Instruction/ maintenance manual of the product C-720 Korg
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User’ s Manual DIGIT AL PIANO Address K ORG IT AL Y Spa Via Cagiata, 85 I-6002 7 Osimo (An) Italy W eb servers www .k org.co.jp www .k org.com www .k org.co.uk www .k orgcanada.com www .k orgfr .net www .k org.de www .k org.it www .letusa.es www .k orgpa.
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IMPORTANT SAFETY INSTRUCTIONS • Read these instructions. • Keep these instructions. • Heed all warnings. • Follow all instructions. • Do not use this apparatus near water . • Mains powered apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on the apparatus.
EXAMPLE SCREENS Some pages of the manuals show LCD scr eens along w ith an explanation of functions and operations. All sound names, parameter names, and values are merely examples and ma y not always match the actual displa y you are work- ing on. CLEANING THE DISPLAY U se a soft cotton cloth to clean the scr een.
> 3 Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Control panel . . . . . . . . . .
Introduction > Main features 4 Intr oduction Main featur es Wide range of sounds Forty different and expressive high-quality sounds, including a Stereo Concert Grand Piano. You can use the Layer and Split functions to simultaneously play a combination of two sounds.
Introduction > Main features 5 T emperaments In addition to the Equal temperament, the C-720 allows you to select nine alternative temperaments, for historically accurate performance of classical music, or experimenting. When se- lecting an acoustic piano sound, the typical Stretched Tuning is automatically selected.
Control panel > 6 Contr ol panel MASTER VOLUME knob: Adjusts the vol- ume for the speakers, the Output and the Phones connectors PERFORMANCE button: Enters/exits Performance mode. While in this mode, the sound selection buttons are used to choose perfor- mances instead of single sounds.
Control panel > 7 +/YES / -/NO (V alue) but- tons: Change the value of the parameters appearing in the display . The editable parameter is shown by the cursor ( ) placed on its left, or (when editing text) with the character/cipher in edit flashing.
Connections > 8 Headphone Hook Connections MIDI (OUT , IN) connectors: Connectors that are used to connect other MIDI devices (sequencer , keyboards, etc.). OUT : Data output (to be connected to the MIDI IN connector of another MIDI device). IN: Data input (to be connected to the MIDI OUT connector of another MIDI device).
Connections > Connecting to external audio devices 9 Connecting to exter nal audio devices Connecting to an external amplification system Use the OUTPUT connectors, if you like to connect your C- 720 to a high-quality mixer, stereo hi-fi, or a couple of active monitors.
Before you begin > Open the key cover 10 Befor e you begin Open the key cover Gently lift the center of the sliding key cover by the indented portion, and support it while you slide it carefully and fully into the C-720.
Before you begin > Adjusting the volume 11 Adjusting the volume Rotate the MASTER VOLUME knob towards the right to in- crease the volume; towards the left to decrease the volume. The maximum value is “10”; the minimum (silence) is “0”. This control adjusts the output level of the headphones, the internal speakers and of the OUTPUTs.
Before you begin > Listening to the Demo 12 3. After the end of the selected song, all the songs will be played back in cycle. 4. If you want to select a different song, press one of the sound selection buttons. 5. To pause the current song, press the PLAY/PAUSE button.
Basic functions > Playing a single sound (Single mode) 13 Basic functions Playing a single sound (Single mode) When you turn the instrument on, it is in Single mode.
Basic functions > Playing two sounds at the same time (Layer mode) 14 Playing two sounds at the same time (Layer mode) You can play two sounds at the same time on the keyboard. It is like having two “overlapping” sounds. This is called the Lay- er mode.
Basic functions > Playing different sounds with your left and right hand (Split mode) 15 Playing dif ferent sounds with your left and right hand (Split mode) You can play a sound with your right hand (the Main sound), and a different one with the left hand (the Left sound).
Basic functions > Using the pedals 16 As an alternative, use the display controls: 1. Use the SCROLL buttons to move the cursor to the Left sound. 2. Use the VARIATION button to select a different sound variation. As an alternative, use the +/YES and -/NO but- tons to choose a different sound variation.
Basic functions > Changing the brilliance 17 Note: When the instrument is turned on, transposing is reset. 1. Press the TRANSPOSE button to show the Transpose dis- play: If you do no changes, just wait some seconds for the page to automatically disap pear .
Using performances > Choosing performances 18 Using performances Performances are registrations of sound combinations. In- stead of selecting single sounds, or a combination of sounds, you simply select a performance.
Using performances > Changing the sounds assigned to a performance 19 Changing the sounds assigned to a performance You can change the sound or sounds assigned to the current performance, without the need of accessing the Edit mode. Note: You cannot change performance sounds while in Perfor- mance Edit mode.
