Casio LK-40 manual Specifications, Polyphony

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■ Specifications

Model:

LK-40/LK-42

 

Keyboard:

61 standard-size keys; 5 octaves

Key Light System:

Can be turned on and off (up to 4 keys can be lit at the

 

same time)

 

Tones:

100 presets

 

Polyphony:

12 notes maximum

 

Three Step Lesson System: Number of simultaneosly lit keys; 4

 

Three steps

 

 

Playback: 1 tune repeat playback

Auto-accompaniment:

Rhythm patterns

100 presets

 

Tempo

Adjustable, (216 steps, = 40 to 255),

 

 

 

 

initial value: 120

 

 

Chords

Two systems: CASIO CHORD, FINGERED

 

Other

Fill-in pattern, Synchro start

Song Bank tunes:

100 tunes

 

 

Other Functions:

Transpose (F# to C to F: half-note)

 

Tuning

Adjustable A4 = Approx. 440 Hz, ±50 cents,

 

Initial value: A4 = Approx. 440 Hz

MIDI:

5 multi-timbre receive

 

Speakers:

10 cm diameter x 2 (Output: 2W+2W)

Digital Volume Control:

Main volume; 10 steps (0 to 9), initial value: 7

I/O Terminals:

MIDI Terminals

IN, OUT

 

Power Supply

DC 9V jack

 

Headphones/Output

Stereo standard jack

 

 

 

 

 

(Output is monaural.)

 

[output impedance: 78Ω, output voltage: 4V (RMS) MAX],

Power Supply:

2-way AC/DC power sources;

 

 

 

 

Batteries

6 AA-size

 

 

 

 

Battery life

approximately 1 hour

 

 

 

 

 

on R6P (SUM3)

 

 

 

 

 

manganese batteries/

 

 

 

 

 

4 hours on LR6 (AM3)

 

 

 

 

 

alkaline batteries

 

 

 

 

AC adaptor

AD-5

Auto Power Off:

Approximately 6 minutes after the last operation

 

(Operates during battery use only)

Power Consumption:

9 V

 

7.7 W

 

 

 

Dimensions:

94.4 x 36.3 x 11.8 cm (37 3/16" x 14 5/16" x 4 5/8")

Weight:

Approximately 4.5 kg (9.9 lbs) (without batteries)

* Designs and specifications are subject to change without notice.

478B-E-045A

E-43

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Contents USER’S Guide Guía DEL Usuario FCC Warning Welcome Main FeaturesSymbols Safety PrecautionsDo not disassemble or modify the instrument AC Adaptor Do not place heavy objects on the instrument Care of Your KeyboardContents Three Step Lesson System Midi Implementation ChartTechnical Reference AppendixRear Panel Control LocationsChord Root Names Button Quick ReferencePress the button or button Phones/Output Jack ConnectionsAccessories and Options Using batteries Power SupplyImportant Battery Information To load batteriesSpecified AC Adaptor AD-5 Using the AC AdaptorAuto Power Off Power On AlertTo disable Auto Power Off and power on alert To switch power on and off Basic OperationsTo change tones Example Keyboard split tonesDigital Sampling Other Useful FunctionsPolyphony To change the key of the keyboardTo tune the keyboard Keys and their indicatorsPlaying the demo tunes To start demo tune playTo stop demo tune play To select and play a rhythm Playing rhythmsAbout the accompaniment keyboard Using auto-accompanimentUsing the Casio Chord system To play a Casio Chord auto-accompanimentKeys Chord Type Example Using standard fingerings To play a Fingered auto-accompaniment Improvising with the preset patterns Using fill-in rhythmUsing Synchro start Three Step Lesson System Using Three Step Lesson SystemEasy Play Slow PlayTo play a built-in Song Bank tune Three Step Lesson System Tempo SettingUsing the Three Step Lesson System with Song Bank Tunes Auto-accompaniment Song Bank TuneTwo-hand Song Bank Tune How the Three Step Lesson System operates in Steps 1 through Turning Off Key Lighting Number of Simultaneously Lit KeysTo change the tone used for the melody of a Song Bank tune Slow Play Easy PlayNormal Play To practice the left hand part Midi Connections What is MIDI?General Midi Midi ChannelsMessages Effect Control Number Program ChangeLocal Control On Local Control Off Local Control Default on /GM mapping Default offTo turn on Local Control To turn off Local ControlTechnical Reference Troubleshooting478B-E-044A Polyphony SpecificationsGM Tone Map List Lista de asignaciones de sonido GM Appendix/ApéndiceTone No./Tone Name GM No Nº de sonido/Nombre de sonido Nº GM Various Rhythm List Lista de ritmosChordCharts Deacordesdigitados Fingered Cuadros ChordswithsamecomponentnotesasB 478B-E-096A 478B-E-097A 478B-E-098A 478B-E-099A 478B-E-100A 478B-E-101A Midi Implementation Chart 40-LK 42-LK XX XX XX XX XX Hon-machi 1-chome

LK-40 specifications

The Casio LK-40 is a versatile and user-friendly portable keyboard designed for beginners and aspiring musicians. Its blend of features makes it an excellent choice for those looking to learn while having fun. The keyboard includes 44 full-size touch-sensitive keys that respond to the dynamics of playing, allowing for expressive performances and improved playing technique.

One of the standout features of the LK-40 is its "Lighted Key" function. This innovative technology lights up the keys to guide users during practice, making it easier to learn new songs and improve finger placement. The keys illuminate in a sequence to indicate which ones to press, creating an interactive learning experience that makes practice sessions more engaging.

The LK-40 includes 100 built-in tones and 50 rhythm patterns, providing a wide range of sounds for musical exploration. From pianos to strings, and from brass to percussion, the variety of tones enables users to experiment with different musical styles, making it suitable for genres ranging from classical to pop. The rhythm patterns can be combined with various tones, giving users the ability to create complex arrangements with ease.

To further enhance creativity, the keyboard features a built-in song bank with 10 demo songs. These tracks not only serve as entertaining pieces to listen to but also act as practice material for learners. Users can play along, helping to develop timing and coordination skills.

The LK-40 also supports a MIDI output, allowing it to connect to other MIDI-compatible devices, such as computers and synthesizers. This capability opens up new avenues for music production and performance, enabling users to record their songs or use software instruments.

Additionally, the Casio LK-40 is equipped with a headphone output, ensuring users can practice quietly without disturbing others. The built-in speakers deliver quality sound output, making it suitable for both practice and casual performances.

In summary, the Casio LK-40 is an excellent keyboard for beginners, boasting lighted keys, diverse tones, built-in rhythms, and user-friendly features. Its compact design and MIDI capabilities further enhance its versatility, making it a perfect companion for learning, practice, and creative expression in music.
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