Raymarine a75 Operation Instructions

Thermalandvisible-lightoperation
“Dualpayload”thermalcamerasareequippedwith
2cameras—athermalimaging(infrared)camera
andavisible-lightcamera.
Thermalcamera—
providesnight-time
imagery,basedon
temperaturedifferences
betweenobjects.
Thermalimaging
producesaclearimage
evenintotaldarkness.
Visible-lightcamera
—providesblackand
white(orgreyscale)
imageryduringthe
dayandinlow-light
conditions.Helpsto
improvenavigational
abilitiesinlow-light
conditions;forexample
duringtwilighthours
whenoperatingalong
intercoastalwaterways
andnearharbor
entrances.
Note:TheT470SC
andT473SChave
acolorcameraand
continuouszoom
lens.
Switchingbetweenthermalandvisible-light
cameralenses
Withthethermalcameraapplicationdisplayed:
1.SelectMenu.
2.SelectImageOptions.
3.UsetheImageTypemenuitemtoswitchbetween
IRandVisibleLightviews,asappropriate.
Thermalcamerarearviewmode
Therearviewmodeipsthevideoimagehorizontally,
providinga“mirrorimage”.
Thisisusefulforexampleininstanceswherethe
cameraisrear-facingandyouareviewingtheimage
onaforward-facingmonitor.
Enablingthermalcamerarearviewmode
Withthethermalcameraapplicationdisplayed:
1.SelectMenu.
2.SelectImageOptions.
3.SelectRearView.
SlewtoCue
Slewtocueisafeaturewhichmaintainsaselected
positionorobjectinthethermalcameraseldof
view.SlewtoCueoptionsareavailableinthechart
andradarapplicationsastargetcontextmenuitems.
Note:Headingdatamustbeavailableonthe
systemforSlewtoCuetoworkcorrectly.
Fordetailsonhowtoselectatargetto‘slewto’refer
totheradarandchartsectionsofyourmanual.
Thethermalcameracanalsoautomaticallyslewto:
•MOBtarget
•DangerousAIStarget
•DangerousMARPAtarget
Optionstoenableordisabletheautomaticslew
optionsareavailableinthethermalcamera
application
Settingthecamera'sheightabovesealevel
Toensurethatthethermalcamera’salignmentcan
besetcorrectlytheheightofthecameraabovesea
levelmustbeset.
Fromthethermalcameraapplication:
1.SelectMenu.
2.SelectCameraSet-up.
3.SelectSlewSettings.
TheSlewsettingspageisdisplayed.
4.SelectCameraheightabovesealevel.
TheCameraheightabovesealevelpopupis
displayed.
5.Adjustthevaluetotherequiredsetting.
Aligningthethermalcamerahorizontally
Ifyoundthatslewtocueobjectsareconsistently
toofarleftorrightonthescreenthenyoucan
makeneadjustmentstothecamerasalignmentby
followingthestepsbelow.
Fromthethermalcameraapplication:
1.SelectMenu.
2.SelectCameraSet-up.
3.SelectAligncamera.
TheAligncameratoboatpopupisdisplayed.
4.Adjustthevaluetotherequiredsetting.
Thisvaluewilladjustthecamera’soffsetposition
toportorstarboard.
Aligningthethermalcameraselevation
Ifyoundthatslewtocueobjectsareconsistently
tooloworhighonthescreenthenyoucanmakene
adjustmentstothecamerasalignmentbyfollowing
thestepsbelow.
Fromthethermalcameraapplication:
1.SelectMenu.
2.SelectCameraSet-up.
3.SelectElevAlign:.
TheAligncameratoboatpopupisdisplayed.
4.Adjustthevaluetotherequiredsetting.
Thisvaluewilladjustthecamera’soffsetposition
toportorstarboard.
Enabling/disablingautomaticslewtocue
Fromthethermalcameraapplication:
1.SelectMenu.
2.SelectCameraSet-up.
3.SelectSlewSettings.
TheSlewsettingspageisdisplayedwhich
includesthefollowingautoslewoptions:
•AutoSlewtoMOB
298
LightHousemultifunctiondisplayoperationinstructions

Raymarine a75 Specifications

General

Brand	Raymarine
Model	a75
Category	Marine Equipment
Language	English