Power Gems EB1812P - Front Panel Controls and Operation; Front Panel Overview; Quick Start Guide; Power Input Requirements

Dimmer/frequency
control
StatusIndicators
FrontPanelControls
Start&StopBuons
PowerSwitch/
CircuitBreaker
PowerInputCable
orconnector
PowerIndicators
OutputMode
Indicators
DMXChannel
indicaon
ModeSelector/
AutoMode
OutputSockets
QuickStart
ConnecttoanACsupply.Plugthefixtureintotheoutputconnector,switchontheballastatthePower
SwitchandthenpresstheStartbuon.Thelampshouldstrikeandwillthentakeacoupleofminutesto
comeuptofullpower.Ifthereis
aproblemtheballastwillindicatethisonthefrontpanelLEDs.

PowerIn
TheballastshouldbeconnectedtoanACmainssupplyintherange195‐265V.Inthecaseofasupply
undervoltagetheballastwillkeeprunningbutbelow165Vitwillreduceitsoutputpower
inorderto
keepthelamplit.Ifthesupplyreachesaround125Vtheballastwillswitchoff.Supplyover‐voltages
shouldbeavoidedastheycandamagetheballast.

TheGreen/YellowEarthwireinthemainscablemustbeconnectedtosupplyearthtoensureoperator
safety.

OutputConnectors

Theoutputconnectorsvarydepending ontheindividualconfiguraon.Alabelplacedaboveeachoutput
connectorindicatesthetypeandpoweroflightfixtureitissuitablefor.Onlyonelampmaybeconnect‐
edatame.Theballastwillautomacallysensewhichsocketisin
useandsupplytheappropriatepow‐
er.(OnunitsforusewithLTMfixturestheremaybeapowerselectswitchonthefrontpanel.Theballast
willonlystartiftheswitchisinthecorrectposion.)

Start&Stop
Theballastcanbestartedusingthe
frontpanelcontrols,thebuonsorswitchesonthelighthead,or
remotelyusingDMX.WhenusingARRIfixturestheballastcanbestoppedandstartedfromthehead
usingtherockerswitch.Forsafetyiftheballastispoweredupwiththerockerswitchclosedtheheadwill
notstartunltheStartbuonispressedortherockerswitchisopenedandre‐closed.
AutoStart
Theballastcanbesettostartassoonaspowerisappliedbypunginto‘AutoMode’.Todothishold
theModebuonfor5seconds
unlthe‘Auto’LEDlightsupatthecornerofthedisplay.Repeatthe
processtotaketheballastoutofAutoMode.Theautomodesengisrememberedatpower‐off.

DMX
TheDMXacveLEDwillilluminatewhenaDMXsignalisdetected.The
StartandDimmerbuonswill
notfunconinDMXmode.TheDMXbasechannelisindicatedonthedisplayandthischannelcontrols
dimming.ThenextchannelupcontrolsballastON/OFF—sengavalueabove50%switchestheballast
on.TochangeDMXchannelholddowntheStop
buonandadjustusingtheUpandDownbuons.

Dimmer
Varieslamppowerbetween40‐100%.Thedimmerwillnotoperateunlthelamphaswarmedup.

PowerIndicators
TheseLEDsshowthecurrentoutputpower.Iftheballastissensingbetweentwodifferentlamppowers
a
lowerpowerlampmaynotbeindicatedunlthelamphascomeuptooperangtemperature

ModeSelector
Theballastoffers4outputfrequencysengs.3ofthesemodesofferflicker‐freelight,and‘Silent’isa
low‐noisesengbutthelight
outputisnotflicker‐freeandthecamerashouldbesetupaccordingly.
Duringnormaloperaontherecanbeadegreeofmovementinthearcofthelampwhichcanbepicked
upbythecamera.Selecngahigheroperangfrequencycanreducetheamountof
arcmovement.

Thehighestfrequencymodeavailableontheballastisthe1000Hzmodewhichcanbehelpfulinprovid‐
ingthemoststablearcforHighSpeedFilming.Howeverthereisthepossibilitywiththismodethat
‘acouscresonance’inthelampcausessignificantinstabilityandsome
manualtuningoftherunning
frequencymayberequired.TodothisholddowntheStartbuonandusetheUpandDownbuonsto
adjustthefrequencywhilstlookingforthemoststablelightoutput.Theoperangfrequencycanbe
adjustedintherange900‐1100Hz.This
modeisonlyavailableon9kWlampsorlowerinpower.

AutoScan
In1000Hzmodetheballastcanautomacallytunetheoperangfrequencyratherthanusingmanual
tuningasabove.Togetthebestresultswithautomactuningthelampshouldbeuptofullopera
ng
temperature(runformorethan20minutes).HolddowntheStartbuonandthenpresstheFullbuon
for2seconds.Thedisplaywillchangetoarotangpaern,andyouwillheartheballastscanning
throughtheoperangfrequencyrange.Thefullscan
takesabout100seconds.Attheendofthescan
periodtheballastmovestothefrequencywhichshowedthebeststability.Insomecasesasmallmanual
frequencyadjustmentmayberequired.ToabortthescanatanypointpressStartandFullfor2seconds.

VoltDropCompensa
on
Theballastmeasuresthevoltdropinthecablebetweentheballastandthelightfixture.Thisallowsthe
powerlossinthecabletobecalculated.Theoutputpoweristhenincreasedbythisamountsothelamp
runningpowerremainsattheratedvaluenomaer
whatheadleadlengthisused.