Data Video DVK-100 Mk II Bedienungsanleitung

DVK100MkII

DualChannelChromaKeyer

InstructionManual

http://www.datavideotek.com

Rev:290807

2

Contents

WarningsandPrecautions4

Warranty 5

Whatisinthepackage 5

Introduction6

Backdrops 6

Lighting6

WhiteBalance7

Functions8

FrontPanel8

RearPanel  10

Installation  12

SettingUp  13

Connections  13

Power  13

Cameras 13

BackgroundVideo  14

Monitors  15

Output 16

UsingtheDVK100 17

PoweringUp 17

ChromaKeying 17

EdgeAdjustment(Shrink) 18

SubjectDensity 19

SpillAdjustment 19

WindowAdjustment  20

SettingsLock 21

Reset 21

LumaKeying 22

LumaKeyInstallation  22

LumaKeySettings 23

ColourProcessor 26

Still–FreezeFrame 26

GPIControl 27

3

UsingtheDVK100MkIIwiththeDatavideoTD1  28

RS232Information  30

Specifications 30

OptionalAccessories  31

ServiceandSupport  32

4

WarningsandPrecautions

1. Readallofthesewarningsandsavethemforlaterreference.

2. Followallwarningsandinstructionsmarkedonthisunit.

3. Unplugthisunitfromthewalloutletbeforecleaning.Donotuseliquidoraerosolcleaners.Useadamp

clothforcleaning.

4. Donotusethisunitinornearwater.

5. Donotplacethisunitonanunstablecart,stand,ortable.Theunitmayfall,causingseriousdamage.

6. Slotsandopeningsonthecabinettop,back,andbottomareprovidedforventilation.Toensuresafe

andreliableoperationofthisunit,andtoprotectitfromoverheating,donotblockorcoverthese

openings.Donotplacethisunitonabed,sofa,rug,orsimilarsurface,astheventilationopeningson

thebottomofthecabinetwillbeblocked.Thisunitshouldneverbeplacednearoroveraheatregister

orradiator.Thisunitshouldnotbeplacedinabuiltininstallationunlessproperventilationisprovided.

7. Thisproductshouldonlybeoperatedfromthetypeofpowersourceindicatedonthemarkinglabelof

theACadapter.Ifyouarenotsureofthetypeofpoweravailable,consultyourDatavideodealeror

yourlocalpowercompany.

8. Donotallowanythingtorestonthepowercord.Donotlocatethisunitwherethepowercordwillbe

walkedon,rolledover,orotherwisestressed.

9. Ifanextensioncordmustbeusedwiththisunit,makesurethatthetotaloftheampereratingsonthe

productspluggedintotheextensioncorddonotexceedtheextensioncord’srating.

10.Makesurethatthetotalamperesofalltheunitsthatarepluggedintoasinglewalloutletdonot

exceed15amperes.

11.Neverpushobjectsofanykindintothisunitthroughthecabinetventilationslots,astheymaytouch

dangerousvoltagepointsorshortoutpartsthatcouldresultinriskoffireorelectricshock.Neverspill

liquidofanykindontoorintothisunit.

12.Exceptasspecificallyexplainedelsewhereinthismanual,donotattempttoservicethisproduct

yourself.Openingorremovingcoversthataremarked“DoNotRemove”mayexposeyouto

dangerousvoltagepointsorotherrisks,andwillvoidyourwarranty.Referallserviceissuesto

qualifiedservicepersonnel.

13.Unplugthisproductfromthewalloutletandrefertoqualifiedservicepersonnelunderthefollowing

conditions:

a. Whenthepowercordisdamagedorfrayed;

b. Whenliquidhasspilledintotheunit;

c. Whentheproducthasbeenexposedtorainorwater;

d. Whentheproductdoesnotoperatenormallyundernormaloperatingconditions.Adjustonly

thosecontrolsthatarecoveredbytheoperatinginstructionsinthismanual;improperadjustmentof

othercontrolsmayresultindamagetotheunitandmayoftenrequireextensiveworkbyaqualified

techniciantorestoretheunittonormaloperation;

e. Whentheproducthasbeendroppedorthecabinethasbeendamaged;

f. Whentheproductexhibitsadistinctchangeinperformance,indicatinganeedforservice.

