Boss Audio Systems MR637U User manual

Thankyouforpurchasingthiscaraudioproduct.
Pleasereadthismanualcarefullybeforeoperatingthiscaraudioproduct.
Pleasekeepthismanualforfutureuse.Itwillbehelpfultoyouifyouareencounterany
operationalproblem.
Toreducetheriskoffireorelectricshock,donotusetheunitintherainormoisture
environment.
Topreventdirectexposuretolaserbeam,donottryopentheenclosure.
Visibleandinvisiblelaserradiationwhenopenandinterlocksdefeated.
Toprotectourenvironment,donotdisposeofelectricalequipmentinthedomesticwaste.
Pleasereturnanyelectricalequipmentthatyouwillnolongerusetothecollectionpoints
providedfortheirdisposal.
Thishelpsavoidthepotentialeffectsofincorrectdisposalontheenvironmentandhuman
health.Thiswillcontributetotherecyclingandotherformsofreutilizationofelectricaland
electronicequipment.Informationconcerningwheretheequipmentcanbedisposedofcan
beobtainedfromyourlocalauthority.
WARNING!
Selectingfineaudioequipmentisonlythestartofyourmusicalenjoyment.
Nowitistimetoconsiderhowtomaximizetheenjoymentyouwillgetfrom
knowinghowtoworkyournewcarstereoreceiver.
Wehopeyouenjoyusingthisproductandencourageyoutoalwayslistenat
amoderate,safesoundleveltoavoidanypossiblehearingdamageorloss.
Ifyoulistentoexcessivelyloudsoundovertime,yourhearingcanadaptto
highervolumesandwhatsounds"normal"toyoumaybequiteharmfuland
cancauseyoutohavepermanenthearingloss.Sopleasepractice"safesound"
andalwayslistenatmoderate soundlevelsonly.
Startwithyourvolumecontrolatthelowestsetting,andslowlyincreasethelevel
untilyoucanhearitcomfortablyandclearly,freefromdistortion.
Onceyouhaveestablishedthiscomfortablesoundlevel,leaveitthere.
Preface
CONNECTORA
1.
2.
3.
4.MEMORY+12V
5.AUTOANTENNAB+
6.
7.POWERB+
8.GROUND
CONNECTORB
1.RearRightSpeaker(+)
2.RearRightSpeaker(-)
3.FrontRightSpeaker(+)
4.FrontRightSpeaker(-)
5.FrontLeftSpeaker(+)
6.FrontLeftSpeaker(-)
7.RearLeftSpeaker(+)
8.RearLeftSpeaker(-)
WIRESCONNECTION
SPECIFICATION
GENERAL
SupplyVoltageDC12V.NegativeGround
CurrentConsumptionMax.7A
PowerOutput60WattsX4ch
Numberofchannels2Channels,Stereo
UnitDimensions178[W]X165[D]X50[H]mm.
FMSECTION
Frequencyrange87.5MHz-107.9MHz
Effectivesensitivity3uV.
I.FFrequency10.7MHz.
AMSECTION
Frequencyrange530KHz-1710KHz
Effectivesensitivity40dB.
I.FFrequency450KHz
RCALINEOUT
Output1000mV@CDMAX.
CDPLAYER
SystemMP3AudioSystem.
SuitableCDsMP3,WMA,CD,CD-R,CD-RWDisc
Frequencycharacteristics
S/NRatiotoCD[1KHz]
20Hz-20kHz+/-3dB
20Hz-20kHz+/-3dB
-80dBA
ANTENNAJACK

LOCATIONANDFUNCTIONOFCONTROLS
a)PresstheSELbuttonbriefly,itisactivatedasselectingeachmodeofE.VOL.
->VOLUME->BASS->TREBLE->BALANCE->FADER->
Whenselectingadesiredaudiomode,rotatetheVOLknobtoadjustthe
audioeffect.
Ineachmode,thewaitingtimeisabout5seconds,andthetimewaitingtime
isover,itreturnstothelastdisplaymodeoftunerorCDPmode.
ThecontrolmodeofE.VOLisoperatedwithfollowingnumericdisplay.
-VOL:(MIN)00,01,......46,47(MAX).
