User’s Manual
648UA
IN-DASH SINGLE-DIN
MP3-COMPATIBLE CD
AM/FM RECEIVER
WITH USB AND SD MEMORY CARD PORTS
AND FRONT PANEL AUX INPUT
648UA
IN-DASH SINGLE-DIN MP3-COMPATIBLE
CD AM/FM RECEIVER
WITH USB AND SD MEMORY CARD PORTS
AND FRONT PANEL AUX INPUT
0113
iPod® is a trademark of Apple, Inc.
registered in the U.S. and other countries.
tech support: www.bossaudio.com/support
3451 Lunar Court • Oxnard, CA 93030
BOSS Audio Systems
www.bossaudio.com
800.999.1236
Boss Audio Systems is not affiliated with Apple, Inc.
LOCATIONANDFUNCTIONOFCONTROLS
4 51732
WIRESCONNECTION
WHITE
RED
RCAOUTPUT
RCAOUTPUT
6
7
1
81
9 10 11 12 13 1614
3RPT 4RDM 5 6
2INT
648UA
MODE
/PTY
BAND
/APS
18 15
1.RELEASEBUTTON
PresstheRELbuttontoreleasethefrontcontrolpanelfromtheunitchassis,
thenpullitupalittletoremovefromtheunitchassis.
2.POWERON/OFF&MUTE
Whentheunitispoweroff,theunitswitchesonbypressinganybuttonexcept
theEJECTandtheRELEASEbutton.
Whentheunitispoweron,pressandholdthepowerbuttonformorethan0.5
seconds,theunitgoesintopoweroffmode.
Whentheunitispoweron,pressthepowertoswitchtheMUTEstateon/off.
3.CDSLOT
4.LCDDisplay
5.EJECTKEY
Inthepoweronstate,theloadeddisccanbeejectedbypressingtheEJkey.
6&7.TUNE,SEEK,TRACK,SKIPUP/DOWNBUTTONS
a)DuringRADIOmode:
Pressthe>>|or|<<buttonbrieflytomanualtuneup/downforthedesir edradio
stationfrequencystepbystep.
Pressandholdthe>>|or|<<buttonforlonger0.5seconds,toautomatically
tuneup/downfortheradiostationfrequencyofstrongsignal.
Page2
ISOSOCKET ANTENNAJACK
CONNECTORA
1.
2.
3.
4.Memory+12V
5.AutoAntennaOutput
6.
7.12V(ToIgnitionKey)
8.GROUND
CONNECTORB
1.RearRightSpeaker(+)
2.RearRightSpeaker(-)
3.FrontRightSpeaker(+)
4.FrontRightSpeaker(-)
5
.FrontLeftSpeaker(+)
6.FrontLeftSpeaker(-)
7.RearLeftSpeaker(+)
8.RearLeftSpeaker(-)
ISOSOCKETSKETCH
SPECIFICATION
GENERAL
SupplyVoltageDC12V.NegativeGround
CurrentConsumptionMax.10A
PowerOutput4x60W
Numberofchannels2STEREOchannels.
UnitDimensions(LxWxH):7
” x6.5” x1.97”
178x165x50(mm)
FMSECTION
Frequencyrange87.5Mhz-108Mhz(Europe)
87.5Mhz-107.9Mhz(U.S.A.)
Effectivesensitivity3uV.
I.FFrequency10.7MHz.
AMSECTION
Frequencyrange522Khz-1620Khz(Europe)
530khz-1710Khz(U.S.A.)
Effectivesensitivity40dB.
I.FFrequency450KHz
PreampOutput1VOutput
CDPLAYER
SystemMP3AudioSystem.
SuitableCDsMP3,CD,CD-R,CD-RWDisc
Frequencycharacteristics20Hz-100Hz<5dB
10KHz-20KHz<5dB.
S/NRatiotoCD 50dB[1KHz]
Page9
PDF created with FinePrint pdfFactory trial version http://www.pdffactory.com
CAREFORUSINGCD'S:
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.
1.Tokeepthediscclean:
Donotattachanystickeroradhesivetapeonthedisc.
Handlethediscbyitsedgetokeepthedisccleananddonottouchthesurface.
Beforeplayingadisc,wipeitoffwithaclean,dust-freecleaningcloth.
Wipethediscoutwardsfromthedisccenter.
2.Whenonehasalreadybeeninserted.Doingsomaydamagetheunit
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.
.Insertadisc
b)Duringdisc,USBplaybackmode:
Pressthe>>|buttonbrieflytoplaynexttrack.
Pressthe|<<buttonbrieflytoplaythecurrenttrackfromthebeginningofit
iftheplayingtimeismorethan2seconds.
