ManualThe CTK-720 includes 61 Full-Size, 32-Note Polyphony, 242 Tones, 100 Rhythms, 100 songs, LCD Display, Dual Speakers, Transpose and Tuning Function, General MIDI, USB Port, Microphone Input and Volume for Sing Along.
| CTK-720 Technical Specifications |
| Keyboard | 61 Standard-size keys, 5 octaves |
| Tones | 242 (113 panel tones + 128 General MIDI Tones + 1 drum set) |
| Polyphony | 32 notes maximum (16 for certain tones) |
| Main Volume | Adjustable |
| Auto Accompaniment | Rhythm Patterns | 100 |
| Chords | 2 fingering methods (CASIO CHORD, FINGERED) |
| Rhythm Controller | START/STOP, SYNCHRO, FILL-IN |
| 3-Step Lesson | 3 lessons (Step 1, 2, 3) |
| Playback | Repeat play on a single tune |
| :Lesson Part | Left hand, right hand |
| Evaluation Mode | Scoring |
| Voice Fingering Guide | On/Off |
| Song Bank, Piano Bank |
| Number of Tunes | Song Bank: 50, Piano Bank 50 |
| Controllers | Start/Stop |
| Display |
| Name display | Tone, Rhythm, Song Bank, Piano Bank name/number, keyboard settings name/value |
| Tempo | Tempo vlaue, metronome, synchro standby |
| Chord | Chord name, Chord form |
| Fingering | Fingering indicators, parts |
| Staff | 5 octaves with sharp and flat indications, pedal symbol, octave symbol |
| Keyboard | 5 octaves |
| Other Functions |
| Tempo | Variable (216 steps, ♩= 40 to 255) |
| Transpose | 25 steps (-12 semitones to + 12 semitones) |
| Tuning | Variable (A4 = approximately 440Hz ±50 cents |
| Accompaniment/Song Bank Volume | Variable (100 steps, 0 to 99) |
| Terminals | USB Port | Type B |
| Sustain Terminal | Standard jack |
| Phones/Output Terminal | Stereo standard jack
Output Impedance: 100Ω
Output Voltage: 4V (RMS) MAX |
| Power Supply Terminal | 9V DC |
| Microphone In | Standard jack (with microphone volume slider)
Input impedance: 2kΩ
Input sensitivity: 10mV |
| Power Supply | Dual Power Supply System |
| Batteries | 6 AA-size Batteries |
| Battery Life | Approximately 4 hours Continuous Operation on Alkaline Batteries
Approximately 2 hours Continuous Operation on Manganese Batteries |
| AC Adaptor | AD-5 (Optional) |
| Auto Power Off | Turns Power Off Approximately 6 minutes after Last Key Operation. Enabled under Battery Power Only, can be disabled manually. |
| Speaker Output | 2.0W + 2.0W |
| Power Consumption | 9V - 7.7W |
| Dimensions | 37 11/16 x 14 1/16 x 5 1/4 inches (95.6 x 35.6 x 13.3 cm) |
| Weight | Approximately 8.8 lbs (4.0kg) without Batteries |
*Technical Specifications are Subject to Change
