7.1Thermalcameratroubleshooting
Problemswiththethermalcameraandtheirpossiblecausesandsolutionsaredescribedhere.
ProblemPossiblecausesPossiblesolutions
CameraisinStandbymode.ThecamerawillnotdisplayvideoifitisinStandbymode.Usethecamera
controls(eitherthethermalcameraapplicationorJCU)to“wake”the
camerafromstandby.
Problemwiththethermalcameravideo
connections.
•Checkthermalcameravideocablesaresoundandproperlyconnected.
•Ensurethatthevideoisconnectedintovideoinput1atthemultifunction
displayorGVM.
•Ensurethatthecorrectvideoinputisselectedatthedisplay.
Videonotdisplayed.
Problemwithpowersupplytothecamera
orJCU(ifusedastheprimarycontroller)
•CheckthepowerconnectionstothecameraandJCU/PoEinjector(if
used).
•Ensurethatthepowerswitch/breakerison.
•Checkthefuse/breakerstate.
Cannotcontrolthermalcamerafrom
Raymarinedisplayorkeyboard.
Thermalcameraapplicationisnotrunning.
Ensurethethermalcameraapplicationisrunningonthemultifunction
display(asopposetothevideoapplicationwhichdoesnothavecamera
controls).
Checkthatthecontrollerandthermalcameraarecorrectlyconnectedto
thenetwork.(Note:ThismaybeadirectconnectionorviaaRaymarine
networkswitch.)
CheckthestatusoftheRaymarinenetworkswitch.
Networkproblem.
CheckthatSeaTalk
hs
/RayNetcablesarefreefromdamage.
Controlconict,e.g.causedbymultiple
usersatdifferentstations.
Ensurethatnoothercontrollersareinuseatthesametime.
Checkpower/networkcablingtothecontrollerandPoEinjector(PoEonly
usedwithoptionalJoystickControlUnit).
Erraticorunresponsivecontrols.
Problemwiththecontroller.
Checkothercontrollersifavailable.Ifothercontrollersareoperatingthiswill
eliminatethepossibilityofamorefundamentalcamerafault.
Cameraisnotadualpayloadmodel.Only“dualpayload”(duallens)thermalcamerassupportVIS/IRswitching. Cannotswitchbetweenthermaland
visible(VIS/IR)videoimage.
VIS/IRcablenotconnected.EnsurethattheVIS/IRcableisconnectedfromthecameratothe
Raymarinesystem.(TheIR-onlycabledoesnotsupportswitching).
Poorqualityorfaultyvideocable.
Ensurethatthevideocableisnolongerthannecessary.Thelongerthe
cableis(orthesmallerthewiregauge/thickness),themoreseverethe
lossesbecome.Useonlyhighqualityshieldedcablesuitableforamarine
environment.
Noisyimage.
Cableispickingupelectromagnetic
interference(EMI)fromanotherdevice.
•Ensureyouareusingahighqualityshieldedcable.
•Ensurepropercableseparation,forexampledonotrundataandpower
cablesincloseproximitywitheachother.
Displaybrightnessissettoolow.Usethebrightnesscontrolsatthedisplaytoadjustaccordingly.
Thecontrastorbrightnesssettingsinthe
thermalcameraapplicationaresettoo
low.
Usetheappropriatemenuinthethermalcameraapplicationtoadjustthe
contrastandbrightnessoftheimage.
Imagetoodarkortoolight.
TheSceneModeisnotappropriateforthe
currentconditions.
AparticularenvironmentmaybenetfromadifferentSceneModesetting.
Forexample,averycoldbackground(suchasthesky)couldcausethe
cameratouseawidertemperaturerangethanappropriate.UsetheSCENE
button.
Imagefreezesmomentarily.FFC(FlatFieldCorrection).
TheimagewillpausemomentarilyonaperiodicbasisduringtheFlatField
Correction(FFC)cycle.JustpriortotheFFC,asmallgreensquarewill
appearintheupperleftcornerofthescreen.
Imageisinverted(upsidedown).Camera“Balldown”settingisincorrect.
EnsurethattheBalldownsettingwithinthethermalcamerasystemsetup
menuissetcorrectly.
38T-Series