9-1-2 Section 9: Glossary
ST290 Instrument System Owner’s Handbook
GTO Great Circle
GyroPlus An autopilot yaw sensor that measures the boat’s rate of turn. It is built into the
150G and 400G course computers, and is an option for T150 and T400 course
computers.
KM Kilometer(s)
KM/H Kilometers per hour
KTS Knots
L/H Liters per hour
LTR Liter(s)
MPH Miles per hour
NM Nautical mile(s)
NMEA National Maritime Electronics Association. The NMEA provides protocols which
define an internationally accepted serial communication interface standards for
sharing data between electronic equipment. The ST290 system can share
information with non-SeaTalk equipment using the NMEA 0183 and NMEA 2000
protocols.
Profile A group of instrument chapters and pages to suit a specific purpose, e.g. Sail or
Power.
Response The sensitivity of an instrument, to data changes.
SeaTalk &
SeaTALK
2
Raymarine proprietary communication systems, each of which links products to
provide a single, integrated system sharing power and data.
SM Statute mile(s)
Smart Heading
Sensor
Source of ST290 heading information
SOG Speed Over Ground
81183_2 S9.book Page 2 Tuesday, May 6, 2003 9:13 AM
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