-BASS/TRE:-07,-06,...,00,...+06,+07
-BAL:0LR9,1LR9,...,9LR9,...,9LR1,9LR0
-FAD:0FR9,1FR9,...,9FR9,...,9FR1,9FR0
b)Whenpressedandholdformorethan2seconds,itisactivatedascyclical
modeoffollowingfunctionsforusersselection.
->BEEP(ON/OFF)->USERSET(FLAT/CLASSIC/ROCK/POP)
->VOL(LAST/DEFA)->CLK(ON/OFF)->CLK(12/24)mode.
Whenselectingadesiredaudiomode,rotatetheVOLknobtoadjustthe
audioeffect.
1&2.SEL(MENU)BUTTONANDVOLKNOB
TROUBLESHOOTING
Beforeusingthechecklistpleasemakealltheconnectionsfirst.
Ifyoustillhavequestionsaftergoingthroughthechecklist,pleaseconsult
yourlocalcustomerservicerepresentative.
CommonSymptoms
Thereisnopower.
TheCDscannot
beloaded.
Cause
Thefusehasblown.
PresenceofCDdiscinsidetheplayer
Insertingthediscinupsidedown
ThesurfaceofCDisextremelydirty
oritisdamaged.
Temperatureinsidethecaristoo
high.
Thevolumecontrolissettoolow.
Thereisnosound.
Theoperationkeys
donotwork
Thesoundofthe
CDplayerskips
Theantennacableisnotconnected. Inserttheantennacablefirmlyintothe
antennasocketofthedevice.
Noradioreception.
1.Thebuilt-inmicrocomputerisnot
operatingproperlyduetonoise
2.Frontpanelisnotproperlyfixinto
itsplace
1.Switchthedeviceoffandonagain.Orpress
theRESETbuttontoresumetheprogram.
2.Reinstallthefrontpanel
Thedevicehasnotbeencorrectly
connected.
Theinstallationangleismorethan
30degrees
Waituntiltheroadbecomessmootherbefore
playingtheCD.
Adjusttheinstallationangletolessthan30
degrees
Turnupthevolumeproperly.
Checkthepowerandgroundconnection
accordingtothewiringdiagram.
Cooloffuntiltheambienttemperaturereturns
tonormal
CleantheCDortryanotherCD,ifthisworks
correctly,thefirstCDisproperlydamaged.
Insertthecompactdiscwiththelabelfacing
upward
Removethediscintheplayerthenputanew
upward
Replaceanotherfuseaccordingtothewiring
diagram.
Thecarignitionisswitchedoff. Ifthepowersupplyisproperlyconnectedto
thecaraccessory,switchtheignitionkeyto
ONor"ACC""".
Solution
Thedevicedoes
notworkcorrectly
(EJECT,LOAD,
PLAY)
Inautomaticsearch
modetheradiodoes
notstopatatrans-
mittingstation.
Tuneintoaradiostationmanually.Thetransmissionsignalsaretoo
weak.
TheCDsareloaded
onlyhalfwayinto
theCDtray.
Thetransportscrewshavenotbeen
removed. Removethetransportscrewsbeforeusing.
Thesurfaceoftheroadisuneven.
ThesurfaceofCDisextremelydirty
oritisdamaged. CleantheCDortryanotherCD,ifthisworks correctly,thefirstCDisproperlydamaged.
1
13
20 12
16
14
2
19 17
3 6 7 15 910
4 518 118
20
MP3/CDR/RWPLAYBACK
FLASH
LOUD
ST
MUTE

BEEPONmode:Thebeepisgeneratedwhenanykeyispressed.
BEEPOFFmode:Thebeepsoundisdisabled.
VOLLAST:Theradioswitchesonattheactualvolumeithadwhenitwaslast
switchedoff.
VOLDEFA:AfterpressingSELbutton,AVOLwillbedisplayed.Thenyoucan
pre-selectaconstantswitch-onvolumebyusingtheVOLknob.
CLKON:Clockwillalwaysshowonthedisplaywhenpoweroff.
CLKOFF:Clockwilldisappearonthedisplaywhenpoweroff.
Whentheunitispoweroff,theunitcomestoonbypressinganybuttonexcept
theEJECTandtheRELEASEbutton.
Whentheunitispoweron,pressandholdthepowerbuttonformorethan0.5
seconds,theunitgoesintopoweroffmode.
