Harman Kardon AVR 525 User Manual

OPERATION
Selectinga DigitalSource
lo utilizeeitherdigitalmode,youmusthaveproperly
connecteda digitalsourceto theAVR525 Connect
thedigitaloutputsfromDVDplayers,IdDTVreceivers,
satellitesystemsorCDplayerstotheOpticalor
CoaxialInputs_'F_i"_]_ _ Inordertoprovidea
backupsignalanda sourceforanalogstereorecording,
theanalogoutputsprovidedondigitalsourceequipment
shouldalsobeconnectedto theirappropriateinputson
theAVR525rearpanel(eg, connecttheanalogstereo
audiooutputfroma DVDtotheDVDAudioInputs
ontherearpanelwhenyouconnectthesource'sdigi
taloutputs)
Ifyouhavenotalreadyconfiguredaninputfor adigital
sourceusingtheon-screenmenusasshownon page
20, firstselecttheinputusingtheremoteor front
panelcontrolsasoutlinedinthismanualNext,select
thedigitalsourcebypressingtheDigitalSelect
Buttonqi_lD_"'dandthenusingthe ,J,/V Buttons
ontheremoteorthe,/, SelectorButtons
i'['_i'lk"] onthefrontpanelto chooseanyof the
OPTICAL or COAXIAL inputs,asthey
appearintheUpperDisplayLine[] oron-screen
displayWhenthedigitalsourceis playing,the
AVR525 willautomaticallydetectwhichtypeofdigital
datastreamis beingdecodedanddisplaythatinfor
mationintheUpperDisplayLine[].
Digital BitstreamIndicators
Whenadigitalsourceisplaying,theAVR525 senses
thetypeofbitstreamdatathatispresentUsingthis
information,thecorrectsurroundmodewillautomati
callybeselectedForexample,DFSbitstreamswill
causetheunitto switchtoDTSdecoding,andDolby
DigitalbitstreamswillenableDolbyDigitaldecoding
WhentheunitsensesPCMdatafromCDsandLDs,
itwillallowtheappropriatesurroundsourcesto be
selectedmanuallySincetherangeofavailablesur
roundmodesis dependentonthetypeofdigitaldata
thatispresent,theAVR525 usesdisplayindicatorsto
letyouknowwhattypeofsignalispresentlhis will
helpyouto understandthechoiceof modes
lb helpyouseewhichtypeofdigitalsourceisplaying,
theSurroundModeIndicators[] incombination
withtheInformationDisplay[] alsoserveas
bitstreamindicationsto showwhichtypeofbitstream
ispresent,aswellasthesurroundmodein use,if
applicable
DolbyDigital:WhenthegreenLEDnextto theDolby
Digitalor DolbyDigitalEXmodesislit,a DolbyDigital
bitstreamisbeingreceivedDependingonthesettings
onthesourceplayerandspecificsurroundinformation
andnumberofchannelsonthedisc,a numberof sur
roundmodesarepossibleFordiscswithfull51
audio,onlytheDolbyDigitalandVMAxmodesare
available
DTS:WhenthegreenLEDnexttotheDFSlogo
lights,a DIS bitstreamisbeingreceivedWhenthe
unitsensesthistypeofdata,onlytheapplicableDFS
modemaybeused
PCM:WhenthegreenLEDnextto thewordDIGITAL
lights,a standardPulseCodeModulation,orPCM,sig
nalisbeingreceivedlhis isthetypeofdigitalaudio
usedbyconventionalcompactdiscandlaserdisc
recordingsWhena PCMbitstreamis present,all
modesexceptDolbyDigitalandDFSareavailable
HDCD:WhenthelettersHDCD appearonthe
LowerDisplayLine [] inconjunctionwiththePCM
indicator,theCDthatis playingisencodedthroughthe
specialHighDefinitionCompatibleDigitaP_process
HDCD_'discsuse20 bitencodingandotherpropri
etaryprocessingto providetheultimateinCDlisten-
ingHDCDprocessingisonlyavailableintheStereo
(Surroundofo mode
MP3:WhenMP3 appearsontheLower Display
Line[] a compatibleMPEGl/Layer3 digitalsignal