The metronome > Starting and stopping the metronome, adjusting the tempo 20 The metr onome The C-720 incorporates a metronome, with which you can beat the tempo during practice or song recording. The metronome can beat ordinary times, or drum patterns.
The metronome > Choosing a time signature 21 Choosing a time signatur e When turning the metronome on from the Main page, the de- fault time signature of 4/4 is chosen, but you can adjust it by accessing the Metronome page (as shown below). Note: If the PLAY/PAUSE button is flashing, you cannot change the time signature.
The metronome > Adjusting the metronome level 22 Adjusting the metr onome level You can adjust the metronome’s level, in relation to the overall instrument’s volume. 1. Press the TEMPO/MET.SET buttons together. The first Metronome page should appear.
Playing back a song > Accessing the Song Play mode 23 Playing back a song The C-720 incorporates a multitrack recorder, with which you can record and play back songs. Since you can turn off a single part (say, the left hand), and leave another part playing (say, the right hand), this can be very useful for practicing.
Playing back a song > How to start playback 24 5. After having selected an album, use the SCROLL but- ton to move the cursor to the song name again, then choose a different song: 6.
Playing back a song > Muting/unmuting a recorder’s part 25 Muting/unmuting a r ecorder’ s part During playback, you can mute or unmute a recorder’s part. Muting is useful to play a part on the keyboard, while letting the recorder to continue playing the other.
Playing back a song > Cycle Play 26 Cycle Play When practicing, you can choose a passage to be repeated again and again. This way, you can try it until it is perfect. This is called the Cycle Play function. Note: When the Cycle Play is activated, the Fast Play function no longer works (see page 50).
Recording a song > Quick recording procedure 27 Recor ding a song You can use the onboard recorder to create a song composed of up to three parts (left hand, right hand, drum).
Recording a song > Step 2: Selecting sounds 28 To record over an existing song, select the song and press the RECORD button. Please remember that you can only access Record mode on User songs. Songs contained in albums other than UserSong cannot be modified.
Recording a song > Step 3: Setting the record options 29 Example 4: Recording each hand of a piano piece in two separate parts In this case, enter recording in Single mode, and press the PART 1 button to turn its indicator off. Only the PART 2 in- dicator will continue flashing.
Recording a song > Step 4: Setting the time signature and tempo 30 Step 4: Setting the time signatur e and tempo Before starting to record, tempo and time signature are those you last selected with the TEMPO and MET.SET buttons. You can however choose a different tempo and time signature.
Recording a song > Step 6: Second-pass recording 31 3. Press STOP to stop recording. As an alternative, press the RECORD button, or the pedal assigned as the Stop func- tion. The indicator on the RECORD button turns off. The song returns to the beginning.
Recording a song > Changing tempo to a recorded song 32 Changing tempo to a r ecorded song If you are not happy with the tempo used for recording (may you recorded with a slower tempo), it is easy to adjust it after recording. Note: After having started recording a song, you can no longer change its time signature.
Recording a song > Saving the song 33 Saving the song After recording, the song is stored into a temporary, non-per- manent memory. To preserve it from deletion when turning the instrument off or choosing a different song, you must save it into the User Song album.
Editing a song > Setting Cycle Play 34 Editing a song After having been recorded, a user-created song can be edited, and then saved again in the User Song album. Please note that songs con- tained in albums other than UserSong cannot be edited. The only Edit function that can be accessed with these songs is the Cycle Play.
Editing a song > Cutting measures at the end of the song 35 Cutting measur es at the end of the song You can cut measures at the end of the song. For example, you could have recorded a long section, and then you erased it. Af- ter recording a shorter section, you ended up with a series of empty measures at the end of the song.
Editing a song > Transposing the song 36 T ransposing the song You can transpose the entire song, to make it match a different key. 1. After having pressed the EDIT button while in Song Play mode, use the SCROLL button to go to the Transpose edit page: 2.
Editing a song > Saving the song after editing 37 W hen you reach the end of the name, a flashing ast er isk (*) appears: At this point, you can either use the +/YES and -/NO b ut- tons to c hoose a new character , or press SCROLL to mov es the cursor to the Save c ommand: 3.
Editing sounds and performances > Accessing the Sound edit mode 38 Editing sounds and performances The Sound edit mode is where you can edit sounds or perfor- mances. Edit parameters are exactly the same in both cases, but performances also memorize the split point (if the sounds are in Split mode).
Editing sounds and performances > Saving a performance 39 Saving a performance There are three ways to save a performance. Please find them below. After editing a sound 1.
Editing sounds and performances > Setting the volume 40 After editing a performance 1. If you entered Sound edit mode with the PERFORMANCE indicator turned on (Performance mode), after modifying something and pressing EXIT, the Perf Modified page will appear: 2.
Editing sounds and performances > Adjusting the effects 41 Adjusting the ef fects The C-720 is equipped with three types of effects: The following diagram shows the effect’s routing: Use the following parameters to select the reverb, chorus and insert effects, and adjust how much of the sound must be pro- cessed.
