Simrad SIMRAD HS50 manual Invalid Position alarm, Invalid Heading alarm

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Simrad HS50 Heading Sensor

Invalid Position alarm

Activated if the system has been unable to determine position the last two seconds, or if the HDOP value is greater than 4.

See No valid data, page 46 for troubleshooting. The following alarm text will be displayed:

Invalid Heading alarm

Activated 300 seconds after the system is unable to determine GPS heading and the HDT-Q indication has become invalid.

Invalid Heading, page 47 for troubleshooting. The following alarm text will be displayed:

Invalid Position and Heading alarm

If both heading and position data is invalid, the display will show:

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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