Korg C1 - Appendix; Troubleshooting; Instrument Not Turning On; No Sound

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120notes.Soundsusingtwooscillators,suchastheBank
2soundofthePIANO2buon,ortheBank1and2sounds
ofthe E.PIANO2buon,have a maximum polyphonyof
60notes.
120÷Numberofsoundoscillators=Maximumpolyphony
Keep the maximum polyphony in mind and carefully
choosesoundswhenusingLayerModetoplaytwosounds
simultaneouslyorwhenusingthedamperpedal.
Specications
Keyboard RH3(Realweightedhammeraction3)
88keys(A0–C8)
Touch Curves Fiveavailable
Pitch Control Transpose,Mastertuning
Temperament Threetypes
Sound Generation StereoPCMSystem
Polyphony 120notes(max)
Sounds  30sounds(10x3banks)
Eects Brilliance,Reverb,Chorus(3levelseach)
Recorder Twoparts,maximum14,000notes
(approximately100KB)
Demo Songs 50
  (SoundDemoSong×10,PianoSong×40)
Metronome
Tempo,TimeSignature,Accent,soundandVolum
controls
Pedal
Damper*,Sostenuto,Soft*(*half-pedalingsupported)
Connections
LINEOUT,Headphones×2,MIDI(IN,OUT),PEDAL,
SPEAKER
Controls
Power,VOLUME,PIANOSONG,TRANSPOSE,
FUNCTION,TOUCH,BRILLIANCE,REVERB,
CHORUS,BANK,Sound×10,DISPLAY,+,–,
METRONOME,Play/Pause( ),Stop( ),Record( ),
PART1,PART2
Wireless method:
  Bluetooth(A2DPSink)(C1Aironly)
Speakers  10cm×2
Amplication 25W×2
Power supply  DC24V ( )
Power consumption 18W
Dimensions (W × D × H)
1346×347×770mm/52.99×13.66×30.31inches
1346×347×926mm/52.99×13.66×36.46inches
 (withthekeycoveropened)
Weight 35kg/77.16lbs.(includingStand)
Included Items
ACadapter,Powercord,StandwithSpeakerBox&
Pedalunit.
•Specicationsandappearancearesubjecttochange
withoutnoticeforimprovement.
Appendix
Troubleshooting
If any of the following problems should occur, carefully
examinetheinstrumenttoseeifyoucandiscernwhatthe
troublemaybe,andtryresolvingitbyfollowingthesug-
gestions below. If the instrument still does not function
properly,pleasecontactyourdealer.
The instrument will not turn on
• CheckthattheACadapteriscorrectlyconnectedtothe
pianoandtheoutlet.
• Makesurethatthepowercordisfullypluggedintothe
ACadapter.
No sound
• Isthecablefromthespeakerboxconnectedsecurelyto
thespeakerconnectorontheC1/C1Air?
• Besurethatthevolumeissettoanadequatelevel,and
notsettotheMINvalue.
• Make sure thatthe MIDILocalfunctionis not set on
OFF (seepage14).Ifitis,setittoON(orturnthein-
strumentoandthenonagain).
• Checktoseethatnothingisconnectedtotheheadphone
jacks;anyconnectiontoeitherofthesejackswillmute
theinternalspeakers.
Notes are interrupted or sound generation is heavy
Themaximumpolyphonymayhavebeenexceeded;
see“Aboutmaximumpolyphony.”
The sound has changed.
Eects such as reverb and chorus are saved with each
sound.
Theeectseingsthatareapplieddierdependingonthe
orderthatsoundsareselectedinLayerModeorthesounds
selectedforaUserSong;therefore,dierentnuancesmay
be heard even with the same combination of sounds. Be
carefulwhenselectingsounds.
The pitch or tone of the piano sounds wrong in some key
regions
The C1/C1 Air’s piano sounds replicate the sound of an
actual piano asfaithfullyaspossible.This meansthatin
some regions of the keyboard, you may feel that certain
overtonesseemstronger,aectingthepitchortone.Thisis
not a malfunction.
Your external MIDI device does not respond to MIDI data
sent from the C1/C1 Air.
• MakesurethatallMIDIcablesarecorrectlyconnected.
• MakesurethattheC1/C1AiristransmiingMIDIdata
onthesamechannelthattheMIDIdeviceisreceiving
on.
About maximum polyphony
Ifthenumberofnotesbeingplayedsimultaneouslyexceeds
themaximumpolyphony,somenoteswillbelostsincethe
C1/C1Airisequippedwithamechanismthatstopstherst
notebeingplayedtogiveprioritytonotesplayedwithkeys
pressedlater.SomeC1/C1Airsounds,althoughtheymay
be a single sound,are generatedby twoor more oscilla-
tors(onenoteofasound-generatingcircuit).Soundsusing
justoneoscillator,suchasthebank1and2soundsofthe
VIBES/GUITAR buon, have a maximum polyphony of