Instruction Manual

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7
Figure20BITConfiguration
ViewingCurrentConfiguration
Toviewthecurrentconfiguration,clicktheGetAll
Values
button.Thecurrentsettingswillbe

displayedinthetextfields.
Under
CurrentValue,aboxfilledwithbluecolor
indicatesthestatusfieldisenabled.Referto
Figure
20.
ChangingConfigurations
Toviewthecurrentsettings,clicktheGetAll
Valuesbutton.
TomodifyStatusField(s):
fy
1. Checkmarkthedesireditem(s)under
Modi
2. ForeachStatus,checkorunchecktheitem
nder
.
(statusbit)u
3.
Enable/Disable
Selecteither
TemporaryorPermanent.
Temporary:Theconfigurationwillnotbe
storedinnon‐volatilememory(EEPROM).The
configurationwillbeapplied,buttheunitwill
Permanent
returntothe configurationwhenit
isrebooted.
Permanent:Theconfigurationwillbestoredin
itwillcontinueto
nfiguratio ingrebooted.
non‐volatilememory.Theun
usetheco nafterbe
4.
ClicktheSetValuesbutton.
heconfigurationvalueswillbesavedas
pecified:TemporaryorPermanent.
T
s
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AligningtheMagnetometer
Thissection ationaboutaligningthemagnetometeraswellastheinstructions.providestechnicalinform
• 7
TechnicalOverview,page5
• AlignmentInstructions,58

TechnicalOverview
nal
GNAV540UserManual
7430‐0808‐01Rev.B
Page5
Forproperalignment,theGNAV540unitmustbeinstalledinthesystem;thesamerulingappliesforanexter
magnetometer.
IfthecalibrationprocessisrunwiththeGNAV540byitself,notinstalledinthefieldsystem,therewillbeno
correctionsforthemagnetisminthefieldsystem.Afterwards,whentheGNAV540unitisinstalledinthesystem
(suchasavehicle)andifmagneticfieldsarepresentinthesystem,errorswilloccurduetothemagnetismofthe

system.
Aftercompletingthealignmentprocedure,theheadingaccuracyshouldbeverifiedwithallthirdpartysystems
activelyusingaknownreferencesuchasacompassrose,GPStrackoracalibratedcompass.Headinginaccuracies