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CobyElectronicsCorp. 
56-65RustStreet 
Maspeth,NY11378
www.cobyusa.com 
www.ecoby.com
USER'SMANUAL
DIGITALAUDIOPLAYERW/VOICERECORDER
Pleasereadmanualbeforeoperation
CustomerServiceHours
Monday-Friday8:00AM-11:00PMEST,1-800-681-2629or718-416-3197 
Monday-Friday6:30PM-11:00PMEST,1-800-727-3592 
Saturday-Sunday9:00AM-11:00PMEST,1-800-727-3592 
OrSendE-Mailto:Customerservice@cobyusa.com/techsupport@cobyusa.com
MPC651
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Contents
Contents
GettingStarted
Features....................................................................................
Accessory..................................................................................
SaftyInstructions......................................................................
Installingabattery...................................................................
LocationofControl.................................................................
LCDDisplay..............................................................................
MENUTable..............................................................................
ConnectiontoComputer
USBDriverInstallation.............................................................
ConnectingtheplayertoPC...............................................
Downloading/Uploadingfiles..............................................
DisconnectiontheUSB...........................................................
BasicOperations
PowerOn/Off.........................................................................
EnteringtheMenu..................................................................
PlayingMusic..........................................................................
AdjustingtheVolume............................................................
RecordingVoice....................................................................
SearchingforMusic/VoiceFiles...........................................
2
10
11 
12 
13 
13
14 
15 
16 
16 
17 
18
AdvanceSetup
4 
5 
6 
7 
8 
9
Systemsetup...........................................................................
Play/RepeatMode...............................................................
LoopA-BRepeat....................................................................
Delete/Format.........................................................................
Format/Resume......................................................................
19 
21 
21 
22 
23
CustomerSupport
F/WUpgrade.........................................................................
Troubleshooting.....................................................................
Specifications........................................................................
Warranty.................................................................................27
24 
25 
26
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Features
512MBBuilt-inFlashMemory
MP3,WMAPlayback
RemovableStorageDevice(Music,DataandPictures)
Accessory
PlugandPlay(Noinstallationsoftwarerequirefor 
Window2000/WindowME/WindowXP)
VoiceRecording
DisplaysSongTitle,AlbumandArtist
UpgradableFirmware(Youcanupgradetheprograms 
whenavailable.Pleasecheckthehomepage 
www.cobyusa.comforupgrades.
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MP3PlayerUser'sManual
Earphonew/NeckstrapUSBCable
InstallationCD
1xAAABattery
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SafetyInstructions
InstallingBattery
1.Donotexposetheunittohightemperatureorhumidity.
2.Donotsubjecttheunittosevereimpact,orplaceheavy 
objectsonit.
3.Donotusestrongdetergentorsolventtocleantheunit.
4.Removebatterywhenthedeviceisleftunusedfora 
longperiodoftime.
5.Donottrytodisassembleandrepairthedeviceyourself.
6.Donotexposetodirectsunlightorheatsources.
7.Donotstoreindustyareas.
Protectyourears:
Hearingexpertsadviseagainsttheconstantuseof 
personalstereoplayedathighvolume.Constanthigh 
volumeusecanleadtohearingloss.Ifyouexperience 
ringingintheearsorhearingloss,discontinueuse 
andseekmedicaladvice.
Battery(included):
Thisunitoperatesononealkalinebattery(AAAsize).
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InstallingBatteryandSD/MMCCard
1.Openthebatterycover.
2.InserttheAAAbattery. 
Makesuretomatchthe+and-endsofthebatterywith 
thediagraminsidethebatterycompartment.
3.InserttheSD/MMCCard.
(1)(2)(3)
Note: ToreleasetheSD/MMCCard,justpressthecard
whichwillspringbackout.
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LocationofControl
LCDDisplay
8
VOLUME+ 
VOLUME-
MENU 
REW
POWER 
ON/OFF 
/ENTER
Phonejack
USBPort
NeckStrap 
Hook
LCD 
Display
PLAY/ 
PAUSE
F.FWD 
STOP
Mic
REC/A-B 
Button
Hold
Battery 
Compartment/ 
(SD/MMCCard 
Compartment)
FileType
VoiceFile 
MusicFile
TotalTrack
FileFormat
WMA 
MP3
020NORM 
044
MP3MUSIC
44
128
KHZ
KBPS
Bit
Sample
Rate
Frequency
CurrentTrack
EQIndicator
01:16
Battery 
Indicator
Function 
Indicator
Elapsed 
Time
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MENUTable
USBDriverInstallation
10
MENU
Music
NAV
Voice 
Playlist 
SD/MMCCard
MSC (Music)
REC (Recording)
SYS
EQ- Normal,Classic,Live,Pop,Rock 
RepeatMode-Normal,One,All,Intro,Random 
Display- ID3Tag,Lyric,Contrast,B-lightTime, 
AutoOff- 30Sec,1Min,2Min,3Min 
Recording- 1.RECMode-Low,Middle,High
Resume-
DeleteFile-Music
FormatĀReset 
Information- 1.F/WVersion
2.VAD-On/Off
1.TrackOn(Off)
2.TimeLineOn(Off)
Voice
1.InternalM.
