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匿名
发表于 2012-7-25 15:28
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来自： 中国上海
PA/Loudhailer System
One Public address system to be provided according to relevant SOLAS and class requirements, comprising following equipment and functi***:
One PA and Loudhailer system to include:
• Two (2) microphone inputs with priority
• Six (6) individual call zones plus “call all”
• Input from telephone system
• Muting of external alarm device - Fire / General Alarm
• General Alarm input signal from Fire Alarm system (master)
Note! Audible General Alarm is covered by PA in cabins only. |
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提升卡
变色卡
