A clean recording of the on-board fire system self-testing with a spoken warning message: "Fire System Pressure OK". This is activated by switching on the battery master switch, which can be heard at the beginning of this recording. The bus is a Volvo Wright Gemini Eclipse double-decker. Transportation,
Description: A clean recording of the on-board fire system self-testing with a spoken warning message: "Fire System Pressure OK". This is activated by switching on the battery master switch, which can be heard at the beginning of this recording. The bus is a Volvo Wright Gemini Eclipse double-decker.
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