2.SD/MMCCard
2.InternalM.
3.SD/MMCCard
USBDriversoftwareInstallation:
IfyouareusingWindowsMe/2K/XPorMacX 
(version10.2.6orabove),thereisnoinstallationrequire, 
justconnecttheplayertothecomputer.OSwillsetupfor 
onemomentandthenremovablediskiconwillshowin 
"MyComputer"
IfyouareusingWindows98,youmustinstallthedriver 
whichwillsetuptheupdateutilityanddrivertocomputer.
1.InserttheInstallationCDintotheCD-ROMdriver.
2.ClicktoopenthediscD:(WhereD:\isyourCD-ROM 
drive)andfindout"Win98Driver.exe",clicktorunthe 
program.
3.SetupdialogueWindowwillbedisplayedonthescreen.
4.Operatefollowingtheinstructionsonthescreenuntilget 
thesuggestionthatrestartyourcomputernoworrestart 
itlater.
5.SelectoneoptionandthenclickFINISH.
(ForMacOSuser,it'llshowonthe"Desktop").
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ConnectingtoPC
Down/uploadingFiles
ConnectingtheplayertoPC:
1.Makesuretheplayeristurnedoff.
2.Connecttheplayerwithyourcomputerbysupplied 
USBcable.
3.PCwillautomaticallydetecttheplayerasremovable 
diskunderMYCOMPUTER.
4.GotoMYCOMPUTERandconfirmtheconnection.
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Downloading/Uploadingfiles:
1.ConnecttheplayertoPC.
2.OpenWindowExploreronPC.
3.Selectthefiletosaveanddrag-and-dropitintothe 
removablediscicon.Youcanalsotransferfilefromthe 
playertoyourPC.
Note: Donotremovetheplayerwhileit'stransferingfiles.
Itmightcurruptordamagethefirmwareandorfiles 
ontheplayer.Iftheplayerisaccidentleyremoved 
whiletransferinganddoesnotworkproperly,remove 
batteryfor3secondsandreplaceit.
DisconnectingthePlayer:
Aftercompletingthefiletransfer,youmustdisconnectthe 
playerasfollowingdirection:
1.Double-clickonthegreenarrowinthetaskbaronthe
bottomrightofthewindow.
2.Whenthe[StopaHardwaredevice]messageappears, 
pressthe[OK]buttonanddisconnecttheUSBport.
3.Nowyoucanremovetheplayersafely.
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PowerOn/Off
EnteringtheMenu
HoldFunction:
HoldOff:SettheHOLDswitchtooppositedirectionof 
arrowsymboltooperatetheplayer. 
HoldOn:SlideHOLDswitchtothearrowdirectionto 
disableallthefunctions.Thescreendisplaysholdsymbol:
020NORM 
044
HOLD
44
128
KHZ
KBPS
01:16
TurningPowerOnandOff:
PowerOn:Press/holdtheJoysticktoturnonthepower. 
Thedisplayshows"COBY".
PowerOff:Press/holdtheJoysticktoturnoffthepower.
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Toenterthemainmenu,pressMENUbutton.
NAV
RECMSC SYS
Inthemainmenu,itwilldisplayNAV,MSC,RECandSYS. 
RefertotheMENUTablefordetail(pg9)
NAV(Navigation)
1.MUSIC:NavigationfortheMusicfiles
2.VOICE:NavigationfortheRecordfiles
(ex.MP3,WMA)
(ex.MIC0001.mp3)
3.PLAYLIST:NavigationforthePlayListfiles (ex.M3U)
4.SD/MMCCARD:NavigationforfilesinSD/MMCCard 
MSC(MusicPlayback) 
REC(VoiceRecording) 
SYS(SystemSetup)
Toexitthemenu,presstheMENUbutton
Note: WhileworkingwithMENU:
1.Slidejoysticktomakeselection.
2.Pressjoysticktoconfirm.
3.PressMENUbuttontoexitmenu.
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PlayingMusic
VoiceRecording
PlayingMusicusingMSCMenu
1.EntertheMSCmenu.
2.Pressthejoystickupformusicplayback.
AdjustTracks
Pressjoysticktorighttoplaynexttrackandleftto 
movetoandplayprevioustrack. 
