System Description

SystemDescriptionandInstallationManualforRangeFinder ICD1000001
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Table877isanOperationalUseCaseexamplethatassumestheoperatorhasanewFlightIDtoload,thecurrentope rationalmodeisSTBY,the
InstallationdatafromthepreviousInstallationUseCaseexample,andtheaircraftisontheground.
Table877OperationalUseCaseExampleData
Step Message Msg
Direction
FieldName
18
DataValues(Hex) Data/FunctionalDescription Doc.
Section
1 LoadFlightIDconstructandsendFlightIDMessage.
 FlightID Sentfrom
host
StartByte [AA] 8.3.3
MessType [02] 
MessID [05]
PacketLen [0C] 
FlightID [4141313233342020] LoadFlightID.FlightIDisstoredinRangeFindervolatilememory
andmustbeloadedwheneverpowerisremoved.
FlightID=AA1234
Reserved [00000000]
Checksum [87] 
2 ReceiveanddecodeAcknowledgeMessage(ACK)
 ACK Received
byhost
StartByte [AA]  8.4.2
MessType [80]
MessID [05] 
PacketLen [05]
Ack’dMessType [02] ACKmessageisreturnedtoindicatethatRangeFinderreceivedthe
FlightIDMessage.
SystemState [08] TheSystemStatebytewillcontinuetoshowGPSData,andExtended
SquittererrorsuntiltheHostComputerprovidesOperatingandGPS
DataMessages
PressureAltitude [000277] Pressurealtitudeis631feet
Checksum [B7]
3 ReceiveanddecodeFlightIDResponseMessage
 FlightID
Response
Received
byhost
StartByte [AA] 8.4.4
MessType [82] 
MessID [05]
PacketLen [0C] 
FlightID [4E32353637474120] FlightIDwasstoredcorrectly.FlightID=N2567GA
Reserved [00000000] 
Checksum [07]
4 ConstructandsendOperatingMessage(ContinuetoconstructandsendOperatingMessageat15Hz)
 Operating Sentfrom
host
StartByte [AA] 8.3.4
MessType [03] EstablishesRangeFinderOperatingMode.