Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Connecting to external audio devices . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Before you begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Open the key cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Turning the instrument on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Using the music stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Adjusting the volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Using the headphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Listening to the Demo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Basic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Playing a single sound (Single mode) . . . . . . . . . . . . . . . . . . . . . . . . . 13 Playing two sounds at the same time (Layer mode) . . . . . . . . . . . . . . 14 Playing different sounds with your l.h. and r.h. (Split mode) . . . . . . 15 Using the pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Transposing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Changing the brilliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Turning the effects on/off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Using performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Choosing performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Changing the sounds assigned to a performance . . . . . . . . . . . . . . . . 19 Editing a performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

The metronome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Starting and stopping the metronome, adjusting the tempo . . . . . . . 20 Tempo and time signature display . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Adjusting the tempo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Choosing a time signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Drum patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Adjusting the metronome level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Adjusting the drum pattern’s reverb . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Selecting the accent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Saving the metronome settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Playing back a song . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Accessing the Song Play mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 How to select a song . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 How to start playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Starting from a different measure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Muting/unmuting a recorder’s part . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Changing the song’s tempo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Play along with the song . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Cycle Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Recording a song . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Quick recording procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Step 1: Entering the Record mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Step 2: Selecting sounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Step 3: Setting the record options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Step 4: Setting the time signature and tempo . . . . . . . . . . . . . . . . . . . 30 Step 5: Recording . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Step 6: Second-pass recording . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Changing sounds to a recorded song . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Changing tempo to a recorded song . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Pedal Punch recording . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Auto Punch recording . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Saving the song . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Editing a song . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Setting Cycle Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Erasing a track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Cutting measures at the end of the song . . . . . . . . . . . . . . . . . . . . . . . 35 Quantizing the song . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Transposing the song . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Deleting the song . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Saving the song after editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Editing sounds and performances	38
Accessing the Sound edit mode	38
Exit from the Sound edit mode	38
Saving a sound	38
Saving a performance	39
Setting the volume	40
Adjusting the panning	40
Adjusting the effects	41
Setting the reverb effect	41
Setting the chorus or modulation effect	42
Setting the insert effects	42
Setting the octave transposition	43
Adjusting the fine tune	44
Programming the pedals	44
Selecting a scale	45
Resetting the current sound and performance	46

Global settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Touch settings	47
Turning the internal speakers on or off	47
Master tuning	48
Brilliance	48
Default split point	48
Assigning functions to the pedals	49
Quarter Tone (SubScale realtime programming)	50
Fast Play	50
Mute Level	50
Turning the keyboard on or off (Local Control)	51
MIDI Clock	51
MIDI IN Channels	51
MIDI OUT Channels	52
MIDI Filters	53
Data transfer via the USB port	53
Erasing songs from the User Song album	54
General Reset	55
System version number	55

MIDI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

What is MIDI? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 What is MIDI Over USB? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 What can you do with MIDI? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 MIDI connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Standard MIDI settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Using the C-720 as a multitimbral tone generator . . . . . . . . . . . . . . 57 Program Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Control Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Installing the Korg USB MIDI Driver . . . . . . . . . . . . . . . . . . . . 59

Connecting the C-720 to a personal computer . . . . . . . . . . . . . . . . . 59 KORG USB-MIDI Driver system requirements . . . . . . . . . . . . . . . . 59 Please note before use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Windows: Installing the KORG USB-MIDI Driver . . . . . . . . . . . . . 60 Mac OS X: Installing KORG USB-MIDI Driver . . . . . . . . . . . . . . . . 60

Assembling the stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Cautions for assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Assembling procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Check after assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Sounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Songs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Polyphony . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 MIDI Implementation Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 77

C-720 specifications

The Korg C-720 is a sophisticated digital piano that embodies the pinnacle of modern musical technology and artistry. Designed to meet the needs of both aspiring musicians and seasoned professionals, the C-720 combines exceptional sound quality, advanced features, and an elegant design.

At the heart of the C-720 is Korg's Enhanced Piano Sounds technology, which provides a rich and authentic sound experience. The instrument boasts a comprehensive selection of meticulously sampled grand pianos, electric pianos, and other keyboard instruments. Each sound has been crafted using advanced sampling techniques that capture the nuance and character of the original instruments. The C-720 also features Korg's Dynamic Touch technology, allowing for responsive playing that adapts to the touch of the performer, enabling subtle expression through dynamics.

One of the standout features of the C-720 is its Natural Weighted Hammer Action (NH) keyboard. This keyboard action delivers the genuine feel of an acoustic piano, with weighted keys that respond appropriately to both soft and powerful playing. Coupled with the sound engine, this results in a performance experience that closely mimics traditional pianos.

Additionally, the C-720 is equipped with a sophisticated digital effects processor. This processor includes a variety of effects such as reverb, chorus, and delay, which can enhance the overall sound and provide depth to performances. The vast array of customizable settings allows musicians to craft their unique soundscapes, whether they are performing in a live setting or recording in a studio.

Connectivity options are ample in the C-720, with MIDI in/out slots for interfacing with other instruments and computers, as well as USB connectivity. This allows for easy integration into music production environments, making it a versatile choice for modern musicians. The built-in speakers deliver a full-bodied audio experience, while headphone outputs provide for private practice.

The Korg C-720 also includes a range of onboard features such as metronome, recording and playback functions, and various built-in music styles, providing musicians with tools to enhance their practice and performance. Its elegant design, available in classic wood finishes, ensures that it will be a beautiful addition to any music room or stage setup.

Overall, the Korg C-720 is a powerful and sophisticated digital piano that caters to the demands of today's musicians, combining traditional playing feel with cutting-edge technology and features.

Korg C-720 user manual Contents

Models: C-720

C-720 specifications