Furuno FMD-3200 Operator's Manual page 364

25. ALERT MANAGEMENT SYSTEM (option)
Category of alerts
Each alert is further put into category A, category B, or category C.
Category
of alert
Category A
Category B
Category C
Category of alert and alert acknowledgement location
• A category A alert cannot be acknowledged at the AMS; it must be acknowledged at
the equipment that generated the alert.
• A category B alert can be acknowledged at either the AMS or the equipment that
generated the alert.
• A category C alert cannot be acknowledged at the AMS; it must be acknowledged at
the equipment that generated the alert.
• All caution alerts are a part of category B. Caution alerts neither sound the buzzer
nor require acknowledgement.
Category A alert
Audible signal: Yes Audible signal: Yes
Acknowledge: Possible
Category B alert
Audible signal: Yes
Acknowledge: Possible
Category C alert
Audible signal: Yes Audible signal: Yes
Acknowledge: Possible
25-2
Category A alerts, which must acknowledged at the unit generating the
alert, are as follows
• Danger of collision
• Danger of grounding
Category B alerts are alerts where no additional information for decision
support is necessary besides the information that is shown at the central
alert management HMI. Category B alerts are all alerts not falling under
category A.
Category C alerts are specified as alerts that cannot be acknowledged on
the bridge but for which information is required about the status and treat-
ment of alerts; for example, certain alerts from the engine.
Alert generated Alert generated
External External
Equipment Equipment
Acknowledge Acknowledge
Alert generated
External
Equipment
Acknowledge
Alert generated Alert generated
External External
Equipment Equipment
Acknowledge Acknowledge
Description
Audible signal: No Audible signal: No
AMS AMS
Acknowledge: Not possible
Audible signal: Yes
AMS
Acknowledge: Possible
Audible signal: Yes
AMS AMS
Acknowledge: Not possible