Alarm and PA/EMPA opons contains the alarm block me, whether to allow PA messages to be upgraded to EMPA during
an alarm and the ability of a new alarm to interrupt an EMPA message. The alarm block me is the me between the acva-
on of an alarm to when it is possible to give an EMPA message. This can be set to ensure that there is always a set amount
of me with alarm acve before it can be interrupted again. By default, this is zero seconds, meaning that it is possible to
give an EMPA immediately aer the acvaon of an alarm. No PA under alarm causes PA message to be ignored in an alarm
situaon rather than being upgraded to an EMPA. If this is enabled, it is not possible to give an EMPA message by pressing
the PA-buon on the 1601, 1605, 1606, 1643, the EMPA-buon must be used instead. If this is disabled, then pressing the
PA-buon will automacally upgrade the paging to EMPA. No alarm under EMPA will postpone alarm acvaons if an EMPA
is acve rather than interrupt the message if enabled. Once the EMPA is complete, the new alarm is acvated. If disabled, a
new alarm acvaon during an EMPA message will cancel the paging and go directly to the new alarm.
NORSOK mode changes the behaviour of the MPA1600 to comply with requirements for Norwegian oshore installaons. It
is not intended to be used for marime installaons. By default, this is disabled.
Alarm aenuaon can be enabled to apply an aenuaon factor to acve alarms aer a certain me period. The me is giv-
en in minutes aer the acvaon of the alarm and the aenuaon is given in dB. By default, no aenuaon is enabled.
Record trimming is to remove some period of sound from the end of recorded messages and can be useful with recorded
messages from PABX systems to avoid the sound of the person hanging up being a part of the recording being played.
Alarm synchronisaon meout is the meout used when waing for alarm sync from the other MPA1600 in an A/B-system.
This would normally not be changed from the default value unless a redundant A/B-system is present and one or more of the
external alarms connected to these systems have a large delay between the acvaons of the A- and B-systems.
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