回复 11# fcchinayoung
MSC 128(75)
4.1.2.1 Once operational, the alarm system should remain dormant for a period of between 3 and 12 min (Td). 4.1.2.2 At the end of this dormant period, the alarm system should initiate a visual indication on the bridge. 4.1.2.3 If not reset, the BNWAS should additionally sound a first stage audible alarm on the bridge 15 s after the visual indication is initiated. 4.1.2.4 If not reset, the BNWAS should additionally sound a second stage remote audible alarm in the back-up officer.s and/or Master.s location 15 s after the first stage audible alarm is initiated. 4.1.2.5 If not reset, the BNWAS should additionally sound a third stage remote audible alarm at the locations of further crew members capable of taking corrective actions 90 s after the second stage remote audible alarm is initiated. 4.1.2.6 In vessels other than passenger vessels, the second or third stage remote audible alarms may sound in all the above locations at the same time. If the second stage audible alarm is sounded in this way, the third stage alarm may be omitted. 4.1.2.7 In larger vessels, the delay between the second and third stage alarms may be set to a longer value on installation, up to a maximum of 3 min, to allow sufficient time for the back-up officer and/or Master to reach the bridge.
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