VK2-1080VRD(IR)3V9(F) manual V1.0
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Alarm In
Select “Enable” to activate the alarm event. The network camera supports 1 alarm input port.
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Type:
Choose the type of alarm you wish to use from the drop-down list.
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Dwell Time:
Set the dwell time of an event lasts for the specified dwell time from the
point of detection of an alarm input.