Christie CDXL-60 Bruksanvisning

Christie Projektor tillbehör CDXL-60

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Christie Xenolite® lamps
and Christie Solaria™
Series projectors
Usage best practices
How to calculate the amount of light required
The basic formula to calculate this theoretical light requirement is:
Lumens (L) = Average Screen Brightness desired (average fL)
X Screen Area (sq ft)
• Givenagoodlightdistribution,the“AverageScreenBrightness”
canbeestimatedbymultiplyingthecenterbrightnessdesiredby
0.95.Generallyacceptedpracticeforthetargetcenterbrightness
is:14fLfor2Dand4.5fLfor3D(lightmeasurementtakenthrough
3Dglasses).
Afteryouhavethe“Lumens”numberyouwoulddivideitbyall
signicantsystemefciencies.Someexampleswouldbe:
•
Screen gain: 1.0 to 2.4. Silver screens are   a 2.4. This is very important
partofthisequationandcareshouldbetakentomakesurethis
numberisaccurate.Ifthescreeninquestionisnot new then the
overall gain should be measuredproperly. Any degradation
ordebrisonthescreenwillreducethescreengain.
• Port window efciency: 96% efciency is typical for good port glass.
• LossduetocolorcorrectionrequiredformeetingDCIcolor
specications:97%efciencyistypical.
• 3Dsystemlightefciency:thisnumbercanbeanywhere
from10%to30%efciencydependingonthe3Dsystemused.
• Othereffectslikedownangleandscreencurvedomakea
differenceforlightdistributionbuttheyonlyeffectthese
calculationsifthey excessive.are
 Calculation:Lumens Required (L) = Lumens (L) / (Screen Gain X Port
Window Efficiency X Color Correction Efficiency X 3D Efficiency)
 Theresulting“LumensRequired”numberyougetwouldbethe
“MINIMUMlumenrequirement”tomeetthedesiredlightlevels.
How to select the right projector/lamp combination
that will provide enough light to satisfy screen
brightness requirements
Thereshouldbeenoughbrightnessavailableevenattheendof
thelamp’slifetomeetyourspeciedcenterbrightnessrequirement.
Yourcompany’slampchangingpolicymayneedtobereviewedto
makethisdecision.
Thereisanaturalbrightnessdrop-offthatoccurswithanyXenonlamp
duringitslife.Thisbrightnesscurveistypicallysharpatthebeginning
ofthelamp’slifeanddropsslowerafterthisinitialperiod.Leaving
thelampat100%powerthroughoutitslifewouldgivethistypical
brightnesscurve:
Lamp life
Starting lamp at 100% power
Maintaining lamp at 100% power
Point at which
brightness is
unacceptable
Approximately
50% brightness
100% Rated
brightness
(lamp/projector
combination)
Brightness
Thisinitialdrop-offinbrightnessismainlyduetothere-shapingofthe
electrodesinsidethelamp.The betweentheelectrodesinsidethearc
lampwillmoveslightlyduringthisperiod.Re-aligningthelampoften
canminimizethisdrop-off.Thisre-alignmentshouldbedoneatleast
everytimetheequipmentisserviced.Themorefrequentthisisdone,
themorelightefciencycanbepreserved.
100%Ratedbrightnesswouldindicatetheuseofanewlamprunning
at100%power.
USAGE BEST RACTICES P
Optimize your Christie
digital cinema system
Christie Xenolite ® lamps can produce remarkable brightness
and color consistency with excellent resistance to icker,
ignition difculty and explosion. With this superior performance
comes great economy. Here some usage guidelines are
that can be applied to get optimum performance from the
Christie Xenolite lamp and Christie Solaria ™ Series projector
combination. If you need technical support to help you    
with this, please do not hesitate to contact Christie
technical support.
1
 ItisNOTrecommendedtorunalampinthisway.Ifthisisdonethen
thebrightnesslevelwillnotbemaintainedforverylongandthelamp
lifewillbereduced.
 ThischartdescribestherecommendedoperationofanyXenonlamp.
 Understandingthisbrightnesscurvewillhelpwhendecidingwhich
projectorandlamptouse.Itisimportanttoselectalampthatcan
producetherequiredbrightnessattheendofitslife.
Hereishowthisisestimated:
• Selectalampforanexamplefromthe“LampBrochure”and
reduceitsmaximumlumenvaluebyabout25%asastartingpoint.