5

Warranty

Datavideowarrantsthattheequipmentitmanufacturesshallbefreefromdefectsinmaterialand

workmanshipforaperiodof12monthsfromthedateofproductpurchased.Ifequipmentfailsduetosuch

defects,Datavideowill,atitsoption,repairorprovideareplacementforthedefectivepartorproduct.

Equipmentthatfailsafterthewarrantyperiod,hasbeenoperatedorinstalledinamannerotherthanthat

specifiedbyDatavideo,orhasbeensubjectedtoabuseormodification,willberepairedfortimeandmaterial

chargesattheBuyer’sexpense.ThiswarrantydoesnotaffectyourstatutoryrightswithintheCountryof

purchase.

ForEUCustomersonlyWEEEMarking.

Thissymbolontheproductindicatesthatitwillnotbetreatedashouseholdwaste.Itmustbehandedoverto

theapplicabletakebackschemefortherecyclingofelectricalandelectronicequipment.Formoredetailed

informationabouttherecyclingofthisproduct,pleasecontactyourlocalDatavideooffice.

WhatisinthePackage

1 x DVK100MkIIChromaKeyUnit

1 x InstructionManual(thisdocument)

1 x PowerSupply(12V3.0A)

1 x PowerCord

2 x SVideo(Y/C)PlugtoPlugCable1.2m

1 x BNCPlugtoPlugCable1.2m

6

Introduction

TheDatavideoDVK100isatwochannellivechromakeyer.Ithas manyadvancedfeatureswhichcangive

excellentresultsevenfromlessthanperfectChromaKeysetups.AlthoughtheDVK100isequippedwith

excellentedgecontrolsitisalwaysbesttostartwiththebestkeyableimageyoursetupisabletoproduce.

PleasereadtheseadvisorynotesbeforeusingtheDVK100asthecamera,backdropandlightingsetupsall

playanimportantroleinproducingthebestresult.

Wewouldstronglyrecommendtheuseofathreechip(3CCD)cameraforchromaeffectshooting.Theextra

imageclaritythatathreechipcameraproducesgreatlyimprovesthequalityofthekeying.Itisalsobestto

useSVideo(Y/C)cableswhereverpossible.AnSVideosignaloffersbettercolourseparationthana

Compositevideosignal,andagainthisgreatlyimprovesthequalityofthekeying.

Backdrops

TherearemanydifferentpossibilitieswhenitcomestosettingupaChromaKeyStudio.

InapermanentsetuptheuseofGreenScreenorBlueScreenPaintisideal.Paintingawallisthecheapest

wayofproducingaGreenorBluebackdropandthereareseveralsuppliersofspecialistbackdroppaint

whichisexactlytherightshadeandtextureforkeyingpurposes.

Foralesspermanentarrangementclothisanexcellentoption.Againtherearespecialistmanufacturers

producingGreenandBlueScreenclothwhichistherightshadeandtexturetogiveexcellentkeyingresults.

Clothisquicktosetup,androllaway,andisfarmoredurablethanpaper.Clothisalsolesslikelytofade

thanpaper,andgenerallygivesfarbetterperformance.Itisimportanttoensuretherearenocreasesorfolds

inthebackdropasthesemayproduceareasofunevenlighting.

AnotheralternativewellworthconsideringisaRetroReflectiveClothBackdropsuchastheDatavideoRF

3025

RetroReflectiveBackdropsareusedinconjunctionwithLEDLiteRingsthatmountonthelensofthe

camera,suchastheDatavideoCKL100.Theuniquepropertiesofthebackdropwillallowyoutogetaway

withhavingtheoddcreaseline,andthewholesystemisextremelyquicktosetup.Ifyouarelookingfora

portablesystemyouwillbehardpushedtobeattheLEDLightRing/RetroReflectiveClothcombination.

Lighting

Lightingofyourchosenbackdropisextremelyimportant;themoreeventhelightingonthebackdropthe

betterthefinishedresult.Lightingsetupsfortheforegroundwillvaryaccordingtotheeffectyou’reafter,but

asfaraschromakeyingbackdropsareconcernedevenlightingwithnohotspotsorshadowareasistheaim.

Thisiseasiesttoachievewithasetupsomethinglikethis:

Inthediagramyouwillseewerecommendaminimumof1mbetweensubjectandbackdrop,itisalways

easiertogetevenlightingifthisdistanceisgreater,sopleasethinkof1mastheabsoluteminimum.The

foregroundlightingonthesubjectwillobviouslyvaryaccordingtotheeffectthatyouarelookingforandas

longasthebackdropisevenlylitthisshouldnotbeaproblem.

