OPR are designed for speech notification (informing) people about the occurrence of fire, evacuation routes, modes of operation of automatic fire protection system and other emergencies, reproduction of speech and special signals in sounding and broadcasting systems. ODA works as part of the fire alarm system "RUBETEK", together with the device receiving and controlling fire and fire control addressable analogue radio channel PPK-02-250 "RUBETEK".
ERPs are designed to work as part of notification and evacuation control systems in case of fire.
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