Simple and highly reliable system configuration Optical dual looping of the facilities monitoring network (in the ATM system) and visual monitoring network, both on independent leased lines, for high reliability in information transmission. Transmission of camera switching control data and of simultaneous station address information (audio signals) on the same network.

Adoption of open system Windows NT used on facility monitoring devices at all stations and the disaster prevention center. A PC server installed at the disaster prevention center for central management of information and for information searches between monitoring terminals through the client-server network.

Enhanced human interface Introducing a 50-inch Digital Light Processing (DLP) high microdisplay

System Configuration System functions:Monitoring of disaster prevention facilities, fire/smoke monitoring alarm, operational record monitoring, guidance functions

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