7

WithRetroReflectiveClothlightingisalittledifferent.ThebackdroprequiresnolightingastheLEDLight

Ring,whichismountedonthecameraprovidesallthelightingforthebackdrop.A RetroReflectiveClothset

upwouldbemorelikethis:

WhiteBalance

WhiteBalanceisextremelyimportantwhensettingupachromakeystudio.Thecameramustbecorrectly

whitebalancedtopreventthesubjectpickingupanycolourcastfromthebackground.Ofcoursethewhite

balancesettingswillvaryaccordingtothetypeoflightingyouareusing,butneutralwhitesaretheall

importanttarget.

Tosetthewhitebalanceyouwillneedawhitereferencecard(orasheetofwhitepaper).Focusthecamera

onthereferencecardandlightitevenlyusingthemainlight.Setthecamerasiris/aperturesothatthecard

iscorrectlyexposed.UsetheAuto WhiteBalancefunction,orsetthewhitebalancemanuallysothatthe

cardappearswhite. Ifinanydoubtabouthowtowhitebalanceyourcamera,pleaserefertoyourcamera

instructionmanualfordetails.

8

Functions

TheDVK100MkIIhasthreeinputs(twocamerainputsandonebackgroundinput).Eachoftheinputscan

besettoY/C(SVideo)orComposite.Alltheoutputs,oneY/C(SVideo)andtwoComposite,are

simultaneouslylive.WerecommendthatY/Cisusedforthecamerainputswhereverpossible.

FrontPanel

CAM1(Green)andCAM2(Blue)areusedtoselecttheinputthatyouwanttouse

orsetup.Theactiveinputwillbeilluminatedinred.Eachcamerainputhasindividual

settings.Thesettingsarenonvolatile(theyremainstoredevenwhentheDVK100is

switchedoff).Thesettingsforbothcamerascanbelockedbypressingandholding

eithercamerabuttonfortwoseconds.Whenlockedtheactivecamerabuttonwillturn

amberinsteadofred

TheAdjustmentKnobisusedtoalterwhicheverfunctionisactive.Theunityposition,

indicatedingreenistheneutralsetting.Theadjustmentscaleismarkedinnominal

settingsfrom3to+3.Theadjustmentcanalsobeusedtoresetanyvaluetofactory

default;activatethefunctionyouwanttoresetbypressingtheappropriatefunction

button,andthenpushtheadjustmentknobin,youwillseetheLEDmeterreturnto

unity.

TheArrowButtonsadjustthewindowsizeandtheleftandrightedge.Thespill

buttonadjuststhecolourbalanceofthekeyedimage;itenablesyoutocorrectany

colourimbalancethatremainsontheforegroundimageoncethebackdrophasbeen

keyedout.

Thewindowsizecanbesettoremoveanyunwantedgarbagefromtheforeground

image.Oftenyourbackdropdoesnotfillthewholescreen,particularlyifyouwant

yoursubjecttoappearsmallinthefinishedimage.YoucanusetheUp/Down/Left/

Rightarrowstomakethekeyingwindowsmallersothatonlyyourbackdropisbeing

keyed.

ToadjustleftorrightedgepressandholdtheLeftorRightArrowfortwoseconds,

thebuttonwillflash.Whilethebuttonisflashingyoucanadjusttheedgedetailofthe

subject,youwillseethevalueontheLEDmeterabovetheadjustmentknob.

TheColorProcessorbuttonactivatesthecolourprocessoradjustments(seebelow)

forForeground(Cam1orCam2)orBackground.Thebuttonwillbeilluminatedred

whenforegroundisselected.

9

TheColorProcessorAdjustmentsallowcoloursaturation,brightness,contrastand

tint(NTSConly)tobeadjustedforboththeforeground(Cam1/Cam2)and

backgroundimages.Theselectedparameter,whichwillbeilluminatedred,is

adjustedusingtheAdjustmentKnob.Cam1andCam2storeseparatevalues,so

differentcolourprocessorsettingscanbeusedoneach.

TheStillbuttonenablesyoutograbafreezeframeimagefromeitherthebackground

orforegroundinputs.Thiscanbeusefulwhensettingup.

N.B.Thecolourprocessoradjustmentswillnotfunctionifyouareholdingafreezeframe.

