System Description

SystemDescriptionandInstallationManualforRangeFinder ICD10000‐01
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©SagetechCorporation2018ConfidentialProprietaryExportControlled Page36of130
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Table8‐9FlightIDMessageExampleData
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8.3.4 OperatingMessage:Type0x03
Theoperatingmessage:
 Sets squawk code (Mode A/4096 Code), altitude data (if desired), heading, airspeed, Range Finder
mode,andpowerupstate,andactivatestheIDENTfunction.
 MustbesenttotheRangeFinderperiodically(between1and5hertz).
Note: The Range Finder’s integrated pressure altitude sensor and
 encoder provide the
Range Finder with pressure altitude data in the expected format and with the required
accuracy. You can elect to use altitude data from an external source. However, Sagetech
recommends that you configure the Range Finder to use the pressure altitude source
integratedwiththeRangeFinder(thedefaultsetting).
An overview of the Operating Message is shown in Table 8‐10.Table 8‐11 provides the detailed message
definition.AnexampleoftheOperatingMessageisfoundinTable8‐12.
Table8‐10OperatingMessagePayloadStructureOverview
PayloadIndex MessageField Numberbytes
00 SquawkCode 2
02 Mode/Config 1
03 Emergency/Ident 1
04 Altitude 2
06 AltitudeRate 2
08 Heading 2
10 Airspeed 2
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 MessageField ByteValues(original) ByteMessageContent(Hex)
 StartByte AA [AA]
 MessageType 0x02FlightIDMessage [02]
 MessageID Anarbitrarynumberbetween0and255(inclusive)thatuniquelyidentifiesthemessage. [02]
 PayloadLength 12 [0C]
PAYLOAD
FlightID FlightID=AA1234 [4141313233342020]
Reserved  [ 00000000]
 Checksum 8‐bitarithmeticsumofmessagefromStartBytetolastbyteofthePayloadData. [84]