Owner's manual

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NAV440UserManual
7430‐0131‐01Rev.F
Page67
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Preamble PacketType Length Termination
0x5555 0x4152 0x00 <CRC(U2)>
Theunitwillsendthispacketinresponsetoanalgorithmresetcommand.
SoftwareResetCommand
Table22SoftwareResetCommand
SoftwareReset(‘SR’=0x5352)
Preamble PacketType Length Payload Termination
0x5555 0x5352 0x00 — <CRC(U2)>
ThiscommandperformsacoreCPUreset,functionallyequivalenttoapowercycle.Alldefaultpower‐upfield
settingswillapply.Theunitwillrespondwithsoftwareresetresponsebeforethesystemgoesdown.
SoftwareResetResponse
Table23SoftwareReset
SoftwareReset(‘SR’=0x5352)
Preamble PacketType Length Termination
0x5555 0x5352 0x00 <CRC(U2)>
Theunitwillsendthispacketinresponsetoasoftwareresetcommand.
CalibrateCommand
Table24CalibrateCommand
Calibrate(‘WC’=0x5743)
Preamble PacketType Length Payload Termination
0x5555 0x5743 0x02 <WCpayload> <CRC(U2)>
Thiscommandallowstheusertoperformvariouscalibrationtaskswiththe440Seriesunit.Seethecalibration
ommandtablebelowfordetails.Theunitwillrespondimmediatelywithacalibrateresponsecontainingthe
alibrationRequest
c
c
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receivedoranerrorresponseifthecommandcannotbeperformed.
Table25WCPayload
WCPayloadContents
Byte
ffset
O
Name Format Scaling Units Description
0 calibrationRequest U2 — — Therequestedcalibrationtask
Currently,magneticalignmentistheonlyfunctionsupportedbythecalibratecommand.Therearetwomagnetic
alignmentproceduressupported;(1)magneticalignmentwithautomaticyawtrackingtermination,andmagnetic
alignmentwithoutautomatictermination.