Technical information

Functionsanddialogs
TosetupaninterfaceporttocommunicatewiththePIandITIsystem(s),use
thePortMonitordialog.
→Trawlonpage109
→PortManagementonpage118
TheTrawlechogramisonlydrawnwhentrawlpositioninformationisavailable.
3Scale
Whenenabled,equidistanthorizontalscalelinesaredrawninsidetheechogramin
thecurrentforegroundcolour;blackduringdayandwhiteduringnight.
Amaximumof50scalelinescanbeselected.
Noscalelinesaredrawnwhenthescalelinecountissettozero.
4VerticalTicks
Whenenabled,thisfunctionplacesverticalmarkersontheechogram.
aNone
Noverticalmarkersareshown.
bPing
Ifyouselectthisoption,ashortverticallineisdrawnintheupperpartofthe
echogramonceeveryspeciednumberofpings.
cTime
Thisoptionplacesashortverticallineintheupperpartoftheechogramonce
everyspeciednumberofseconds.
dDistance
Thisoptioninsertsashortverticallineisdrawnintheupperpartofthe
echogramonceeveryspeciednumberofnauticalmiles.
eAnnotations
SelectTextorLinetoallowannotationstobedisplayedintheechogramview.
IfyouselectLine,thetextannotationwillbefollowedbyaverticallinefor
improvedvisibility.
Relatedtopics
•SurfaceRangeonpage151
•BottomRangeonpage149
164692/D
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