Editing sounds and performances > Setting the chorus or modulation effect 42 Setting the chorus or modulation ef fect The chorus or modulation effect adds depth to the sound. Ei- ther you are in Single, Layer or Split mode, a single chorus ef- fect is available for both sounds (see diagram above).
Editing sounds and performances > Setting the octave transposition 43 Pr ess the SCROLL button to go to the IFX W et/D r y edit page, w ith the M (Main) paramet er selected: U se the +/YES and -/NO buttons to set the amount o f IFX applied to the M ain sound.
Editing sounds and performances > Adjusting the fine tune 44 Adjusting the fine tune You can fine tune the Main and the Layer sounds (in Layer mode), so that there is some “beating” between them.
Editing sounds and performances > Selecting a scale 45 Her e are the effects that can be assigned to the pedals in Sound edit mode: 3. Press the EXIT button to return to the Main page and save the changes (see “Exit from the Sound edit mode” on page 38), or the SCROLL button to go to the next edit page (see below).
Editing sounds and performances > Resetting the current sound and performance 46 Resetting the curr ent sound and performance Any custom programming of the current sound, sound com- bination or performance, can be reset to the original values.
Global settings > Touch settings 47 Global settings Global edit is where you can edit some general parameters, not tied to the single sounds or songs. Accessing Global edit Keep the EDIT button pressed for more than one second, to access the Global edit mode.
Global settings > Master tuning 48 Master tuning In order to adapt the C-720 pitch to that of another instru- ment, you can adjust the pitch. Standard tuning is A4 = 440 Hz. Note: If you enter editing later, you might see a different edit page instead of the first one.
Global settings > Assigning functions to the pedals 49 Assigning functions to the pedals By default, the three pedals act as (from right to left) damper, sostenuto and soft. You can freely reassign them according to your need or preference. You can either assign them to the sounds (see page 44), or globally by these pages.
Global settings > Quarter Tone (SubScale realtime programming) 50 Quarter T one (SubScale r ealtime pr ogramming) The Quarter Tone function allows you to program a custom scale in realtime, for example those sudden scale change typi- cal of Arabic music.
Global settings > Turning the keyboard on or off (Local Control) 51 T ur ning the keyboard on or of f (Local Control) Local is the parameter that allows you to establish whether the keyboard has to.
Global settings > MIDI OUT Channels 52 4. Use the +/YES and -/NO buttons to choose a different track. Here is a list of the available tracks for each of the MIDI IN channels: 5. Press the SCROLL button to move the cursor to the channel again.
Global settings > MIDI Filters 53 MIDI Filters When you choose a sound, operate the damper pedal, adjust the level balance in Layer mode, or make other adjustments on the control panel, a MIDI message is sent to a connected exter- nal MIDI (and/or USB) device.
Global settings > Erasing songs from the User Song album 54 At this point, the C-720 should appear on y our com- puter’ s deskto p or disk w indow as an ext ernal USB dr ive, with the name K ORG SSD (i.e., K ORG S olid S tate D isk, the technical name of the internal permanent memory).
Global settings > General Reset 55 General Reset You can reset all memory data to the original factory settings. This includes sounds, sound combinations, performances, global data.
MIDI > What is MIDI? 56 MIDI What is MIDI? MIDI, is the abbreviation of M usical I nstrument D igital I nterface . It is an international standard that was created to connect and transfer data between electronic musical instruments, computers and other devices.
MIDI > Standard MIDI settings 57 Standar d MIDI settings When turning the instrument on, the default MIDI factory settings of the C-720 are programmed as follows: Using the C-720 as a multitimbral tone generator When C-720 is controlled from an external MIDI device, it can work as a 16-part multitimbral tone generator.
MIDI > Control Change 58 Contr ol Change When you operate the damper pedal, adjust the balance in Layer mode, or make other adjustments on the control panel, a Control Change message is sent to a connected external MIDI device.
Installing the Korg USB MIDI Driver > Connecting the C-720 to a personal computer 59 Installing the Korg USB MIDI Driver The USB port can be used to transfer MIDI data between the C-720 and a personal computer (this is called the MIDI Over USB function).
Installing the Korg USB MIDI Driver > Windows: Installing the KORG USB-MIDI Driver 60 Windows: Installing the KORG USB-MIDI Driver Please connect the C-720 to the computer via an USB cable only after having installed the KORG USB-MIDI Driver Tools.
Assembling the stand > Cautions for assembly 61 Assembling the stand Cautions for assembly • W hen placing the piano on the stand, be car eful not to pinch y our hands. • Be sure that the c or rect parts are assembled in the c or rect orientation and position, and follo w the steps in order .