Whentheunitispoweron,pressthepowertoswitchtheMUTEstateon/off.
a)DuringRADIOmode:
Pressthe>>|or|<<buttonbrieflytomanualtuneup/downforthedesired
radiostationfrequencystepbystep.
Pressandholdthe>>|or|<<buttonforlonger0.5seconds,toautomatically
tuneup/downfortheradiostationfrequencyofstrongsignal.
b)Duringdisc,USBplaybackmode:
Pressthe>>|buttonbrieflytoplaynexttrack.
Pressthe|<<buttonbrieflytoplaythecurrenttrackfromthebeginningofit
iftheplayingtimeismorethan2seconds.
Pressthe|<<buttonbrieflytoplaytheprevioustrackiftheplayingtimeis
lessthan2seconds.
Pressthe>>|or|<<buttonandholdtoskipforwardsorbackwards,release
toresumenormalplayback.
a)Duringradiomode:
Gotoanypresetstationbypressingoneofthe6presetstationbuttons(1-6).
Ifoneofthesebuttonsispressedformorethan2seconds,thestationcurrently
beinglistenedtowillbememorizedintotheselectedpresetbutton.
b)Duringdisc,USBmode:
1)PresstheTOP/>||buttonbrieflytointerrupttheplaybackofthediscorUSB.
PressagaintoresumenormalplaybackofthediscorUSB.
PresstheTOP/>||buttonandholdforapproximately0.5secondstoplaythe
firsttrackofthediscorUSB.
BEEPON/BEEPOFF
VOLLAST/VOLDEFA
CLKON/OFF
.POWERON/OFF&MUTE
4.LCDDisplay
5.CDSLOT
6&7.TUNE,SEEK,TRACK,SKIPUP/DOWNBUTTONS
8.PRESETSTATIONMEMORYANDTOP/>||,INT,RPT,RDMBUTTONS
3
CAREFORUSINGCD'S:
1.Tokeepthediscclean:
Beforeplayingadisc,wipeitoffwithaclean,dust-freecleaningcloth.
Wipethediscoutwardsfromthedisccenter.
2.Whenonehasalreadybeeninserted.Doingsomaydamagetheunit
Donotattachanystickeroradhesivetapeonthedisc.
Handlethediscbyitsedgetokeepthedisccleananddonottouchthesurface.
.Insertadisc
withlabeledsurfaceup,oritwilldamagetheunit.
3.Donotexposethedisctodirectsunlightornearbyheatsourcessuchasheating
vents,caliductwhichcancausethedisctowarp.
Donotleavediscinacarifitisparkedindirectsunlightasthatwillleadtoa
considerableriseinthetemperatureinsidethecar.
4.Donotuseanysecondhandorrenteddisc,usually,thereisglueonthesurfaceof
thosediscs,itwillstoptheunitworkinganddamageit.
5.Alwaysstorethediscinitscaseforprotection.Scratchedupdiscswillproducepoor
soundperformanceandcauseCDplayertoskip.
6.Inrainingdayorwetarea,themoisturemayformonthediscortheopticalparts,
theplaybackmaynotbepossible.Ifmoistureformsonthedisc,wipeitoffwitha
softcloth.
Ifmoistureformsontheopticalpartsoftheunit,allowtheunittositforaboutone
hourwithpoweron.
7.Donotusesolventssuchasbenzineorthinners.Commerciallyavailablecleaners
oranti-staticspraywilldamagetheunit.
AboutCD-R/CD-R/Wdiscs:
Inadditiontocommercially-recordedaudioCD's,thisunitcanplayCD-Rand
CD-R/Wdiscs.Insomecases,particularlywhenrecordedonolderCDburners,
someCD-RandCD-R/Wdiscsmaynotplay.Also,wheneveryouarerecording
aCDforplaybackinthisreceiver,itisrecommendedthatyourecordat24xor
slowerspeedforCD-Rand4xorslowerforCD-R/Wtoachievehighersignal
qualityandbetterplaybackperformance.

2)PresstheINTbuttontosamplethefirst10secondspartofeachtrack,andthe
INTONwillbevisibleontheLCDdisplay.
IntheprocessofINT,pressINTbuttonagaintostopsamplingandtocontinue
playingthecurrenttrack,andtheLCDwilldisplayINTOFF.
