
List of Abbreviations
The following abbreviations may be in common use throughout this document:
ADPCM – Adaptive Differential Pulse-Code Modulation
AIS – Automatic Identification Systems
BNC – Bayonet Neil-Concelman (or sometimes British Naval Connector)
CD-ROM – Compact Disc-Read Only Memory
COTS – Commercial Off-the-Shelf
CPU – Central Processing Unit
dB – Decibels
DAU – Data Acquisition Unit
DMM – Data Management Module
DPU – Data Processing Unit
ECDIS – Electronic Chart Display and Information System
ECS – Electronic Chart System
EPIRB – Emergency Positioning Indicating Radio Beacon
FRM – Final Recording Medium
g – Grams
GB – Gigabyte
GMT – Greenwich Mean Time
GPS – Geographical Positioning System
HBS – Horizontal Back Sync
HVR – Hardened Voyage Recorder
Hz - Hertz
IBS – Integrated Bridge System
IDEA – International Data Encryption Algorithm
IEC – International Electrotechnical Commission
IMO – International Maritime Organization
kg – Kilogram
LCD – Liquid Crystal Display
LED – Light Emitting Diode
m – Metres
mA – milliamps
MB – Megabyte
mm – Millimetres
MMSI – Maritime Mobile Service Identity
NMEA – National Marine Electronics Association
OAU – Operation & Alarm Unit
O/S – Operating System
oz – Ounces
PC – Personal Computer
VDR-100G3/G3S Installation Manual 15/01/2009
RUT-TD-10-001 Rev. 1.4 III