Pressthe|<<buttonbrieflytoplaytheprevioustrackiftheplayingtimeis
lessthan2seconds.
Pressthe>>|or|<<buttonandholdtoskipforwardsorbackwards,release
toresumenormalplayback.
8.SEL(MENU)BUTTONANDVOLUMEUP(+)/DN(-)KONB
a)PresstheSELbuttonbriefly,itisactivatedasselectingeachmodeofE.VOL.
->VOLUME->BASS->TREBLE->BALANCE->FADER->
Whenselectingadesiredaudiomode,rotatetheVOLknobtoadjustthe
audioeffect.
Ineachmode,thewaitingtimeisabout5seconds,andwhenthewaitingtime
isover,itreturnstothelastdisplaymodeoftunerorCDmode.
ThecontrolmodeofE.VOLisoperatedwithfollowingnumericdisplay.
b)Whenpressedlonger2seconds,itshowthetimethenitisactivatedas
cyclicalmodeoffollowingfunctionsforusersselection.
->TA(ON/OFF)->AF(ON/OFF)->TA(ALARM/SEEK)->PI(SOUND/MUTE)
->RETUNE(LONG/SHORT)->MASK(DPI/ALL)->BEEP(ON/OFF)
->USERSET(FLAT/CLASSIC/ROCK/POP)->VOL(LAST/DEFA)
->EUROPE/AMERICA(inradiomode)->MONO/STEREO(onlyforFMmode)
->LOUD(ON/OFF)->LOCAL/DX(onlyforFMmode)->CLK(ON/OFF)
->CLK(12/24)mode->CLK00(
theVOLknob
Afterselectingthedesiredmode,rotatetheVOLknobtoselectonesetup
itemofthedesiredmode.
1)TA[TRAFFICANNOUNCEMENT]
WhenTAmodeison(TAisdisplayedonLCD),itwillbegintoseekTAstation
andTASEEKwillbedisplayedonLCDforawhile.
Whentrafficannouncementistransmitted:
(1)IftheunitisinUSBordiscmode,itwillswitchtoradiomodetemporarily.
TemporarilyswitchovertoanEONlinkedstationwhenEONdetectsatraffic
announcementonthatotherprogram,andTPwillbedisplayedonLCD
(2)Ifvolumelevelisbelow20,volumelevelisraisedto20,andreturnstoits
previousmodeandvolumelevelwhenthetrafficannouncementisover.
(3)Ifvolumeisadjustedduringtrafficannouncement,onlythetraffic
announcementvolumeisvalid.
-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
’
youcanadjustHOURorMINUTEbyrotating
’00
).
Page8 Page3
PDF created with FinePrint pdfFactory trial version http://www.pdffactory.com
*TAinterruptionfunction:
Thecurrenttrafficannouncementiscancelledbypressingthiskey.Butthe
TAmodewillnotbeoff.
*WhenTAison,SEEK,(SCAN),AUTOMEMORYfunctioncanbereceivedor
savedonlywhentrafficprogramidentificationcodehasbeenreceived.
2)AF[ALTERNATIVEFREQUENCIES]
WhenAFswitchingmodeisselectedandthestateofAFswitchingmodeis
displayedbyAFsegmentindisplay.
Segmentoff:AFswitchingmodeoff.
Segmenton:AFswitchingmodeon,andhasRDSinformation.
Segmentflashing:AFswitchingmodeon,butRDSinformationisnot
receivedyet.
WhenAFswitchingmodeisselected,theradiochecksthesignalstrengthof
AFallthetime.TheintervalofcheckingtimeofeachAFsdependsonthe
signalstrengthofcurrentstation,fromafewminuteforstrongstationtoafew
secondsforweakstation.EverytimethatnewAFisstrongerthancurrent
station,itswitchesovertothatfrequencyforveryshorttime,and
NEWFREQUENCYisdisplayedfor1-2seconds.BecausethemutetimeofAF
switchingorcheckingtimeisveryshort,itisalmostinaudibleincaseof
normalprogram.
DuringFMmode,whenAFison,SEEK,(SCAN),AUTO-MEMORYfunctioncan
onlyreceiveandsaveRDSprogram.
3)TASEEK/TAALARM:
TASEEKmode:whennewlytunedstationdoesnotreceiveTPinformationfor
5seconds,theradioretunestonextstationwhichhasadifferentPItothelast
station,buthastheTPinformation.
WhenTPinformationgetslostatthecurrentstationforretunetimewhichis
setbyRETUNESHORT(60seconds)orRETUNELONG(90seconds),the
radiostartstoretunetonextsamePIstation.WhensamePIstationdoesnot
receivein1cyclicsearch,theradioretunestonextstationwithTPinformation.
