Owner's manual

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Page98
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NAV440UserManual
7430‐0131‐01Rev.F
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Table91softwareDataBITField
SoftwareDataBITField Bits Values Category
calibrationCRCError 0
0=normal,1=incorrectCRCon
asbeen

calibrationEEPROMdataordatah
compromisedbyaWEcommand.
Hard
magAlignOutOfBounds 1
0=n
para
ormal,1=hardandsoftiron
metersareoutofbounds
Hard
Reserved 2:15 N/A 
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hardwareStatusField
ThehardwareStatusfieldcontainsflagsthatindicatevariousinternalhardwareconditionsandalertsthatarenot
errorsorproblems.ThehardwareStatusflagintheBITstatusfieldisthebit‐wiseORofthelogicalANDofthe
hardwareStatusfieldandthehardwareStatusEnablefield.ThehardwareStatusEnablefieldisabitmaskthatallows
theusertoselectitemsofinterestthatwilllogicallyflowuptothemasterStatusflag.
Table92hardwareStatusField
hardwareStatusField Bits Values
unlocked1PPS 0 0=notasserted,1=asserted
unlockedInternalGPS 1 0=notasserted,1=asserted
noDGPS 2 0=DGPSlock,1=noDGPS
unlockedEEPROM 3
0=loc
enab
ked,WEdisabled,1=unlocked,WE
led
Reserved 4:15 N/A
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comStatusField
ThecomStatusfieldcontainsflagsthatindicatevariousexternalcommunicationconditionsandalertsthatarenot
errorsorproblems.ThecomStatusflagintheBITstatusfieldisthebit‐wiseORofthelogicalANDofthecomStatus
fieldandthecomStatusEnablefield.ThecomStatusEnablefieldisabitmaskthatallowstheusertoselectitemsof
interestthatwilllogicallyflowuptothemasterStatusflag.
Table93comStatusField
comStatusField Bits Values
noExternalGPS 0 0=externalGPSdataisbeingreceive
oexternalGPSdataisavailable
d
1=n
Reserved 1:15 N/A
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