Vivotek IP9164-HT User Manual page 125

Once the triggers are configured, they will be listed under the VADP option.
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.
seconds
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User's Manual - 125