Pressandholdjoystickrighttomovefastforward. 
Pressandholdjoysticklefttomovefastbackward.
AdjustVolume
Pressvolumebuttontoadjustthevolume.
PausePlayback
1.Pressthejoystickuptopauseplayback. 
Note: Ifnobuttonsarepressedwithincustomsettings,
theplayerautomaticallypowersoff.
2.Pressthejoystickupagaintoresumeplayback.
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StartRecording:
1.SelectRECmenufromthemainmenu.
2.Pressjoysticktoenter.
3.Theplayerwillstartrecordingimmediately.BlinkingREC 
symbolwillappearonlowerleftconerofthescreen:
StopRecord:
Slidethejoystickdown.
PlayRecordVoice:
Pressthejoysticuptostartplayback. 
Pleaserefertootherplaybackmodefordetail.(page6)
RecordingundertheRECmode:
1.Gettothestopmode.
2.PressRECbuttontostartrecording.
Note:RecordedvoiceissavedautomaticallyintheVOICE
folderundertheNAVmenu.
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SearchingforMusic/Voicefiles
SystemSetup
TosearchdesiredfileusingNAVmenu
1.EnterNAVmenu.
2.SelectdesiredsubmenufromMUSIC/VOICE/PLAYLIST 
SD/MMCCard 
MUSIC:MP3andWMAmusicfiles 
VOICE:Recordedvoicefiles 
PLAYLIST:Playlistfile 
SD/MMCCard:FilesonSD/MMCcard.
4.IntheMUSICmenu,allfilesandfoldersarelisted 
underthe"ROOT".
5.IntheVOICEmenu,allfilesandfoldersarelisted 
underthe"RECORD".
6.Pressjoystickup/down/tomovetodesired 
folderorfile. 
Pressjoystickrighttoopenthefolder. 
Pressthejoysticklefttoexitthefolder. 
Pressjoysticktoconfirmyourchoice.
Note:YouwillnotbeabletoopenthePLAYLIST/
RECORDfolderundertheROOTofMUSICmenu.
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Systemsetupmenucontainsthefollowingsub-menus. 
Pleasenoteeachfunctionofsub-menus.
1.EQ:Changeequalizersettings (Normal,Classic,Live,Pop,Rock)
2.REPEATMode:Changerepeatingoptions.(refertopg.20)
3.Display:Adjustscreendisplaysettings. 
ID3TAG:Displaystrackinformationsuchasalbumname,
artistandnameofthesongifanywhenturnedon. 
LYRIC:Displayslyricwhenplaying. 
CONTRAST:AdjustcontrastofLCD 
B-LIGHTTIME:Adjustbacklightilluminationtime
4.Autooff:Selecttoshutofftheplayerautomaticallywhenitis 
leftunattended.
5.REDORDING-RECMode:Adjustrecordingquality
VAD:VoiceActivateDetection.Thisfunction
adjustsvolumeautomaticallywhen 
recordingvoiceaccordingtoinputlevel.
6.RESUME:Thisismarkfunction,itrememberselapsedtime
fromlastmusicorvoicefileplayback.
7.DELETEFILE:Deleteunwantedfiles.
8.FORMAT:Formatinternalmemory.
9.Reset:Resetallmenutofactorysetting.
10.Information-1.F/WVersion:SelecttoviewcurrentF/Wversion.
2.INTERNALM.:Selecttoviewmemorystatus.
3.SD/MMCCard:SelecttoviewinfoinSD/MMD.
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Play/RepeatMode
LoopA-BRepeating
TosetupRepeatmodeusingMainmenu
1.Gettothe"RepeatMode"submenubybelowsteps. 
MainmenuSYSmenuRepeatMode
2.Pressjoysticktoenter"RepeatMode"
3.Pressthejoystickleft/right/toselectthedesired 
playmodeandpressittoconfirm.
4.Toexitthemenu,pressMENUbutton.
Note:MENUbuttonwillbackingupmenueachtimeyou
presstheMENUbutton.
WhileinPlaybackmode
NORMAL:Theplayerwillplaytracksinnormalorder 
ONE:Theplayerwillrepeatcurrenttrackonly. 
ALL:Theplayerwillrepeatalltracks. 
INTRO:Theplayerwillplayeachtrackforafew
seconds.
RANDOM:Theplayerwillplaytracksinrandomorder.
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StartingPoint"A"
Whileplayingmusicorvoicefiles,presstheA-Bbutton 
brieflyatthebeginningoftheloopyouwanttoset.
appearsinrightupercornerofthedisplay.
EndingPoint"B"
PresstheA-Bbuttonbrieflyagaintosettheendoftheloop.
appearsinthedisplay.
Now,theloopisplayingrepeatedly.
