Fire system is disabled but the speakers still hum when we cause alarms. The system is old not programmed very well. We disable the speaker inputs also. The blue switch box on the lower left corner of the xp1 has several dip switches.
Fire system is disabled but the speakers still hum when we cause alarms. The system is old not programmed very well. We disable the speaker inputs also. The blue switch box on the lower left corner of the xp1 has several dip switches.
That's nice.
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