Electronic Keyboard User Manual
Table Of Contents
- Introduction
- Main features
- Wide range of sounds
- Performances
- Four zones keyboard
- Touch control
- Pedal effects
- Piano eXperience
- One-hundred eighty-five songs
- SongBook included
- Onboard recorder
- Metronome
- Data transfer via USB
- MIDI capabilities
- MIDI over USB
- Temperaments
- Adjustable pitch
- Effects
- Powerful integrated amplification
- Two sets of headphones
- Main features
- Control panel
- Connections
- Before you begin
- Basic functions
- Using performances
- The metronome
- Playing back a song
- Recording a song
- Quick recording procedure
- Step 1: Entering the Record mode
- Step 2: Selecting sounds
- Step 3: Setting the record options
- Step 4: Setting the time signature and tempo
- Step 5: Recording
- Step 6: Second-pass recording
- Changing sounds to a recorded song
- Changing tempo to a recorded song
- Pedal Punch recording
- Auto Punch recording
- Saving the song
- Editing a song
- Editing sounds and performances
- Accessing the Sound edit mode
- Exit from the Sound edit mode
- Saving a sound
- Saving a performance
- Setting the volume
- Adjusting the panning
- Adjusting the effects
- Setting the reverb effect
- Setting the chorus or modulation effect
- Setting the insert effects
- Setting the octave transposition
- Adjusting the fine tune
- Programming the pedals
- Selecting a scale
- Resetting the current sound and performance
- Global settings
- Accessing Global edit
- Exit from the Global edit mode
- Touch settings
- Turning the internal speakers on or off
- Master tuning
- Brilliance
- Default split point
- Assigning functions to the pedals
- Quarter Tone (SubScale realtime programming)
- Fast Play
- Mute Level
- Turning the keyboard on or off (Local Control)
- MIDI Clock
- MIDI IN Channels
- MIDI OUT Channels
- MIDI Filters
- Data transfer via the USB port
- Erasing songs from the User Song album
- General Reset
- System version number
- MIDI
- Installing the Korg USB MIDI Driver
- Assembling the stand
- Appendix
- Sounds
- Performances
- Effects
- Songs
- Error messages
- Write Protect
- Out of Memoy
- Maximum song length reached
- Loading Song Error
- USB Working Wait please
- Memory Full
- Invalid Name
- Song Exists Execute
- Record Mode Not Allowed
- Song Modified Save?
- Sound Modified Save?
- Perf. Modified Save?
- Globals Modified Save?
- Save Global Failure
- Save Preset Failure
- Save Midi Failure
- General Reset Wait Please
- General Reset / nn%
- Troubleshooting
- Polyphony
- Technical specifications
- MIDI Implementation Chart

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.
3. If you want, use the SCROLL
buttons to move the cur-
sor back to the Main sound.
Balancing sounds in Split mode
You can adjust the sound’s volume balance.
• Keep the Main sound button (the one whose indicator is
turned on) pressed, to increase its volume and (after the
maximum value has been reached) decrease the volume of
the Left sound. Release the button when done.
• Keep the SPLIT button pressed, or press the SCROLL
button to move the cursor to the second line of the dis-
play. The indicator of the Left sound lights up. Then, keep
the Left sound button pressed, to increase its volume and
(after the maximum value has been reached) decrease the
volume of the Main sound. Release the button when done.
While the volume is changing, a meter is shown in the display:
Using the pedals
The C-720 has three assignable pedals, usually acting as damp-
er, sostenuto, and soft. However, you can assign the pedals dif-
ferent functions (see page 44 for sound-level assignment, or
page 49 for global programming).
With the default settings, you can use these pedals to add ex-
pression to your playing, as on a traditional piano.
(1) Damper pedal
The damper pedal simulates the natural string resonances of
an acoustic piano. Pressing this pedal will sustain the sound,
producing a richly resonant decay. You can control the damp-
er’s depth by how far down you press on the pedal (“half-ped-
aling”).
Sounds like GrandPiano, BriteGrand and MelloGrand also
trigger EPx effects while in Single and Split mode. However,
these effects are not available when you are in Layer mode.
(2) Sostenuto pedal
Pressing this pedal will apply the damper effect only to the
notes that are already being held down on the keyboard, and
will sustain only those notes. The damper effect will not be ap-
plied to any additional notes that you play while holding down
the Sostenuto pedal (apart for the notes already held).
(3) Soft pedal
Pressing this pedal will make the tone softer. You can control
the soft effect depth by how far down you press on the pedal
(“half-pedaling”)
Transposing
In some cases, a song may be written in a difficult key (e.g.,
many black keys), or you may wish to shift the pitch to match
another instrument or vocalist. In such cases, you can trans-
pose (shift the pitch) so that you can use an easier fingering, or
use the same familiar fingering to play at a different pitch. This
is called the Transpose function.
For example if you transpose upward by one semitone, playing
the notes shown at the lower left will produce the pitches
shown at the right.
GrandPiano 4/4
Ac.Bass 120
GrandPiano 4/4
Ac.Bass 12
Scroll
M:108
L:127
Main sound’s volume
Left sound’s volume
1
2
3
Soft
Sostenuto
Damper
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