TAALARMmode:whenthismodeisselected,anyautomaticretunemodeis
notactivated.Onlydoublebeepsound(ALARM)willbeheard.
WhennewlytunedstationdoesnothaveTPinformationfor5seconds,beeps
aresounded.
WhenTPinformationgetslostatthecurrentstationforretunetime,thebeep
soundwillbeheard.
WhennewlytunedstationhasnoRDSsignal,PISEEKissuppressed.
20.SDCARDSLOT
WhenyouneedtoplaythefileintheSDcard,inserttheSDcardintothe
SDcardslot.ThesystemwillchangeintotheSDmodeautomatically,
andthenplaythefirstfileintheSD.
Note:
WhenSDcardandUSBstickarebothinsertedintotheirslotorsocket,the
systemwillchangeintotheplaybackmodeofthelatterone.
INSTALLATIONMETHOD
Thisisananti-theftinstallationmethod.
ThemainunitwearsaMETALMOUNTINGSLEEVE.
Pleaseconnectthewiring,eg,thePowersupply,theSpeakersandtheAntenna
accordingtotherequirementsofthisInstructionManual,theninstallthemetalmounting
sleeveintothecarasperthediagramillustratedbelow.
Toraisetheanti-skipcapabilityoftheunit,
pleaseensurethemetalsupportstrapis
METAL
SUPPORTSTRAP
DASHBOARD
ToremovetheCDplayeroutofthemountingsleeve,
insertthetwosuppliedkeysintotheleftandrightside
slotsofthechassisatthesametime.
connectedfirmlytothecarchassis.
METALMOUNTINGSLEEVE
Toproperlyfixthemetalmounting
sleeve,bendthetabsofthesleeve
againsttheDASHBOARDwitha
screwdriver.
UNITCHASSIS
PLASTICTRIMRING
FRONTPANEL
4)PISOUND/PIMUTE:
PISOUNDmode:ifacarcruisesbetweenbuildingsthatcouldcause
reflectingsignals,aphenomenonmayoccur,duetodifferentPIcodesbeing
receivedfromthesameAFsource.whendifferentPIsounds(DIP)areheard
occassionally,thiswillhappenforlessthan1second.
PIMUTEmode:underabovesamesituation,amutesoundwillbeheardfor
lessthan1second.
5)RETUNEL/RETUNES:
TheinitialtimeofautomaticTAsearchorPISEARCHmodeisselected.
WhenPIinformationisnotreceivedforretuneinterval,theradiostartsto
retunetonextsamePIstation.
WhensamePIstationdoesnotreceive1cyclicsearch,theradiogoestolast
stationandwaitsfor4-5minutesuntilPIcodeisreceived.
RETUNELmode:selectedas90seconds.
RETUNESmode:selectedas60seconds.
Page4 Page7
PDF created with FinePrint pdfFactory trial version http://www.pdffactory.com
NOTE
Beforeinstallingandoperating
theCDplayer,removethemetal
mountingsleeveillustratedby
thearrows.
Removethetwoscrewsthatprotect
theCDplayerduringtransportation
beforeoperatingtheplayer.
Toattachtheremovablefaceplate,insertthe
rightsideofthefaceplateintotherightofthe
CDplayerchassisfirst.Thenpushtheleftside
ofthefaceplateintothechassisuntilyouhear
itclick.“”
In Rad io mode, Pre ss MO DE/PTY button long er to select one of the follow ing
mode: PO P M- - NEWS
While select ing PT Y TYPE, its selecti on is im plemented b y pre s et buttons a s
described in prese t key.
to select the PTY TYP E in th e prese t button)
When POP M or NE WS is on, th e previous P TY prog ram and PT Y word is
displaye d on LCD.
If there ar e no ke ys entered for 2 second s, previ ously sel ect ed PT Y is searched.
During 1 loop, if desired PTY is not f
previous normal radio an d PTY icon g oes off.
16 .A U X IN P UT JACK
Press t he mode button t o select au xil iar y input playing mode. Then y ou ca n
connect an y matched extern al audio device t o thi s socket . Use the volume
knob to adjus t volume.
17 .USB
18. BAND/APS BUTTON
During r adi o m ode:
Note
ti m e to se arch for R DS si gnal, if m ore radio sta t ions, it takes more time, especially
if m ore non-RD S radio station, mor e time it sea rches.
During MP 3 file in disc, or U SB mo de:
19 . RESET BUTTON
SOCKET
In order to play the file in the USB stick, turn o ver the plas tic c over cap then
inser t the U SB st ick into t he US B socket. The system will chan ge in to the
USB mode automatically, and then pl ay th e fir st fi le in th e USB .
