Raymarine 150/400 Installation Manual download pdf (Page 73)

Chapter 4: Fault Finding & Maintenance 65

Glossary

Term Meaning

AST

(Advanced Steering

Technology)

AST (Advanced Steering Technology) is Raymarine’s unique advanced steering

algorithm. It uses inputs from a wide variety of sensors to tune the autopilot’s

operation to provide superior control of the boat in any condition.

AutoLearn Self-learning calibration feature available on S1G, S2G and S3G systems.

AWG American Wire Gauge

CE Marked on products that comply with defined European Community

standards

CR pump Constant Running hydraulic pump

EMC

(Electromagnetic

Compatibility)

When powered up, all electrical equipment produces electromagnetic fields.

These can cause adjacent pieces of electrical equipment to interact with one

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 core pack

GPS Global Positioning System

GyroPlus Raymarine’s GyroPlus yaw sensor that measures the boat’s rate of turn. It is

built into the S1G, S2G and S3G systems.

Hz Hertz (cycles per second)

I/O drive Inboard/Outboard or stern drive

MARPA Mini Automatic Radar Plotting Aid

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.

SeaTalk SeaTalk is Raymarine’s proprietary communication system. It links products to

provide a single, integrated system sharing power and data.

SeaTalk bus This refers to the continuous SeaTalk system connecting together a series of

Raymarine units.

Yaw Boat’s rate of turn (°/sec)

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Raymarine 150/400 Installation Manual Page 73