Owner's manual


NAV440UserManual
7430‐0131‐01Rev.F
Page83
Chapter10. ProgrammingGuidelines
Theadvancedcommandsallowuserstoprogrammaticallychangethe440Seriesunitsettings.Thissectionofthe
manualdocumentsallofthesettingsandoptionscontainedundertheUnitConfigurationtabwithinNAV‐VIEW2.2.
Usingtheseadvancedcommands,thesettingsofaunitcanbemodifiedwithoutNAV‐VIEW2.2.
ConfigurationFields
Configurationfieldsdeterminevariousbehaviorsoftheunitthatcanbemodifiedbytheuser.Theseincludesettings
likebaudrate,packetoutputrateandtype,algorithmtype,etc.ThesefieldsarestoredinEEPROMandloadedon
RF
powerup.ThesefieldscanbereadfromtheEEPROMusingthe command.Thesefieldscanbewrittentothe
EEPROMaffectingthedefaultpowerupbehaviorusingthe
WFcommand.
Thecurrentvalueofthesefields(whichmaybedifferentfromthevaluestoredintheEEPROM)canalsobeaccessed
usingthe
GFcommand.Allofthesefieldscanalsobemodifiedimmediatelyforthedurationofthecurrentpower
cycleusingthe
SFcommand.TheunitwillalwayspowerupintheconfigurationstoredintheEEPROM.
Configurationfieldscanonlybesetorwrittenwithvaliddatafrom
Table58below.
Table58ConfigurationFields
index Configurationfields FieldID ValidValues Description
1 packetratedivider 0x0001
0,1,2,4,
20,25,
5,10,
50
quiet,100Hz,50Hz,25Hz,20
4Hz,2Hz
Hz,10Hz,5Hz,
2 SerialPortABAUDrate 0x0002 0,1,2,3 9600,19200,38400,57600
3 Continuouspackettype 0x0003
Anyoutput
ackettype
p
Notalloutputpacketsavailableforallunit
functions.Seedetailedfielddescriptions
.
below
4 Reserved 0x0004 N.A.
5 Reserved 0x0005 N.A.
6 Reserved 0x0006 N.A.
7 Orientation 0x0007 Seebelow
Determineforward,rightward,anddow
facingsides
nward
8 UserBehaviorSwitches 0x0008 Any FreeIntegrate,UseMags,UseGPS,etc.
9 XHardIronBias 0x0009 Any I2scaledfrom(‐1,1)
10 YHardIronBias 0x000A Any I2scaledfrom(‐1,1)
11 SoftIronScaleRatio 0x000B Any U2scaledfrom(0,2)
12 HeadingTrackOffset 0x000C Any
Heading‐TrackOffsettouseinNAVfiltertrack
updatemode.
NOTE:BAUDrateSFhasimmediateeffect.Someoutputdatamaybelost.ResponsewillbereceivedatnewBAUD
rate.
NOTE:Onlyconfigurationfields1,2,3,7,8,13,16,17,18,19,22,25,26,27,and34areapplicablefor“architectures
4and5.”