Thiswouldbeanestimateofthebrightnessthatthelampcan
achieveatorneartheENDofitslifeatthestatedwarranty.For
higherwattagelampsthisvaluewouldbemorelike30%or35%.
Ifyouintendonrunningthelamplongerthanthestatedwarranty
thenyouwouldincreasethispercentage.Callthisresultinglumen
valuethe“maximumagedbrightness.”
• Takethe“minimumlumensrequired”numberandselectthelamp/
projectorcombinationthatcancoverthiswithits“maximumaged
brightness”value.Itisbesttobeconservativewiththisselectionto
makesuretherequiredbrightnesscanbereached.
How to preserve lamp life with the proper projector
operating environment
Properoperatingenvironmentconditionswillpreservelamplife.
 Roomtemperature:Comfortableroomtemperatureisusually
acceptable.Between50°Fand95°F(10°C–35°C).
 Roomhumidity(noncondensing):20%to80%.
 Externalexhaustextraction:Usethe“LampBrochure”tondthe
properairowinCFMthatisrequired:
• Makesurethisairowismaintainedanytimetheprojectorison.
Addthismeasurementtoallroutineservicevisits.
• Makesurethattheairductsystemhasadamperfeaturewhich
closes totheoutsideairwhenthesystemispowereddown.off
Thiswillpreventdirtymoistairfrombeingpulledbackdown
intotheprojectorwhenthesystemisoff.
How to ensure proper lamp house electrical connections
to the lamp
Xenonlampsoperateatveryhighcurrentoramperagelevels.Because
ofthis,anyelectricalconnections verycritical.Wheninstallingalampare
makesuretheseconnections tightandsecure.are
 Alooseorbadconnectioncancausetheconnectortoburnwhichin
turnwilleitherbreaktheelectricalconnectionoroverheattheendof
thelampcausingthesealinsidethelampendtofail.Thiswillresultin
alampthatwillnotignite.
 Donotuseanyconnectorsthat discoloredorburnt.Replaceanyare
discoloredconnectorsbeforeinstallinganewlamp.
Inspect both end connectors for discoloration at every routine service visit.
Lamps exhibiting burnt or discoloredends not covered under warranty. are
How to determine average expected life
In the “Lamp Brochure” you will nd an “Estimated average expected life”
number for each lamp/projector combination.
This number is a guideline to help you determine how longaparticular
lamp can be operated under optimal conditions as described here.
If the operating situation is not optimal then shortera lamp life
can be expected.
Non-optimal conditions would include:
• Startingthelampoutnearorabove100%powerandrunning
itthiswaythroughoutitslife.
• Notprovidingadequateairextraction.
• Pooroperatingenvironment.
• Changingthepowerleveldrasticallyupandthenbackto
accommodatetwodifferentlightlevelrequirementssuch
as2Dthen3D.
Christie Xenolite® Lamp Champion Warranty
ChristieXenolite®lamps ofveryhighqualityandanyfailureisunlikely.are
Ifalamphasfailedforsomereasonthenaservicetechnicianshouldcheck
thesystemandoperatingpracticestomakesurethatthelampisbeing
usedproperly.AllChristieXenolitelamps coveredunderwarrantyare
againstanymanufacturerdefects.Theperiodoftimeisbasedonthe
warrantyhoursofoperationgiveninthe“LampBrochure”andaperiod
ofoneyearfrominvoicedatewhichevercomesrst.
Ifa warranty claim is required then prompt taken.action must be
A “Xenolite Lamp Warranty Claim Form” must be lled out completely
and the on the submitted, following instructions form. These forms
are in the lamp box or they can be obtainedby contacting the Christie
ofce your located in region. information on the Please see contact
back of this guide.
 Iftherequestisunusualanditissuspectedthatthelampdidnot
causethefailurethenChristiewillcontactthepersonmakingtheclaim
toverifytheoperatingconditions.Thisistohelppreventrepeating
failurescausedbysomethingotherthanthelamp.
USAGE BEST RACTICES P
Desi d lamp lifere
Lamp power and brightness over time
Optimal conditions
Brightness
Power
Acceptable brightness range Brightness is unacceptable
75%
95% 100%
90%
85%
2

Produktspecifikationer

Varumärke: Christie
Kategori: Projektor tillbehör
Modell: CDXL-60

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