Raymarine E70085 Dragonfly - DownVision Application Overview; DownVision Controls and Context Menu

11.1DownVisionapplicationoverview
TheDownVisionapplicationprovidesadetailedstructureview
ofthebottomunderyourvessel,enablingyoutoaccurately
distinguishbottomstructure,andunderwaterobstacles.
DownVisionusesCHIRPprocessingwithacentered350KHz
pingfrequency,whichprovidegreaterdetailthanSonar.
Thestandardimageisahistorical,scrollingbottomgraph.
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Depthreading—Currentdepthofthebottom.
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Scrollingpaused—ScrollingpauseswhentheJoystickisusedto
movethecursoraroundthescreen).
3Depthlines—Horizontaldashedlinesdrawnatregularintervalsto
indicatethedepthfromthesurface.
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Cursor—Displayedincursormode.
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Depthmarkers—Thesenumbersindicatedepth.
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Speed—CurrentvesselSpeedOverGround(SOG).
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Watertemperature—Currentwatertemperature.
ThevariousfunctionsandfeaturesoftheDownVisionapplication
include:
•Zoomdisplaymode.
•Adjustablerangeandzoom.
•Settingstoadjusttheimage.
•Pausingandadjustingthespeedofthescrollingimage.
•Usingwaypointstomarkaposition.
•Determiningdepthsoftargets.
TheDownVisionapplicationusesmonochromecolorpalettes
withshadingtodifferentiatebetweentargetstrengthswhich
providesapictorialview.
11.2SonarandDownVisionapplication
controls
TheSonarandDownVisionapplicationseachconsistof2
modes:ScrollingmodeandCursormode.Optionsandsettings
areavailableviatheapplicationandcontextmenus.
Scrollingmode
WhentheSonarorDownVisionapplicationisopenedthe
applicationwillbeinScrollingmode.Inscrollingmodesonar
historyisdisplayedandscrolledfromlefttorightacrossthe
screen.
ThefollowingcontrolsapplyinScrollingmode:
•WithRangesettomanualtheRotarycontrolisusedto
rangeinandout.
•presstheOKbuttontoopentheapplicationmenu.
•presstheBackbuttontoopentheViewswitcher.
•movetheJoystickinanydirectiontoenterCursormode.
Cursormode
InCursormodethescrollingispausedandthecursorcanbe
movedaroundthescreen.
ThefollowingcontrolsapplyinCursormode:
•WithRangesettomanualtheRotarycontrolisusedto
rangeinandout.
•usetheJoystickdirectionalcontrolstomovethecursor
aroundthescreen.
•presstheOKbuttontoopenthecontextmenu.
•presstheBackbuttontoreturntoScrollingmode.
Menusanddialogs
Withamenuordialogopenthefollowingcontrolsapply:
•usetheRotarycontrolorJoystickdirectionalcontrolsto
scrollthroughtheavailableoptions.
•usetheOKbuttontoselectahighlightedoptionorconrm
popupmessages.
•presstheBackbuttontoreturntothepreviousmenuorto
closethemenu.
Placingawaypoint
Toplaceawaypointfollowthestepsbelow.
1.UsetheJoysticktohighlightthedesiredlocationwiththe
cursor.
2.PresstheOKbutton.
Thecontextmenuisdisplayed.
3.SelectPlaceWaypoint.
Aconrmationpopupmessageisdisplayed.
4.SelectOktoplacethewaypoint,orEdittoeditthewaypoint
details.
Awaypointisplacedatthecursor’slocation.
DownVisioncontextmenu
TheDownVisionapplicationincludesacontextmenuwhich
providesdataandshortcutstomenuitems.
Thecontextmenuprovidesthedataforthepositionofthecursor:
•Depth
•Range
Thecontextmenualsoprovidesthefollowingmenuitems:
•PlaceWaypoint
•AdjustDVision—(openstheAdjustDownVisionmenu.)
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