TheResetbuttonresetsaforegroundchannel(Cam1orCam2)tofactorydefault.

Thiswillresetallcharacteristicsofachannel(COLORPROC./GREEN/BLUE/

LUMA /LEVEL/WINDOW/SHRINK/DENSITY/SPILL)

TheChromaKeybuttonswitchesthekeyingeffectonoroff.Intheoffpositionthe

foregroundchannel(Cam1orCam2)willpassdirectlytotheoutputmonitor,

completewithbackdrop.Whenswitchedonthebuttonwillbeilluminatedredtogether

withthechosenkeyingoption(Green,BlueorLuma)seebelow.

Green,BlueandLumaarethethreekeyingoptionsavailable. WiththeChromaKey

buttonswitchedon,youcanselectthekeyingoptionto suityourneeds.Theselected

optionwillbeilluminatedred.Whenthebuttonisilluminatedredyoucanadjustthe

keyingcolour,tofinetuneitforyourstudio;youcanseethesettingontheLEDmeter

abovetheadjustmentknob(althoughwhatappearsonyourmonitorismore

important).

Ifanotheradjustmenthasbeenselected,suchasdensityorspill,thekeyingoption

lightwillbeilluminated50%toindicatewhichoptionyouhaveselected.

LevelorDensityadjuststherangeofthekeyer.Thebuttonwillbeilluminatedred

whenactive.Thevalueisadjustedusingtheadjustmentknob,youwillseethelevel

ontheLEDmeterabovetheknob(althoughwhatappearsonyourmonitorismore

important).

Ifthebackgroundisperfectlylitalowvaluewillbeadequate,iftherearevariancesin

thebackgroundahighervaluewillallowyoutoremovethem.

Thesubjectdensitycanalsobeadjusted.Ifyoupressandholdthebuttonfortwo

secondsthebuttonwillflash,whilethebuttonisflashingyoucanadjustsubject

density.InGreenorBluemodesalowvaluemakesthesubjectsolid,theedgeswill

besharperandanyshadownoisewillbehigher,ahighervaluemakesthesubject

moretransparent,theedgeswillbesofterandtheshadownoiselower.

InLumamodethesubjectdensitywilladjustthewhitegradientofthesubject

10

RearPanel

TheInputSelectSwitchescanbesettoCV(CompositeVideo)orS(SVideo

(Y/C)).AlwaysuseSVideoifavailable.Seteachinputaccordingtothevideo

signalyouareconnecting.

CAM1(GREEN)andCAM2(BLUE)VideoInputsforconnectingthetwo

foregroundvideoimages.ThereareCompositeandSVideoInputs,atthetop

andCompositeandSVideoLoopThroughoutputsbelow.TheSVideoinputcan

bemonitoredfromtheCompositeVideoLoopThroughifrequired.TheSVideo

LoopThroughisonlyactiveiftheSVideoinputisused.

N.B.ForbestresultsalwaysuseanSVideosignalifavailable.

BackgroundInput(BGInput)forconnectingthevideofeedfromyourbackground

source.ThiscouldbefromaVTRorDVDplayer forexample.TheComposite

andSVideoInputsareatthetop,andtheLoopThroughOutputsarebelow.The

SVideoinputcanbemonitoredfromtheCompositeVideoLoopThroughif

required.TheSVideoLoopThroughisonlyactiveiftheSVideoinputisused.

TheMainVideoOutputshowsthefinalresultofthekeyer.Therearetwo

compositeoutputsandoneSVideo(Y/C),allthreeareactivesimultaneously.It

isadvisabletoconnectamonitortooneoftheoutputssothatyoucansee

exactlywhattheDVK100isoutputting.

PowerSwitch,switchestheDVK100on/off.

DCIn.ConnectthepowersupplytotheDCIn,thereisalockingcollaronthe

powersupplyleadwhichscrewsontothesockettoensureapositiveconnection.

ItisalsopossibletopowertheDVK100fromasuitable12VBatteryPack,but

pleaseensurethatthepowerisregulated.

GroundingTerminal.

Whenconnectingthisunittoanyothercomponent,makesurethatitisproperly

groundedbyconnectingthisterminaltoanappropriatepoint. Whenconnecting,

usethesocketandbesuretousewirewithacrosssectionalareaofatleast1.0

mm2.

DipSwitches/ModeSelect

TheDVK100canbesettovariousmodesusingtheDipSwitches.

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