Krell Industries Front Loading Compact Disc Player KAV-280cd Manuale utente

TH~ L~AD~:~R IN AUr~lO ENI)INIEERINO

KAV-280cd

Front Loading

CompactDisc Player

Instructions for Use

Owner’s Reference

KAV-280cd

Front LoadingCompactDisc Player

Instructionsfor Use

v 01.0

CONTACT

INFORMATION KrellIndustries,Inc.

45 ConnairRoad

Orange, CT06477-3650USA

TEL203-799-9954

FAX203-891-2028

E-MAILkrell@krellonline.com

WEBSITEhttp://www.krellonline.com

Thisproductcomplieswith the EMCdirective (89/336/EEC)andthe low-voltage

directive(73/23/EEC).

WARNINGS Donot placethe compactdisc playerwhereit couldbeexposedto drippingor

splashing.

Donotremoveor bypassthegroundpin ontheendof the ACcord.Thismaycause

radiofrequencyinterference(RFI)to beintroducedinto yourplaybacksystem.

Theventilation grids onthetop andbottomof the KAV-280cdmustbeunobstructed

at all timesdudngoperation.Donotplaceflammablematerialontopof or beneath

the component.

Turnoff all systems’powerbeforeconnectingtheKAV-280cdto anycomponent.

Makesureall cableterminationsareof theh ighestquality,freefromfrayedends,

shortcircuits,orcoldsolderjoints.

THEREARENOUSER-SERVICEABLEPARTSINSIDE ANYKRELLPRODUCT.

Pleasecontactyourauthorizeddealer,distributor,orKrell if youhaveanyquestions

notaddressedin this referencemanual.

Thisproductis manufacturedin theUnitedStatesofAmerica.Krell®

is aregisteredtrademarkof Krell

Industries,Inc., andis restrictedfor usebyKrellIndustries.Inc.,its subsidiaries,andauthorizedagents.Krell

CurrentMode

is a trademarkof Krell Industries,Inc. TosLink

~is a trademarkof ToshibaCorporation.All

othertrademarksandtradenarnesareregisteredto their respectivecornpar~es.

Contents

Page

INTRODUCTION 1

ReadThis First 1

DEFINITION OF TERMS 2

UNPACKING 3

PLACEMENT 4

ACPowerGuidelines 4

FRONTPANEL DESCRIPTION 6

BACKPANEL DESCRIPTION 9

REMOTECONTROLDESCRIPTION 12

Battery Installation andRemoval 12

RemoteControl Functions 12

CONNECTINGTHE KAV-280cd TO YOURSYSTEM 14

ConnectionSteps 14

OPERATINGYOURKAV-280cd 15

Power On 15

Howto Play a CompactDisc 15

HOWTO PROGRAMA TRACK SEQUENCE 16

Howto Changea ProgrammedTrack Sequence 16

Howto Clear a ProgrammedTrack Sequence 17

WARRANTY 18

RETURNAUTHORIZATION PROCEDURE 19

SPECIFICATIONS Backcover

Krell KAV-280cd iii

Illustrations

FIGURE1

FIGURE2

FIGURE3

The KAV-280cdFront Panel

The KAV-280cdBack Panel

The KAV-280cdRemoteControl

Page

iv Krell KAV-280cd

Introduction

Thankyou for your purchaseof the Krell KAV-280cdFront Loading

Cornpact Disc Player. TheKAV-280cdfeatures a precision disc

transport mechanismandhigh performanceanalogcircuitry that pro-

videKrell soundquality at anexceptionalvalue.

TheKAV-280cdoutput circuitry features four digital-to-analog con-

verters providingfully balancedoperationfromDACsto output. The

DSPdigital filter provides8x oversampling.Krell ClassAdirect coupled

circuitry meansthat the KAV-280cddelivers the mostaccuratemusic

signal into yoursystem.Thewirelessinfrared remotecontrol aswell

as the remotecontrol connectionoptions onthe backpanelallow you

to integrate the KAV-280cdinto wholehousesystems.

This owner’sreferencemanualcontainsimportantinformation on

placement,installation, andoperationof the KAV-280cd.Pleaseread

this informationcarefully. Athoroughunderstandingof thesedetails

will helpensuresatisfactoryoperationandlonglife for your

KAV-280cdandrelated systemcomponents.

READTHIS FIRST Donotpressthepowerbuttonor powerkeyuntil inib’alizationis com-

plete.

Whenyouplugthe ACpowercordinto the wall socket,the redstand-by

LEDilluminates.Aftera30-seconddelay,theinit LED(12) illuminates,

indicatingthattheinitializing is complete.Youcannowswitchto the

operationalmode.

Krell KAV-280cd 1

Definition of Terms

Followingarethe definitions of keytermsusedin yourowner’srefer-

encemanual.

INPUT ANDOUTPUT

CONNECTIONS Balanced

Asymmetricalinput or output circuit that hasequalimpedancefrom

both input terminals to a commongroundreference point. Theindus-

try standardfor professionalandsoundrecordinginstallations, bal-

ancedconnectionshave6 dBmoregain than single-endedconnec-

tions andallow the useof long interconnectcables. Balancedcon-

nections are completelyimmuneto inducednoise fromthe systemor

the environment.

Single-ended

Atwo-wireinput or output circuit. Usecare whenusingsingle-ended

connectionsas the groundconnectionis madelast andbrokenfirst.

Tumthe systemoff prior to makingor breakingsingle-endedconnec:

tions. Single-endedconnectionsare not recommendedfor connec-

tions requiringlongcableruns.

OPERATION Off

Whenthe ACpowercord is unpluggedfrom the ACpowersource,

the componentis off.

