17.12Fishnderdisplaymodes
Selectingashnderdisplaymode
Fromtheshnderapplication:
1.SelectMenu.
2.SelectDisplayMode.
3.Withdualfrequencypresetset,selectAdjusttoselectwhich
frequencydisplayyouwishtochange.
SelectingAdjustinDualfrequencypresetwillswitchbetween
Frequency1andFrequency2.
4.SelecttheSelectModemenuitem.
5.Selecttherequireddisplaymode:
•None
•Zoom
•BottomLock
•A-Scope
Fishnderzoommode
Thezoomdisplaymodemagniesaregionoftheshnder
screentodisplaymoredetail.
Thiszoomoptionenablesyouto:
•Replacethestandardshnderimagewiththezoomedimage,
ordisplaythezoomedimagealongsidethestandardshnder
image.
•Setthezoomfactortoapredenedlevel,oradjustitmanually.
•Repositionthezoomedportionoftheimagetoadifferentpoint
inthedisplay.
Whentherangeincreases,theareashowninthezoomwindow
alsoincreases.
Zoomsplit
Withthezoomdisplaymodeyoucansplitthescreenand
displaythezoomedimagealongsidethestandardshnder
image(ZOOMSPLIT).Thezoomedsectionisindicatedonthe
standardshnderscreenbyazoombox.
Selectingsplitscreeninzoommode
Fromtheshnderapplication,withthezoomdisplaymode
selected:
1.SelectMenu.
2.SelectDisplayMode.
3.SelectZoomsothatSplitishighlighted.
SelectingZoomwillswitchbetweenSplitandFull.
Adjustingtheshnderzoomfactor
Whenthezoomfunctionisactive(ZoomFullorZoomSplit),you
caneitherselectapredenedzoomfactororadjustitmanually.
Fromtheshnderapplication,withZoompresetselected:
1.SelectMenu.
2.SelectDisplayMode.
3.SelectZoomFactor.
4.SelectapresetZoomFactor(x2,x3,x4)orselectManual
OnceselectionismadeyouwillbereturnedtotheDisplay
Modemenu.
5.IfManualischosenselectManualZoom
Themanualzoomfactordialogisdisplayed.
6.Adjustthesettingtotherequiredvalue.
7.SelectBackorusetheOkbuttontoconrmthesetting.
Adjustingthepositionoftheshnderzoomedarea
Whenthezoomfunctionisselected,thesystemautomatically
selectsthezoompositionsothatthebottomdetailsarealways
inthelowerhalfofthedisplay.Ifrequiredyoucanreposition
theportionoftheimagetobezoomedsothatanalternative
areaisdisplayed.
Fromtheshnderapplication,withZoompresetselected:
1.SelectMenu.
2.SelectDisplayMode.
3.SelectZoomPosition.
Thezoompositionmenuisdisplayed.
4.SelectZoomPosition.
Selectingthezoompositiondisplaysthezoompositionslider
barcontrol.
5.Adjustthesettingtotherequiredvalue,orselectAutoto
switchtoautomatic.
FishnderA-Scopemode
TheA-Scopemodeenablesyoutoviewalive(ratherthan
historical)imageoftheseabedandshdirectlybelowyour
vessel.
Thestandardshnderdisplayshowsahistoricalrecordof
shnderechoes.Ifrequired,youcandisplayaliveimageofthe
bottomstructureandtheshdirectlybelowthetransducerby
usingtheA-Scopefeature.Thewidthofthebottomcoveredby
theA-Scopeisindicatedatthebottomofthewindow.A-Scope
providesamorepreciseandeasiertointerpretindicationofthe
targetstrength.
TherearethreeA-Scopemodes:
Mode1Mode2Mode3
TheA-scopeimageis
centredinthewindow.
Theleft-handsideof
theMode1imageis
expandedtogivea
moredetailedview.
TheA-scopeimage
anglesoutwardas
signalwidthincreases
withdepth.
SelectingA-Scopemode
Fromtheshnderapplication,withtheA-Scopedisplaymode
selected:
1.SelectMenu.
2.SelectDisplayMode.
3.SelectA-ScopeMode.
4.SelectA-ScopetodisplayalistofA-Scopemodes.
5.SelecttherequiredA-Scopemode.
192NewaSeries/NewcSeries/NeweSeries