isbeingreceivedlhis isthepopularaudiof(_rmat
usedby manycomputerprogramsfor recordingcorn
pressedaudiofilesWhenanMP3bitstreamispres
ent,thesoundwillautomaticallybeplayedinthe
Stereo(SurroundOff)modelhe surroundmodesare
notavailableduringMP3playbacklhere aremany
differentformsof MP3encodingavailableandthe
formatisusedat a numberof differentbitrateslhe
AVR525 maynotbecompatiblewithallformsof
MP3,parHcularlywhenthedatafileisencodedat
128kb/sorabove
Speaker/ChannelIndicators
Inadditionto thebitstreamindicators,theAVR525
featuresa setofuniquechannelinputindicatorsthat
tellyouhowmanychannelsofdigitalinformationare
beingreceivedand/orwhetherthedigitalsignalis
interrupted(SeeFigure9)
m El-CI]m
rrgl
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lhese indicatorsaretheL/C/R/LFE/SL/SR/SBL/SBR
lettersthatareinsidethecenterboxesof the
Speaker/ChannelInput Indicators[] inthefront-
panelMain InformationDisplay[] Whena
standardanalogsignalisinuse,onlythe"L"and"R"
indicatorswilllight,asanalogsignalshaveonlyleft
andrightchannels
Digitalsignals,however,mayhavetwo,five,sixor
sevenchannels,dependingontheprogrammaterial,
themethodof transmissionandthewayin whichit
wasencodedWhena digitalsignalisplaying,thelet
tersintheseindicatorswilllightinresponseto the
specificsignalbeingreceivedItisimporlantto note
thatalthoughDolbyDigital,f(}rexample,isreferredto
asa "51" system,notallDolbyDigitalDVDsor pro
gramsareencodedfor51 lhus,itis sometimesnor
realf(}raDVDwitha DolbyDigitalsoundtracktotrig
geronlythe"L"and"R"indicators
NOTE:ManyDVDdiscsarerecordedwithboth"51"
and"20" versionsofthesamesoundtrackWhen
playinga DVD,alwaysbecerlainto checkthetypeof
materialonthediscMostdiscsshowthisinformation
intheformof a listingoricononthebackof thedisc
jacket,Whena discdoesoffermultiplesoundtrack
choices,youmayhaveto makesomeadjustmentsto
yourDVDplayer(usuallywiththe"AudioSelect"button
orin a menuscreenonthedisc)to sendafull51
feedto theAVR525 Itis alsopossibleforthetypeof
signalfeedto changeduringthecourseofa DVD
playbackInsomecases,thepreviewsof special
materialwillonlyberecordedin20 audio,whilethe
mainfeatureisavailablein51 audiolhe AVR525
willautomaticallysensechangestothebitstreamand
channelcountandreflectthemintheseindicators
lhe lettersusedbytheSpeaker/ChannelInput
Indicators[] alsoflashtoindicatewhena bitstream
hasbeeninterruptedThiswillhappenwhena digital
inputsourceisselectedbeforetheplaybackstarts,or
whena digitalsourcesuchasa DVDis paused]he
flashingindicatorsremindyouthattheplaybackhas
stoppedduetotheabsenceofa digitalsignalandnot
throughanyfaultoftheAVR525 ]his isnormal,and
thedigitalplaybackwillresumeoncetheplaybackis
startedagain
NightMode
AspecialfeatureofDolbyDigitalistheNightmode,
whichenablesspeciallyencodedDolbyDigitalinput
sourcesto beplayedbackwithflJlldigitalintelligibilily
whilereducingtheminimumpeaklevelby 1/4 to 1/3
lhis preventsabruptlyloudtransitionsfromdisturbing
others,withoutreducingtheimpactof thedigital
sourcelhe Nightmodeis availableonlywhenDolby
Digitalsignalswithspecialdataarebeingplayed

Harman Kardon AVR 525 Specifications

General

Brand	Harman Kardon
Model	AVR 525
Category	Receiver
Language	English