Raymarine 150/400 manual Glossary, Term Meaning

Glossary 47

Glossary

Term	Meaning
°	degrees
A	Amps
AST	AST (Advanced Steering Technology) is Raymarine’s unique advanced
(AdvancedSteering	steering algorithm. It uses inputs from a wide variety of sensors to tune the
Technology)	autopilot’s operation to provide superior control of the boat in any condition.
AutoLearn	Self-learning calibration feature available on Type 150G and Type 400G
	course computers.
AWG	American Wire Gauge
CE	Marked on products that comply with defined European Community
	standards
CR pump	Constant Running hydraulic pump
EMC	When powered up, all electrical equipment produces electromagnetic fields.
(Electromagnetic	These can cause adjacent pieces of electrical equipment to interact with one
Compatibility)	another, and this can degrade their performance. By following the EMC
	guidelines in this handbook, you can minimize these effects by ensuring
	optimum Electromagnetic Compatibility (EMC) between equipment.
Fluxgate	Standard Raymarine compass supplied with course computer core pack
ft	foot (1 ft = 305 mm)
GPS	Global Positioning System
GyroPlus	Raymarine’s GyroPlus yaw sensor that measures the boat’s rate of turn. It is
	built into the Type 150G and Type 400G course computers.
Hz	Hertz (cycles per second)
I/O drive	Inboard/Outboard or stern drive
in	inch (1 in = 25.4 mm)
kg	kilograms (1 kg = 2.2 lb)
lb	pound (1 lb = 0.45 kg)
m	metre (1 m = 39.4 inches)
MARPA	Mini Automatic Radar Plotting Aid
mm	millimeter (1 mm = 0.04 inches)
NMEA	The NMEA (National Maritime Electronics Association) protocol is an
	internationally accepted serial communication interface standard for
	sharing data between electronic equipment. Raymarine products can share
	information with non-SeaTalk equipment using the NMEA 0183 protocol.