3)PresstheRPTbuttononcetoplaythecurrenttrackrepeatedly,andtheRPT
ONEwillbevisibleontheLCDdisplay.
DuringMP3/WMAdiscorUSBmode,presstheRPTbuttontwice
continuouslytoplaythecurrentfolderrepeatedly,andtheRPTABMwillbe
visibleontheLCDdisplay.
IntheprocessofRPT,pressRPTbuttonagaintostopplayingrepeatedly
modeandtheLCDwilldisplayRPTOFF.
4)PresstheRDMbuttontoplayalltracksondiscinrandomorder,andthe
RDMONwillbevisibleontheLCDdisplay.
IntheprocessofRDM,pressRDMbuttonagaintostopplayinginrandom
orderandtheLCDwilldisplayRDMOFF.
5)Pressthe-10and+10buttontomoveupanddown10tracksatatime.
Whentheremainedtotaltracksislackof10,thebothbuttonsareinactively.
Inradiomode,presstheBNDbuttonbrieflytoselecttheradiobroadcasting
bandyouwouldliketohear.TheAM/FMbandistoggledcyclicallythroughthe
tuningbands:
->FM1->FM2->FM3->AM1->AM2->.
PressandholdtheBNDbuttontoselectLOCAL/DXmode.
Note:ThisbuttonisonlyforFMreception.InAMmode,LOCisvoid.
PresstheMODEbuttontochangeamongtuner(radio),disc(whenadiscis
loaded),USB(whenanUSBstickisinserted)andAUXmode.
Inthepoweronstate,theloadeddisccanbeejectedbypressingtheEJkey.
Whenpressbriefly,theLOUDmodeisturnedon,itstoenhancethebasssound
effectwhenthevolumelevelislow.Pressagaintocanceltheloudnesseffect.
Duringradiomode:
1)whenpressandholdformorethan1second,theradiosearchesfromthe
currentfrequency andchecksthesignalstrengthleveluntil6stationare
found.Andthenthe6stationsfrequencyarepresettothecorresponding
presetmemorynumberedbank.Theauto-storageoperationisimplemented
intheeachselectedband.Whentheauto-storageoperationisfinished,the
radioexecutethePresetScan.
9.BANDANDLOCBUTTON
10.MODEBUTTON
11.EJECTKEY
12.LOUDNESSBUTTON
13.AS/PSBUTTON(Auto-storage/Presetscan)
INSTALLATIONMETHOD
Thisisananti-theftinstallationmethod.
ThemainunitwearsaMETALMOUNTINGSLEEVE.
Pleaseconnectthewiring,eg,thePowersupply,theSpeakersandtheAntenna
accordingtotherequirementsofthisInstructionManual,theninstallthemetalmounting
sleeveintothecarasperthediagramillustratedbelow.
METAL
SUPPORTSTRAP
Toraisetheanti-skipcapabilityoftheunit,
pleaseensurethemetalsupportstrapis
connectedfirmlytothecarchassis.
Toproperlyfixthemetalmounting
sleeve,bendthetabsofthesleeve
againsttheDASHBOARDwitha
screwdriver.
DASHBOARD
METALMOUNTINGSLEEVE
UNITCHASSIS
PLASTICTRIMRING
FRONTPANEL
ToremovetheCDplayeroutofthemountingsleeve,
insertthetwosuppliedkeysintotheleftandrightside
slotsofthechassisatthesametime.
NOTE
Beforeinstallingandoperating
theCDplayer,removethemetal
mountingsleeveillustratedby
thearrows.
Removethetwoscrewsthatprotect
theCDplayerduringtransportation
beforeoperatingtheplayer. Toattachtheremovablefaceplate,insertthe
rightsideofthefaceplateintotherightofthe
CDplayerchassisfirst.Thenpushtheleftside
ofthefaceplateintothechassisuntilyouhear
itclick.“”

2)whenpressbriefly,theradiosearchesforeachpresetstationinthecurrent
bandandholdsatthatpresetnumberfor5secondswithreleasingmute,and
thensearchagain.