1)Press this button briefly to sele ct the rad
like t o hea r. The AM/FM band i s toggled cy clically through the tuning ban ds:
-> FM 1-> F M 2 -> FM 3 ->AM1 (MW 1 )->AM2(MW 2) ->.
2) Pre ss and hold for more than 1 second, the radio se arc hes from the current
frequenc y and checks the sig nal strengt h level un til 6 stations are found .
And th en the 6 sta tions fr equency are pres e t to the corre sponding pr e set
memo ry numbered ba nk. T he auto-storage operat ion i s imp lem e nted in the
each sele cted b and. Whe n the auto-stora ge operation is finish ed, t he radio
ute the Pres e t Scan.
exec
: when AF OFF, it only n eed t o use 20 s to st ore ; whil e AF ON as it n e eds to tak e
Press thi s button to turn t o TRA CK SEARC H mode, the LCD w i ll display TRK
000 an d flas h th e biggest digit 0 that the USB stic k contain. (i f t he nu mber of
trac ks is less than 100 an d more t han 9, it will be TRK 00 )
Then r otate th e VOL knob to s elect th e num ber of the f
Then p res s SEL button to confirm th e numb er and flash next smal ler digit 0.
With t he same means , selec t the number of th e fla shing digi t. After fi nishing
select ing the number of all flashi ng di git, press SE L butto n to play the t rack of
the se lected serial numb er.
Before ope rating the unit for the first t i me, or after replacin g the c ar battery or
changing t he co nne ctions . You mus t r ese t the unit.
Press the reset button with a paper clip or pen. This operation will erase the clock
setting and some stored content.
(press one of the 6 p res et buttons sho rtly and repeate dly
ou nd, N O PTY i s flashed, th en ret urn to
io b roadcasti ng band you w oul d
la shi ng di git fr om 0 ~ 9.
Page 6 Page 5
6) MAS K DPI/MA SK ALL:
MA SK DPI mode : masks only t he AF which ha s different PI.
MASK ALL mode: masks the AF which ha s different P I and NO RDS si gnal
with h igh fiel d str ength.
7)BEE P ON/BEEP OFF
BEEP ON mode: The be ep is generated when any ke y is press ed.
BEEP OFF mode: Th e beep sound is disabled..
8) VOL LAST/VO L DEFA
VOL LAST: The radio sw itches on at the actual vo lume it had when i t was last
VOL DE FA: After pressing SE L button, AVO L will be dis played . Then you c an
9)CL K ON/OFF
CLK ON: C lock will alw ays show on the display w hen p ower o ff.
CLK OFF: Clock will dis appear o n the d isp l ay wh en power off.
switch e d off.
pre-select a c ons tant swit ch- on volume by using the V OL
knob .
9-14. PRESET STATION MEM O RY AND TOP/>||, INT, RPT, R DM BUTTONS
a) Dur ing radio mode:
Go to any preset station by pr essing o ne of t he 6 preset station buttons (1-6).
If one of these buttons is pressed for more than 2 seconds, the station
currently being liste ned t o will be memorized into the selected preset button.
b) Dur ing disc, SD or USB mode:
1) Press the TOP
/ >|| button briefly to interrupt the playback of the disc, SD
or USB . Press again to resume normal playback of the disc, SD or USB.
Press the TOP/>| | button an d hold for approximately 0. 5 second s to play the
first track of the disc, SD or USB.
2) Press the INT button to sa mple the first 10 s econds par t of each track, a nd the
INT ON wil l be visible on the LC D display.
In the process of INT, pressINT button again to sto p sampling and to continue
playing the current track, and the LCD will display INT OFF.
3) Press th e RPT button once to play the curr ent trac k repeatedly, and th e RPT
ONE will be vi sible on the LCD display.
During MP3/WMA disc, SD or USB
mode, press the RPT button twice
continuously to play the current folder repeatedly, and the RP T DIR will be
visible on the LCD displa y.
In the process of RPT, press RPT button again to s top playing repeatedly
mode and the LCD will display RPT OF F.
4) Press th e RDM button to play all tracks on disc in random orde r, and t he RD M
ON will b e visible on t he LC D display.
In the process of RDM, press RD M butto n again t o sto p playing in random
order and the LCD will displa y RDM OFF.
5) Press th e 5 and 6 button to move up and down10 tracks at a time.
When the remaining total tracks are less than10, both buttons a re inacti ve.
Press and hold the 5 and 6 button t
15. MO DE AND PTY (PROGRAM TYPE) BUT TO N
Pres s the MODE butto n to ch ange amon g tu ner (radio), dis c (when a disc i s
loade d), U SB (w he n an US B stick is i nsert ed) an d AUX mode.
o select next or previou s folder to be played.
PDF created with FinePrint pdfFactory trial version http://www.pdffactory.com
Loading...