Terms
Alerts
Announcement of abnormal situations and conditions requiring attention. Alerts are divided in
four priorities: Emergency Alarms, Alarms, warnings and cautions.
Alarm
High priority of an alert. A condition requiring immediate attention and action, to maintain the
safe navigation and operation of the ship.
Bridge workstation
Position at which a person is expected to be when performing one of the normal bridge duties at,
for example, the following workstations:
• centre line conning.
• bridge wing(s).
• main radar.
• chart table.
• helmsman.
• communication.
Caution
Lowest priority of an alert. A condition which does not warrant a CAUTION or warning condition,
but still requires attention and out of the ordinary consideration of the situation or of given
information.
Combined EPIRB/VDR capsule
Single unit which meets all the requirements of a satellite EPIRB (as required by the carriage
requirements of SOLAS IV) and all the requirements of a VDR (as required by the carriage
requirements of SOLAS V).
Configuration Data
Describes the vessel's equipment, its installation on the vessel and its relation to the VDR. The
storage and playback software uses this data to store the data record and to convert the data
record into information that assists casualty investigation during playback.
Data
Any item of information received by the VDR for recording, including numerical values, text and
audio or radar signals and including all configuration data, except where specifically stated or
where the context dictates otherwise.
Dedicated reserve power source
A battery, with suitable automatic charging arrangements, dedicated solely to the VDR. This
battery is contained within the Core Module.
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