Stand-by Mode

Whenthe KAV-280cdis connectedto ACpower,the red stand-by

LEDilluminates. Thisindicatesthat the cornponentis in stand-by

mode,a low powerconsumptionstatus that keepsthe audio andreg-

ulator circuits at idle. Krell recommendsleavingthe componentin the

stand-bymodewhenit is not playing music.

Operational Mode

Whenthe powerbutton onthe front panel or pwrkeyon the remote

control is pressedandthe blue powerLEDilluminates, the compo-

nent is in the operational modeandreadyto play music.

TECHNOLOGY Krell CurrentMode

AproprietaryKrell circuit topologyin whichthe audiogainstagesof a

componentoperatein the current rather than the voltage domain.

This uniquetechnologyprovides the componentwith exceptional

speedanda wide bandwidth.

2 KrellKAV-280cd

Unpacking

Followthesestepsto safely unpackyour compactdisc player:

1. Openthe shipping box andremovethe top layer of foam.You

seetheseitems:

1 KAV-280cd

1 IEC connector (ACpower) cord

1 12 VDC(12 V trigger) cable

1 KAV-280cdremote control

1 CR2025lithium battery

1 packet containing the owner’s reference manual

andthe warrantyregistration card

2. Graspthe undersideof the foamend-capsthat encasethe

compactdisc playerandlift it straight outof the shippingbox.

3. Placethe compactdisc player in a safe location andremovethe

protectiveplastic wrapping.

Notes If anyof theseitemsarenotincludedin theshippingbox,pleasecontactyour

authorizedKrelldealer,distributor,orKrellfor assistance.

Saveall packingmaterials.If youshipyourcompactdiscplayerin thefuture,

repacktheunff in its original packagingto preventtransff damage.SeeReturn

AuthorizationProcedure,onpage19, for moreinformation.

Krell KAV-280cd 3

Placement

Beforeyouinstall the KAV-280cdinto your system,reviewthe

following guidelinesto choosethe location for the KAV-280cd.This

will facilitate a clean,trouble-freeinstallation. TheKAV-280cddoes

not requireanytypeof specialrackor cabinetfor installation. Forthe

dimensionsof the KAV-280cd,see Specifications, on the back

cover.

Placethe KAV-280cdona firm, level surface, awayfrom excessive

heat, humidity, or moisture.TheKAV-280cdrequires at least two

inches(5 cm)of clearanceoneachside andat least twoinches

(5 cm)of clearanceaboveandbelowthe componentto provide ade-

quateventilation. Installations inside cabinetrymayneedextra venti-

lation.

Donot place the KAV-280cdnear humsensitive componentssuch

as preamplifier phonostagesor turntables. Althoughthe KAV-280cd

is well shielded,placingit nearthesecomponentscouldcreateinter-

ference and causehum.

Note TheKAV-280cdincorporatesanadvancedsuspensionsystemanddoes

notrequireadditionalmasscouplingor isolation. Youmayexperimentwith

feet orconesaslongastheyarenotpermanentlyaffixedto theunit. Any

unauthorizedmodificationsto theunit orelectronicswill voidthewarran~

IMPORTANT Donotattachenhancementaccessoriessuchasrings, mats,or

dampersto individualcompactdiscs.Theseaccessoriesmayinterfere

withthecompactdisctransport,resultingin erratic playbackand~or

poorsound.

AC Power

Guidelines TheKAV-280cdhassuperbregulation anddoesnot require a dedi-

catedACcircuit. Avoidconnectionsthroughextensioncordsor multi-

ple ACadapters.Highquality 15ampgroundedACstrips are accept-

able. Highquality ACline conditionersor filters maybeusedif they

are groundedandmeetor exceedthe unit’s powersupplyrating of

100 VA.

4KrellKAV-280cd

Figure 1 TheKAV-280cdFront Panel

11 10

POWER

TRACK PAU$]~

STOP

OPEN/CLOSE

KAV- 21~0ccl

Power

1 PowerButton

2 PowerLED

3 Stand-byLED

CompactDisc

TransportFunctions

4 StopButton

5 PlayButton

6 PauseButton

7 Open/CloseButton

8TrackBackand

ForwardButtons

9 CompactDisc

Transport

Display

10FrontPanelDisplay

11Infrared Sensor

12Init LED

FrontPanelDescription

SeeFigure I onpage5

POWER 1 PowerButton

Usethis button to switch the KAV-280cdbetweenthe stand-by and

the operational modes.

2 PowerLED

Theblue powerLEDilluminates whenthe KAV-280cdis in the oper-

ational mode.ThepowerLEDalso flashes whenanyremotecontrol

keyis pressed.

3 Stand-by LED

Thered stand-by LEDilluminates whenthe KAV-280cdis plugged

into a standardACwall receptacle,indicating that the compactdisc

player is in the stand-bymodeandreadyto beswitchedto the oper-

ational mode.

COMPACTDISC

TRANSPORT

FUNCTIONS

4 Stop Button

Usethis button to stop compactdisc playback.

5 Play Button

Usethis button to start playbackfromthe beginningof the compact

disc. For moreinformation, see Howto Play a CompactDisc, on

page15.

6 PauseButton

Usethis button to temporarily suspendplaybackof the compactdisc

track. Toresumeplaybackat the point pausewasengaged,press

the pausebutton again.

7 Open/CloseButton

Usethis button to openandclose the compactdisc transport.

8 Track Backand ForwardButtons

Usethe track backbuttonto select the track that precedesthe cur-

rent track; usethetrack forwardbuttonto selectthe trackthat follows

thecurrenttrack.

9 CompactDisc Transport

Thecompactdisc transport holds the compactdisc.

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