System Description

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SystemDescriptionandInstallationManualforRangeFinder ICD10000‐01

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Step Message Msg

Direction

FieldName

 DataValues(Hex) Data/FunctionalDescription Doc.

Section

Thismessagemustbesentperiodically(between1to5Hz)to

maintainOperatingmode

MessID [06] 

PacketLen [0C]

Squawk [029C] SquawkCode=1234

Mode/Config [0A] TurnRangeFindertoON,andADS‐BOuttoON.

Emergency/Ident [00] SetEmergency=noneandIdentoff

Altitude [8000] UseRangeFinderinternalpressureencoder.

AltitudeRate [0004] SetAltitudeRate=+256ft/min.

Heading [F000] SetHeadingto315°

AirSpeed [8064] SetAirSpeedto100knots

Checksum [C0]

5 ReceiveanddecodeAcknowledgeMessage(ACK)

 ACK Received

byhost

StartByte [AA] 8.4.2

MessType [80] 

MessID [06]

PacketLen [05] 

Ack’dMessType [03] ACKmessageisreturnedtoindicatethatRangeFinderreceivedthe

OperatingMessage.

ACKissentpriortoSystemStatebyteupdatetoclearExtended

Squitterfailflag.

GPSDatafailwillbesetuntilusersendsGPSpositiondata.

SystemState [28] RangeFinderon,nosystemfail,TSOvalid,WeightonWheelson,

StandbyMode

PressureAltitude [000277] Pressurealtitudeis631feet

Checksum [D9] 

6 Ifspecifiedbytheinstallationmessage,constructandsendGPSNavigationDataMessage(ContinuetoconstructandsendGPSDataMessageat1‐5Hz)

 GPSData Sentfrom

host

StartByte [AA]  8.3.5

MessType [04] SendGPSnavigationdata.Thismessagemustbesentperiodically

(between1to5Hz)tomaintainvalidGPSdata.

MessID [07] 

PacketLen [3F]

GPSLongitude: [31323231392E373530

3032]

122.329167DegreesWest

GPSLatitude: [343733372E32323430

30]

47.620400DegreesNorth

SpeedOverGround: [3132352E3830] 125.80knots

GroundTrack: [3037372E35323030] 77.5200Degrees