Assembling the stand > Assembling procedure 62 Assembling pr ocedure 1. Open the packing carton and take out the contents. Check that all of the following items are available. NB: Y ou w ill need a cross-point (Phillips #2) scr ewdriver for assembly .
Assembling the stand > Assembling procedure 63 3. Lay the left side panel (C) on one of the protective card- board sheets (e), and fasten to it the pedal beam and front bar assembly. W arning: Be careful not to scratch the w ooden sur face of the side panels.
Assembling the stand > Assembling procedure 64 8. In two people, lay the speaker box (E) over the front bar (B), making it fill the space between the left and right side panels. Turn it up, until it touches the metal fittings on the side panels. W arning: Be careful not to let the speak er box fall do w n, or you will damage it.
Assembling the stand > Assembling procedure 65 13. Apply the hoods (e) to the rounded sides of the side pan- els. 14. Attach the instrument. Warning: The side panels are easily scratched; please use caution. Lift the instrument w ith both hands, being careful to keep them not closer than 70mm fr om both ends of the piano to av oid pinching.
Assembling the stand > Assembling procedure 66 16. Fasten the C-720 to the stand, by inserting two screws (c) into the metal fittings of the right side panel. 17. Insert the remaining two screws (c) into the metal fittings of the left side panel. 18.
Assembling the stand > Check after assembly 67 20. Loosen the pedal adjuster, and adjust it so that it is in firm contact with the floor. Note: Unless the adjuster is in firm contact with the floor, the pedal will wobble, possibly causing malfunctions.
Appendix > Sounds 68 Appendix Sounds Va r. Name CC 0 CC32 PC* Osc. Description PIANO 1 1 GrandPiano** 121 0 0 4 Samples recorded from a gorgeous-sounding concert grand piano. It also includes four dynamic levels, sustain samples, and key-of f samples, plus other EPx effects.
Appendix > Sounds 69 ORGAN 1 1 Jazz Organ 121 0 16 4 An aggressive tonewheel electric organ, often heard in jazz and rock music. The rotary effect is sampled right at the source. The leftmost pedal is used to switch between fast (pedal up) and slow (pedal down) rotary speaker , with several degrees in the middle (half pedal).
Appendix > Performances 70 Performances # Btn Name Sounds / Timbres Mode Remarks Bank 1 1 1 Split&Layr Piano&Str ., Ac. Bass Split 2 2 Grand&Ride GrandPiano, Bass&Ride Split 3 3 Grand&Ebas GrandPiano, El. Bass Split 4 4 PnoStrings GrandPiano, String Pad Layer 5 5 EGrand Pad Elec.
Appendix > Effects 71 Ef fects Reverb Description / Beschreibung Chorus Description Hall 1 Reverb (Smooth Hall) Chorus Chorus Hall 2 Reverb (Smooth Hall) Harm.
Appendix > Songs 72 Songs Album: SongBook # Title Composer # Title Composer 1 Prelude 1 (The W ell-T empered Clavier , Book 1) J.S.Bach 17 La fille aux cheveux de lin C.Debussy 2 Invention No.1 J.S.Bach 18 Arabesque No.1 C.Debussy 3 Jesu, Joy of Man’ s Desiring J.
Album: Burgmüller – F .J.F . Burgmüller: 25 Easy and Progressive Studies, Op.100 / 25 Studi Facili e Pr ogressivi, Op.100 # Title Composer # Title Composer 1 La candeur F .
Appendix > Error messages 74 Err or messages Write Pr otect While saving a song, you are trying to write over a write-pro- tected file. The song has been previously copied from a PC, and it had the write-protect attribute turned on while on the computer’s disk.
Appendix > Troubleshooting 75 T roubleshooting If during use any of the following problems should occur, carefully examine the instrument to see if you can find out what the problem is, and try resolving it by following the sug- gestions below.
Technical specifications > Polyphony 76 T echnical specifications Sounds processed with INFINITY™. Korg reserves the right to change the specifications without notice.
MIDI Implementation Chart > Polyphony 77 MIDI Implementation Chart Function T ransmitted Recognized Remarks Basic Channel Default 1–16 1–16 Memorized Changed 1–16 1–16 Mode Default 3 Messag.
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User’ s Manual DIGIT AL PIANO Address K ORG IT AL Y Spa Via Cagiata, 85 I-6002 7 Osimo (An) Italy W eb servers www .k org.co.jp www .k org.com www .k org.co.uk www .k orgcanada.com www .k orgfr .net www .k org.de www .k org.it www .letusa.es www .k orgpa.
An important point after buying a device Korg C-720 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Korg C-720 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Korg C-720 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Korg C-720 you will learn all the available features of the product, as well as information on its operation. The information that you get Korg C-720 will certainly help you make a decision on the purchase.
If you already are a holder of Korg C-720, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Korg C-720.
However, one of the most important roles played by the user manual is to help in solving problems with Korg C-720. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Korg C-720 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
