Continuous activation
A continuous activation of any reset device shall not prolong the dormant period or cause a suppression of the sequence of indications and alarms.
Emergency call facility
Means may be provided on the bridge to immediately activate the second, and subsequently third, stage remote audible alarms by means of an “Emergency Call” push button or similar. Facilities shall be provided for an “Emergency Call” system.
Accuracy
The alarm system shall be capable of achieving the timings stated in above paragraph with an accuracy of 5% or 5 s, whichever is less, under all environmental conditions
