Simrad SIMRAD HS50 manual Abbreviations and acronyms, Nmea

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Simrad HS50 Heading Sensor

 

Abbreviations and acronyms

CEP

Circular Error Probability

COG

Course Over Ground

DGPS

Differential GPS

DU

HS50 Display Unit

EPE

Estimated Position Error

GPS

Global Positioning System

GSA

A standard NMEA message including GPS satellite ID

 

numbers, PDOP, HDOP and VDOP

HDOP

Horizontal Dilution Of Precision

HGT

GPS Antenna Height above the WGS-84 ellipsoid

IEC

International Electrotechnical Commission

IMO

International Maritime Organization

I/O

Input/Output

NMEA

National Marine Electronics Association. NMEA 0183 is a

 

standard for interchange of information between navigation

 

equipment

PDOP

Positional Dilution Of Precision. This is the sum of the VDOP

 

and HDOP figure

PSXN20

A proprietary NMEA message including position, height and

 

heading quality information

PU

HS50 Processing Unit

RFI

Radio Frequency Interference

RF

Radio Frequency

RMS

Root Mean Square

ROT

Rate of Turn

RRE

Range Residual Error, a proprietary format

RTCM

Radio Technical Commission of Maritime Services

SOG

Speed over Ground

SSB

Single Side Band

UTC

Universal Time Co-ordinate. This is the official time in the

 

world and has replaced GMT (Greenwich Mean Time) as the

 

official time

VDOP

Vertical Dilution Of Precision

VHF

Very High Frequency

WGS-84

World Geodetic System of 1984

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20221081 / F

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Contents Simrad HS50 Heading Sensor Copyright 20221081 / F Document revisions Contents Operating Instructions Figures and Drawings This page Intentially Left Blank Introduction HS50 System components20221081 / F About this manual Definitions, abbreviations and acronymsDefinitions Abbreviations and acronyms NmeaHealth, environment and safety Restrictions in guaranteeRestrictions in use Physical dimensions Performance dataSensor unit Display unitPower Environmental specificationProcessing unit Cable InterfaceProcessing unit to sensor unit cable General Cable connectionGrounding Sensor unit Location of the unitMechanical installation Bracket mounting option Cable wiring Pedestal mounting optionWaterproofing the connectors Display unitPanel mounting Alternative panel mountingBracket mounting option Display unit cable Processing unit Cable connections Display Unit Sensor Unit Connecting to Simrad equipment RGC Signal Interface unitAP9MK3 Autopilot J50/J300X Junction unit NI300XIS15 Instruments RGC12 Gyro Compass Simrad RA40/RA50 RadarSoftware setup procedure Display Adjustments ExampleDifferential corrections Data output All six serial lines may be used simultaneouslyEthernet GeneralHeight aiding Velocity filteringRadar format DatumExpert setup HDT-QRun mode Heading offsetExample Operating Instructions OverviewTurning the system ON/OFF Performance monitoring348 Navigation/HDT display Navigation/POS displayInfo displays Hdop PdopGps hdt Deviation Accuracy Last heading Common sat Alarms Invalid Position alarm Invalid Heading alarmInvalid Position and Heading alarm Operation Height aided GPS positionThis page Intentially Left Blank Maintenance Periodic maintenanceSoftware upgrades Re-calibration of the Sensor unitTroubleshooting Repairs and modificationsReplacing damaged cables Replacing damaged unitsNo response No valid dataNo Differential corrections Invalid HeadingReduced heading indication Simulated dataFigures and Drawings Dimensions SeatexSensor unit bracket, dimensions Kongsberg SeatexSensor unit Processing unit, dimensions Display unit, dimensions Standard delivery Optional equipmentDocumentation