute. Up to 999

minutes are allowed.

■ 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.

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Vivotek SD8111 Specifications Page 75