PresstheA-Bbuttonagaintocanceltheloop.
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Delete/Format
Format/Resume
Deleting
1.Followbelowstepstoenterthe"DeleteFile"submenu. 
MainmenuSYSmenuDeleteFile
2.In"DeleteFile"menu,itdisplaysMusic,Voice. 
Pressjoysticktoconfimanoption."DeleteFile"window 
appears
3.Pressjoysticklefttoselect"Yes"andpressjoystick 
todeletefile.
4.Pressjoystickrighttoselect"NO"andpressjoystick 
toconfirm.Itwillskiptothenextfile.
Formating
Note: WhenformattingMMCCard,usethisMP3playerto
format,notwithPC.
MUSIC
DELETEFILE?
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Formating
1.Followbelowstepstogettothe"Format"submenu. 
MainmenuSYSmenuFormat
2.In"Format"menu,itdisplaysINTERNALM.,SD/MMCCard. 
Pressjoysticktoconfimanoption.The"Format"window 
appears.
FORMAT
3.Pressthejoysticklefttoselect"Yes"andpressthe 
joysticktoformat.
SettingResumFunctionOn
1.GettotheRESUMEmenu.
2.Pressjoystickrighttoselet"ON"andpressjoystick 
toconfirm.
3.Ifyouwantitalsorememberthetimeline,performstep2 
tosetthetimelineon.
4.Theplayerwillstartwiththelastplaybackonceit'sturnedon.
5.TosetRESUMEoff,gettotheresumemenu.Slidejoystick 
lefttoseletct"OFF"andpressjoysticktoconfirm. 
Theplayerwillstartwiththefirstfileonceit"sturnedon.
RESUME
1.TRACK ON
2.TIMELINE OFF
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F/WUpgrade
DownloadingF/WUpgrade
Whenyouupgradefirmware,makesuretousenew 
batterybecauseittakelargeamountofpowerwhen 
upgrading.Ifbatteryrunoutofpowerduringupgrading, 
flashmemorywillgetdamaged.
1.Makesuretheplayeristurnedoff.
2.ConnectUSBporttothePCcomputer.
3.PCwillautomaticallydetecttheplayeras"Removable 
disk"underMYCOMPUTER.
4.DownloadavailableF/WUpgradefromourwebsite.
5.SelectnewF/Wupgradeanddrag-anddropitintothe 
removablediscicon.
Note: Aftercompletingthefiletransfer,disconnectthe
playerusing[StopaHardwaredevice].Referto 
page13fordetailnote"Disconnectingtheplayer".
6.Afterremovetheplayer,turnonthepower.
Note: Playerwillautomaticallyupdateitwhentheplayer
isturnon.
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TroubleShooting
Theplayerdoesnotwork
1.Checkthebatterycapacity.
2.Checktoseeifthebatteryisinsertedproperly.
Downloadfailure
1.ChecktoseeifthedriverisinstalledcorrectlyinthePC.
2.Checktheconnection.
3.Checkifthememoryisfull.
4.Checkthebattery.
Thebuttonsdonotwork
1.ChecksettingofHoldswitch.
2.Removethebatteryonceandtheninsertitagain.
Poorsoundquality
1.Checkifthequalityofmusicfileispoor,and 
reformatordownloaditagain.
Something'swrongwithLCDdisplay
1.Removethebatteryandtheninsertitagain.
TheLCDdisplaysnothing
1.Copythefontfile(FTUP_COBY641_V00_04.FNT)fromthe
suppliedCDtotheplayer'srootfolder.
2.Oryoucandownloadthefontfilefromourhomepage:
www.cobyusa.com
3.OryoucancalltechnicalsupportforHot-keyreboot.
Tel)1-718-416-3197,1-800-681-2629
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Specification
Power--------------------------------------------------------1xAAABattery 
Memory-----------------------------------------------------------------512MB 
Size(WXHXD)-----------------------------------------------2.2"x2.87"x0.82" 
Interface---------------------------------------------------------USBRev.1.1 
Display-------------------------------------128x64dotsDot-MatrixLCD 
Processor---------------------------------------------------------65MIPSDSP 
AudioPlayback---------------------------------------------MP3decode 
VoiceRecording-----------------------------IMA-ADPCMencoding
32hoursrecording 
SignaltoNoiseRatio------------------------------------------------90dB 
FrequencyResponse---------------------------------------20Hz~20KHz 
Output------------------------------------------------>5mW(eachoutput) 
DistortionOutput-----------------------------------------------0.01%~0.1% 
Ports--------------------------------------------------------------------------USB 
WMAFormat---------------------------------------------------32-192Kbps 
MP3Format--------------------------BitRate:96-320Kbps,Optional 
SD/MMCCard
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