TT-3000E mini-C GMDSS User Manual - Polaris-as.dk

TT-3000E mini-C GMDSS User Manual
containing commands that are understood and interpreted
by the MES. And this is the most common purpose for
sending a poll: Instructing the MES to do something.
Some of the poll commands are defined by Inmarsat and
are therefore available via standard services on the LES; this
includes download and management of DNIDs and
configuration of position reporting. Position reporting need
not be configured via poll, though; once the DNID has been
downloaded, the reporting can also be set up at the MES
using the message terminal (this will be covered in section
5.5.26 Position & GPS).
3.3 SAFETY AND DISTRESS CAPABILITIES
The TT-3000E system is a SOLAS GMDSS installation that
provides maritime distress capabilities. This section gives
an overview of how the maritime safety system works and
how this applies to this particular installation type. It is
important to understand that this section is only meant as
an introduction and it cannot replace proper education in
safety and rescue at sea.
First, a few definitions:
• IMO (the International Maritime Organization) is
– as the name implies – an international
organization that coordinates, regulates and
standardizes maritime practice.
• SOLAS (Safety Of Life At Sea) is a convention
under IMO that specifically deals with safety and
rescue issues.
• GMDSS is the emergency system that is now
implemented to ensure safety at sea. This
system was adopted and approved by SOLAS in
1988 and is based solely on automated radio
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