System Description

SystemDescriptionandInstallationManualforRangeFinder ICD1000001
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Step Message Msg
Direction
FieldName
18
DataValues(Hex) Data/FunctionalDescription Doc.
Section
PacketLen [05] 
WSInterrogationType [02] ModeCWhisperShout
WSFirstStep
Amplitude
[1A] Startingat55dBm
StepSizeandCount [01] 1dBpowerattenuationperstep
StepCount [05] 5stepsinWSSequence
SuppressionOffset&
AntennaSelection
[06] Thesuppressionpulseisattenuatedby6dB
Useinstallationdefaultantenna(bottom)
Checksum [87]
11b ReceiveanddecodeAcknowledgeMessage(ACK).
ACKwillnotbereturnedifHostComputercommandsaninterrogationpriortocompletingpriorinterrogationcommandprocess.
Acknowledge
Message
Received
byhost
StartByte [AA]


8.4.2


MessageType [80]
MessageID [00]
PacketLen [05]
Ack’dMessType [B0] AcknowledgeModeCWhisperShoutInterrogationRequest
SystemState [00]
PressureAltitude [000277]
Checksum [AF]
11c ReceiveanddecodeInterrogationResponseMessage.
5ModeCrepliestopreviousWhisperShoutinterrogation
ModeC
Interrogation
Response
Received
byhost
StartByte [AA] 8.4.11
MessageType [A2]
MessageID [00]
PacketLen [14]
PressureAltitude [00D0]
Range [0045]
PressureAltitude [01C0]
Range [0045]
PressureAltitude [02B0]
Range [0045]
PressureAltitude [03A0]
Range [0045]
PressureAltitude [0490]
Range [0045]
Checksum [33]