4

Pitch Control function (Tuning)

Whenyou’replayi ngtogether withother instrument s,you
canuset histhePitch Controlfunct iontox anyslightdif-
ferencesi npitch betweeni nstruments. Youcan adjustthe
tuning ofthe SP-170Sinhalf-s tep(0.5)Hz intervals overa
rangeof427.5–452.5Hz(Hertz)byusingtheE5andF5keys.
•Pressa ndholddownth ePIANOPLAYand SOUNDbut-
tons(onther ightendoft hekeyboard),then presstheE5
keytolowerthepitch in0.5Hzstepseach timeyourpress
it,orpresstheF5keyrepeatedlytoraiset hepitchin0.5Hz
stepseachtimeyoupressit.
•Toresetthe pitchto440Hz,pressa ndholddownthePIA-
NOPLAYand SOUNDbuons,a ndpresst heE5and F5
keyssimultaneously.
Thedefaultseing(whenyouturnontheunit)isA4=440Hz .
MIDI

Using the MIDI OUT jack

TheMIDI OUTja cktran smitsMI DImessag es.When you
playthekeyboard,theMIDImess ageswillbeoutputtocon-
trol(e.g,playthesound of)anexterna lMIDIdevice.Usean
optionalMIDIcabletoconnec ttheMIDIOUTjackoftheSP-
170StotheMIDIINjackofanexternalMIDIdevice.

Changing the MIDI channel

Ifyou’re using theSP-170S asa controlle rtopl aysound s
fromaconnec tedMIDIdevice,t heMIDIchan nelofthe SP-
170SmustmatchtheMIDIchanneltheexterna lMIDIdevice.
Tochangethe MIDIcha nnel(1–16)thatMI DIdatais being
transmiedfrom viathe MIDIOUTjac konthe rearpanel,
pressandholddownthePIANOPLAYand SOUNDbuons
simultaneously,andpr essoneof thekeys rangingfrom C4
toD#5.
ThedefaultMIDIchannel(whenyouturnontheun it)is“1.”

Transmitting Program Change and Control

Change messages

Youcanchangetheprogra mnumberoftheconnec tedMIDI
devicefromtheSP-170S.
Whenyou selecta presetsou ndont heSP-170S(see“ Play-
ingDierent Sounds” onpage2), ittransm itsaMI DIPro-
gramC hangenu mber(PC#) assh ownin theta blebelow.
Todisablethist ransmission(DIS),press andholddownth e
PIANOPLAYandSOUNDbuonssimultaneously,andthen
presstheG#3 key.Toenablethistran smission(ENA),repeat
thepreviousprocedurebutpresstheA3keyinst ead.
TheSP-170Salsot ransmitsControl Changemessages tocon-
trolDamper(CC64),BankSelect(CC00),etc.fortheconn ected
MIDIdev ice.Todi sableth istra nsmission (DIS),p ressand
holddownthe
PIANOPLAYandSOUNDbuons
simultane-
ously,andthenpressthe A#3key.Toenablethistransmi ssion
(ENA),repeat thepr eviouspro cedurebut press theB3 key
instead.
Thede fault setti ng(wh enyou tur nont heun it)is ENA
(transmitt ed)forb othProg ramand Control Change mes-
sages.
Program Change Table
BANK#
PC# Sound
BANK#
PC# Sound
0 0 Piano 1 0 7 Clavichord
0 1 Piano 2 0 11 Vibraphone
0 4 E. Piano 1 0 19 P. Organ
0 5 E. Piano 2 0 16 E. Organ
0 6 Harpsichord 0 48 Strings
CC00:BankSelect(MSB)foreachsoundisassignedto121
Troubleshooting
Ifyouperceive anymalfunc tion,check thefollowing sugges-
tions.If theproblem persists, contactyour nearest Korgdis-
tribut or.
Power does not turn on
•Makesurethatthe ACadapteris properlyconnected tothe
SP-170SandtheACoutlet.
•MakesurethatthepowerLEDisilluminated.
No sound from the speakers
•RotatetheVOLUMEknob ontherea rpanelto theright to-
wardMAX.
•Thespeakerswillbemutediftheheadphonesareconnected.
Sound is interrupted
•Thepresetsoundsof theSP-170Shavebeenc reatedbysam-
pling (record ing) sounds ofa ctual musica lin strume nts.
Whenyou pressa key,some sounds playasi nglepiece of
sampleddata,whileothersoundsplaytwopiecesofs ampled
data.TheSP-170Susestwo piecesofdatafor mostofitspre-
setsounds.Whenoneofthes etwo-samplesoundsisselected
(regardlessof whethert hedamper pedalis beingpres sed),
thema ximum polyphony is60 notes. However, with two
Pianosound s,thema ximumpolypho nyis120 notes.If the
maximumpolyphony isexceeded,some ofthenotes willbe
lost.
The pitch or tone of the piano soun ds wrong in some key regions
•TheSP-170S’spianosoundsreplicate thesound ofanactu al
pianoasfaithf ullyaspossible. Thismeanst hatinsomer e-
gionsofthe keyboard,youmayfeel thattheovertones seem
stronger,orthatthe toneorpitchseems wrong.Thisis nota
malfunction.
Pedal is not effective
•Makesurethatthepedalcableisproperlyconnected.
Connected MIDI device doe s not respond to MIDI messag es
•MakesurethatallMIDIcablesareproperlyconnected.
•MakesurethattheSP-170Sist ransmittingMIDI dataonthe
sameMIDIchannelastheconnec tedMIDIdevice.
Specications
Keyboard NHKeyboard:88note(A0–C8)
Maximum polyphony 120notes/60notes(Stereo)
Sounds Tensounds 
Jacks Headphon esx 2(also func tiona soutp uts),
MIDIOUT,DamperSW(Pedal)
Amp output 9W×2 
Speakers Oval(10cmx5cm)x2
Power supply DC12V
Power Consumption 9W
Weight 12kg/26.46lbs(excludingmusicstand)
Dimensions (W x D x H)
1312×325×144mm/51.65"×12.8"×5.67"
(includingprojections,butexcludingmusic
stand)
Included items ACadapter( ),Musicstand,Pedal
* Specicationsandappearance aresubjecttochange without
noticeforimprovement.