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

Technical specifications > Polyphony
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Technical specifications
Sounds processed with INFINITY™.
Korg reserves the right to change the specifications without notice.
Specifications C-720
Keyboard 88 key, Graded Hammer Action (RH3)
Touch selection Eight velocity curves, plus fixed
Key cover Wooden, soft-landing sliding key cover
Tuning Transpose, Fine tuning, 10 Temperaments + Quarter Tone
Sound generation Piano eXperience stereo sampling
Polyphony 62 notes (max). The use of 2- (or more) oscillator sounds and the Layer mode reduces the maximum number of
simultaneous notes.
Modes Single, Layer, Split, Performance (30)
Sounds 40 types; (7 Acoustic Pianos, Honky-Tonk, Electric Grand, 8 Electric Pianos, 2 Harpsichords, 2 Clavs, 2 Vibra-
phones, Acoustic Guitar, 3 Jazz Organs, 3 Church Organs, 3 Strings, 3 Choirs, 4 Basses.)
Effects 8 Reverb types, 6 Chorus types
24 Insert types including Tremolo, Delay, Rotary Speaker, Equalizer, etc.
Brilliance (5 settings)
Demo 205 songs — 20 demo songs; 185 classical songs with separate R.H. and L.H. parts
Metronome Tempo, Time Signature, Accent (Standard, Bell), Volume controls, Drum patterns
Recorder 2 parts, 45,000 notes per song
Controls: Record, Play/Pause, Stop, Part 1 On/Off, Part 2 On/Off.
Functions: Cycle, Erase Track, Quantize, Transpose, Delete Song,
Rename Song.
Pedals Damper (supports half-pedaling), Soft (supports half-pedaling), Sostenuto
All freely assignable
Connections Audio output (OUTPUT L/MONO, R), Audio input (INPUT L/MONO, R), 2 × Headphones, MIDI (IN, OUT), Pedals,
USB (supports Ms Windows XP, Apple Mac OS X 10.2 or later)
Controls Power switch, Master Volume, Performance, Variation, Split, Sound selectors, Scroll, Value (Yes/No), Edit, Exit,
Reverb, Chorus, Transpose, Brilliance, Demo, Metronome, Tempo, Recorder
Display 2 line × 16 character backlit LCD
Amplification Bi-amplfied — 2 × 35 Watt (woofers), 2 × 12 Watt (tweeters)
Speakers 2 × 16cm woofers in closed boxes, 2 × dome tweeters
Power supply 120 ~ 240 V, 50/60 Hz
Consumption 65 Watt
Dimensions (W x D x H) 55.94" × 18.50" × 35.43" inch (1421 × 470 × 900 mm), including stand; with music stand folded down
Weight 182.98 lbs. (83 kg), including stand
Color and grain Realwood Wenge
Music stand With score holder
Included accessories AC power cable; Song Book, CD-ROM with KORG USB-MIDI Driver for Windows XP and Mac OS X
C720_English.fm Page 76 Tuesday, October 10, 2006 4:14 PM