DuringMP3/WMAfileindiscorUSBmode:
1)InTRACKSEARCHmode,theLCDwilldisplayTRKT000andflashthe
biggestdigit0thattheUSBstickcontain.(ifthenumberoftracksislessthan
100andmorethan9,itwillbeTRK00)ThenrotatetheVOLknobtoselectthe
numberoftheflashingdigitfrom0~9.ThenpressSELbuttontoconfirmthe
numberandflashnextsmallerdigit0.
Withthesamemeans,selectthenumberoftheflashingdigit.Afterfinishing
selectingthenumberofallflashingdigit,pressSELbuttontoplaythetrackof
theselectedserialnumber.
2)InFIRSTCHARACTERSEARCHmode,theLCDwilldisplayA--......,Ifthere
arefilesnamesitsfirstcharacterareA,the......isthefirstfilenameitsfirst
characterisAbytheorderofA~Zand0~9;otherwise,the......isNONE.Then
rotatetheVOLknobtoselectfilesfirstcharacterbytheorderofA~Zand0~9.
FinallypressSELbuttontoplaytheselectedfile.
3)InDIRECTORYSEARCHmode,theLCDwilldisplaytherootfolder(ifthereis
nottherootfolder,itwillfindarootfoldernamedROOT).ThenrotatetheVOL
knobtoselectyourdesiredfolderandthenpress>>|or|<<buttontoselect
yourdesiredtrackinthefolder.
FinallypressSELbuttontoplaytheselectedtrack.
InFMmode,presstheSTbrieflytoselectstereoormonosoundmode.
PresstheCLKbuttonbrieflytodisplaytimefor5secondsonthedisplay,and
thenreturnstoitspreviousdisplayunlessthebuttonispressedagain.
ThenpresstheCLKbuttonandholdformorethan1seconduntiltherealtime
flashesonthedisplay.ThenyoucanadjustHOURorMINUTEbyrotatethe
VOLknob.
Pressthemodebuttontoselectauxiliaryinputplayingmode.Thenyoucan
connectanymatchedexternalaudiodevicetothissocket.Usethevolume
knobtoadjustvolume.
InordertoplaythefileintheUSBstick,turnovertheplasticcovercapthen
inserttheUSBstickintotheUSBsocket.Thesystemwillchangeintothe
USBmodeautomatically,andthenplaythefirstfileintheUSB.
WhennoneedingtodoUSBoperation,pleasecovertheplasticcovercap.
14.ST/MOBUTTON
15.CLKBUTTON
16.AUXINPUTJACK
17.USBSOCKET
Aninsulationtagwasinstalledinyourremotebythemanufacturertopreventthe
batteryfromdraining.Removingthetagfromtheremotebeforeusing.
LithiumBattery:CR20253V
BatteryLife:Approximately6months.
1)Removethebatteryholderbypressingthelockingtabwithyourthumb
andpullingitout.
2)Replacethebatterywiththesametypeandthesidefacingup.
3)Gentlypushintheholderuntilsecurelylockedintoplace.
WARNING
BATTERYINFORMATION:
ReplacingtheBatteryfromtheRemoteController:
:
”+
Donotrecharge,disassembleordisposeofinfire.
Batteryleakagemaycausedamagetotheunit.
Toavoidtheriskofaccident,keepbatteriesoutofreachofchildren.
MAINTENANCEOFREMOTECONTROL

OPERATIONOFREMOTECONTROL
1
7
4
8
2
9
6
5
3
1.PowerOn/Off.
2.MuteButton
3.SEL/MENUButton
4.AudioLevel&MenuUP(+)Button
5.AudioLevel&MenuDown(-)Button
6.Tune/SeekUpAndTrackSkipUp/FFButton
7.Tune/SeekDownAndTrackSkipDown/REWButton
8.ModeButton
9.BandButton
18.RELEASEBUTTON
19.RESETBUTTON
20.IRREMOTESENSOR
PresstheRELbuttontoreleasethefrontcontrolpanelfromtheunitchassis,
thenpullitupalittletoremovefromtheunitchassis.
WhenthefrontcontrolpanelisremovedtheLEDindicatorflashes.
Beforeoperatingtheunitforthefirsttime,orafterreplacingthecarbatteryor
changingtheconnections.Youmustresettheunit.
Pressthisbuttonwithacuspidalobject.Thisoperationwillerasetheclock
settingandsomestoredcontents.
BOSS AUDIO CAR STEREOS CAR AUDIO SYSTEMS