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4-5. Camera DO - A triggered alarm triggers a camera's DO, e.g., an alarm siren.
4-6. Camera pan-tilt-zoom - A PTZ capable camera can move its lens to the preset position
in case of a triggered alarm. For example, a triggered sensor may indicate an area of
interest has been intruded, and a camera's field of view should be moved to cover that
area. The precondition is that you properly set up preset positions on your PTZ cameras
using a local or a web console.
VIVOTEK - Built with Reliability
User's Manual - 81
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