Utc Fire & Security Americas Corporation, Inc.

Geoffrey Prewett

James P Speir

A digital video system comprises a plurality of recorders and a client device. The recorders store digital video from a common source. The client device comprises a screen, an input device, and a processor configured to run a graphical user interface (GUI). The GUI comprises a timeline, a selection indicator, availability indicators, and event tags. The timeline is adjustable by user input. The selection indicator is movable on the timeline by user input, and designates a time of interest. The availability indicators indicate aggregate availability statuses of video at each time on the timeline, from the plurality of recorders. The event tags indicate types and times or time ranges of events on the timeline. The client device is configured to receive video availability information from the plurality of recorders, and the processor is configured to update the GUI as the aggregate availability status of video changes.

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Beijing, China

Geoffrey Prewett