44
S1 Wheel and Tiller Pilots Operating Guide
Glossary
Term
Meaning
AST
Advanced Steering Technology (AST) 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
Selflearning calibration feature available on S1G, S2G and S3G autopilot sys
tems.
AutoTrim
The AutoTrim setting determines the rate at which the autopilot applies ‘stand
ing helm’ to correct for trim changes caused by varying wind loads on the sails
or superstructure.
AWG
American Wire Gauge.
CE
Marked on Raymarine products that comply with defined European Commu
nity standards.
counter rudder
Counter rudder is the amount of rudder the autopilot applies to try to prevent
the boat from yawing off course. Higher counter rudder settings result in more
rudder being applied.
CR pump
Constant Running hydraulic pump.
DC
Direct current.
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 guide
lines 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.
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 course computers.
I/O drive
Inboard/Outboard or stern drive.
MOB
Man overboard.
nm
Nautical mile.
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