
Parameters
Relatedtopics
•VerticalViewmenuonpage112
•DirectionIndicatoronpage131
Dateandtimeproperties
Dialogdescription
TheDateandtimepropertiesdialogboxisopenedbypressingthe
TimeorDatebuttonsinthedefaultStatusparameterdialogat
thebottomofthemenus.
TheDateandtimepropertiesdialogboxisprovidedbythesonar’s
operatingsystem,anditisusedtochangetime,dateandtime
zonesettings.Thetimeanddateinformationisbatterypowered
andstoredinthememorywhenthesonarisswitchedoff.
Dateandtimedialogoptions
•Timeadjustment:Usethecursorandselecttheactualdigit.
Thenusethetwoarrowbuttonsinthespinboxtoadjust.
•Dateadjustment:Usethespinboxesandthecalendarto
changemonth,yearanddate.
•Timezone:Usethelistboxtoselectyourgeographical
positionforthecorrecttimezone.
Relatedtopics
•Statusonpage162
DeadReckoning
Dialogdescription
TheDeadReckoningparameterisactivatedwhenyouclickthe
DeadReckoningbuttonintheSetupmenu.
TheDeadReckoningfunctionisusedtoimprovethepositionof
thehistoricaltracklinefromthevessel,relativetotheactual
positionofthedriftingshinggear.Inordertogetcorrectdead
reckoning,aDopplerspeedlogmustbeconnectedtothesonar.
WhenDeadReckoningisswitchedoff,thevesselmovementand
tracklinewillbecalculatedfromtheGPSdata,whichthenwill
berelativetothebottom.Whenswitchedon,theinputsfromthe
gyroandspeedlogareusedtopositioningthevesselrelativeto
thewater.
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