JRC JHS-770S - Glossary of Terms

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Glossary of terms
This section contains general and DSC terms related to this equipment.
● General terms
AIS（Automatic Identification System）
Equipment that transmits a ship's Maritime Mobile
Service Identity number, ship name, ship position,
speed, orientation, and other information to and
from other ships. AIS equipment is required on
some ships by the International Convention for
the Safety of Life at Sea (SOLAS)
ATIS （ Automatic Transmitter Identification System ）
This is used for notification of the radio station ID
to receivers when using European inland
waterway (IWW) channels.
CCG（Canadian Coast Guard）
Canadian Coast Guard
DSC（Digital Selective Calling）
Used in routine calls, safety and urgency calls,
and distress calls for rescue request.
GMDSS （ Global Maritime Distress and Safety System ）
Global Maritime Distress and Safety System
GPS（Global Positioning System）
Global Positioning System
IMO （ International Maritime Organization ）
International Maritime Organization
Intercom
Wired communications equipment or functionality
ITU （ International Telecommunication Union ）
Establishes conventions and regulations for all
electrical communications, wired and radio, land,
sea, air, space. It contains internal organizations
such as WARC, ITU-R, and ITU-T.
ITU-R
The International Telecommunication Union (ITU)
radio communications department
IWW（Inland Waterway）
Inland Waterway
LT（Local Time）
Local Time
MMSI（Maritime Mobile Service Identity）
The 9-digit Maritime Mobile Service Identity
number assigned to each ship and coast station.
NMEA （ National Marine Electronics Association ）
Maritime equipment transmission standard
established by the National Marine Electronics
Association
NNSS （ Navy Navigation Satellite System ）
Doppler based satellite positioning system
operated by the United States Navy.
PA（Public Address）
General name for electric sound amplification
equipment
PTT（Push To Talk）
Handset button pressed to talk
RCC（Rescue Co-ordinate Center）
In Japan, the Japan Coast Guard.
RMS（Remote Maintenance System）
Transmits ship equipment information temporarily
stored in VDR via Inmarsat to land, for use in
maintenance and management of radio
equipment.
R.R（Radio Regulations）
Intergovernmental treaty text of the ITU
SAR Convention （ International Convention
on Maritime Search and Rescue ）
International Convention on Maritime Search and
Rescue
SOLAS Convention （ International Convention
for Safety of Life at Sea
）
The international convention applied to all ships
engaged on international voyages. A safety
certificate is issued if the conditions of this
convention are satisfied.
SQL（Squelch）
A function that acts to suppress the audio
output of a receiver in the absence of a
sufficient radio strength signal.
Station
A radio station, or a control terminal for radio
equipment