Canon SPEEDLITE 540EZ Service Manual page 5

CONTENTS
Page
Part 1: General Information
1z-FEATURES sitice. ites hasten cee aictienstottnnen neater eteenttdernanee deieititgee 1-1
Ac ANT RO DUG TION. oii scr ccxcsscecsicetescovstoseseseseeesssconesssedacesnobeseosvesshinntversusenseertvasen 1-1
Te "FEATURES os ceessssosesSesvonsetecvavnsencessuntesesvebuststustsossigedstvausescuvesneitvceacentoestpeasres 1-1
2: SPEGCIFIGATIONS isso zi iascseeavesecicecsaapsee¥anvesanice tues cdeveniceasuecenndcapeasieasiscaseazdnvseceaserace 1-2
8B. NOMENCLATURE s, co. -iccdckscccbichis verde At vc tctseszacsensctenscctasecustbesestenacaarcdvessesiuateess 1-12
4; MAJOR' CONTROLS AND INDICATORS ss cssisecccasesaavsssescsseccavccansvecoontsonesscvensssevens 1-13
5. PRECAUTIONS ceccc sisecs secdececercdeaccanvastes euaesonnscccsneezentivaceautegentvsaceescaveneptavecicaeaceisy 1-14
Part 2: Technical Information
1 LECHNICAL: DETAIES ieiviceciecg tisartetviiesvei cdatecdens Seeds disteestadesssenenntoniisecdivandssehiees 2-1
1,1) AF Auixiliaty Light: FUMCHON ses ecnsesccasaacedesnucieeoassanstasssivoasesasacensansdeoasseesesas 2-1
122; Built-ih Wide Panel iisscscc3 brcceine itt cet Slecvasesuetssascarsadeacessiaactesstsdeensiecessesyseraveee 2-3
1:3) Pre-flash! Operation xeieescieasccscesteess sastestececscascccuessivavscesexcscecesseseacccvevsvenseatacostevs 2-4
1.4 Post-exposure Flash Exposure Confirmation...........::cscecsccecceseseseeeeeeeeeesereneees 2-4
1.5° Mantial Flash' Operation s.:....scicccccocensasesicccessenrcocseseoseeosacsnisduasenansacdssasassccossseds 2-5
1.6 Manual Multiple (Stroboscopic) Firing..............::ceeeeeeseeesseeeeeeeeseeeeeeesseeeeneeesaes 2-6
1.7 'DOwnWald TR HGAG «0.5: .ccic2-scensesstsscensasencsastessssserescszcessaissnvessdeasecvseseraveedeosen 2-6
1:8: Data: COMMUNICATIONS 1. ccssccecivcssect scccsciastecsscceatesscavesnescecevseccstecesterwcesnetseaceetes 2-8
1:9: POWGr SOUICE SYSIOIMN «..<.c::ccccciscscidseosctecesssocencesceveasesessdiavevereaesac ccesesusasexesvesies 2-8
1.10 Display panel warning indications .............cccssecessecessecsseeeseeseseeeseseneeteeseeeness 2-9
2: GOMPATIBLE GAMERAS issicssssvecsncsvsessctesiseusscssecastverstedstacsedsasesvantecs ceecestescorseseers 2-10
2.1 540EZ Functions Available With Each EOS Model............::csccescsesseesesseeseees 2-10
2.2 540EZ Compatibility With Pre-EOS Cameras..............eesseeseeeeesseeeeeseeeeeeeeees 2-11
9; SWITCHES AND AG ssacs cies cscceste hasecticestoccccdeteaevescenteesticesessstveuntestetvescemnseeeceeentbeveee 2-13
3:1 Names of Switches and' FUNCtIONS -.icisiccccccsssccsecascacssaseccesconevessascosersessessessees 2-13
3521S | FUMCHONS 5c scisccecssevssssessedesdnensss cnsisvonnansesenaseduaseaceseassavacéatecseassesiasesaestsaceoad 2-13
4.' DESCRIPTION (OF GIRGUIMS seilessesisrsvivesscengtevecstesticiecsuriaenzovlensezaterecsesecneesstecces 2-14
4:1: Starting Up:the: POWer SUPPLY ..cisceseccssesesccessescecesesasctesscsareoncadeverseestesccsssnescaesee 2-14
AD CHAIGING ss icsesiessiiscstsoscsecisestcensconencsenissecveniescatacudesanisoeressnraconsusntereeconseaesseses 2-15
4:3: Carge: Completion INGICAOT se2ce. ccveccssceecenestivecteeesinncesvenesvendteevasenedorensecesetsests 2-16
4.4 Determining Pre-flash and Aperture (A-TTL MOde) ...........scesseeesseesseeeeseeeeees 2-17
AS: Malin PIAS: .cccccssasiacessscecaceenscsacssandvaccosdcavsesuscnseaves sets tiaiassssasceaswanbe eaten iniaer 2-18
4.6 FIASH COMIN cai sssccvescdocsicte dectexdeccectezeutcasetevsetees ctvsacecvarsvecsvocnevoxesenarsdaecbenscysters 2-20
AG PUNO ZOOM s2acid ies tecebeesdesasses ues 202ocas ap \Fadaneiadsbougenevaseciseasie vse svbsesseasecsciasiesivoessesen 2-21
4:8) AP -AUxilary LiGhit sisiiscsvncsscecsvinssssccagesnscsneecacnadeviebecuventevcancesvsevevectesonecvessoiestesd 2-22
4.9: Charge: INIDiteccasiesscsescsaiesaendccvcitentwckienesnemiaiiieninta tenis 2-23
4.10 Panel Illumination (EL) Lighting 0.00.00... eeeeeeeesssceeeeseeeeeeseeecesneeeeeeeneeeeeees 2-24
AUT) SETI seceecocvacecerscaeavensesee tis vdidsics cxceue sasnuvtua dence twecWvaveden Seaveosaddliesduasveeseeventes 2-25
4.12: Temporary Mode: MOMOriZatiOn ::..5:..:.:sescsesestssespsssscenncescesecssssnsarsesactéessouaee 2-25
4.13: Oscillation: INterrUptiOM cicvcesiscsccetaciessuthsciiecvaencereigeaebiscavesesete usacteessdebseectea 2-26
4.14. Manual Pla SW senzecestvesicsesceevizs shevicgceveccedevecste cvecdigeavtccevsiecedectente soeketeeden condone 2-27
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