Page 2 - NOTICE; FCC WARNING; near the battery compartment.
642A-E-002A GUIDELINES LAID DOWN BY FCC RULES FOR USE OF THE UNIT IN THE U.S.A. (not applicable to other areas). NOTICE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15of the FCC Rules. These limits are designed to provide reasonabl...
Page 3 - Safety Precautions; Symbols
E-1 642A-E-003A Safety Precautions Congratulations on your selection of the CASIOelectronic musical instrument.• Before using the instrument, be sure to carefully read through the instructions contained in thismanual. • Please keep all information for future reference. Symbols Various symbols are us...
Page 5 - CAUTION
E-3 Plastic Bags Never place the plastic bag the productcomes in over your head or in your mouth.Doing so creates the risk of suffocation.Particular care concerning this precautioni s r e q u i r e d w h e r e s m a l l c h i l d r e n a r epresent. Keep off of the product and stand. * Climbing onto...
Page 7 - Main Features
E-5 ❐ 255 tones A wide selection of tones includes stereo piano and synthesized sounds, drum sets, and much more. ❐ PIANO BANK button The touch of a button takes you directly to piano tones and piano lessons. ❐ Advanced 3-Step Lesson System The 3-Step Lesson System lets you practice at your own pace...
Page 8 - Contents; Connecting to a Computer or Other
E-6 642A-E-008A Contents Safety Precautions ................ E-1 Main Features ........................ E-5 Contents ................................. E-6 General Guide ........................ E-8 About the display ................................... E-11 Quick Reference .................. E-12 To ...
Page 9 - Using a Microphone for; Using a Fill-in Pattern with; MIDI Implementation Chart
E-7 Contents Using a Microphone for Sing Along ........................... E-32 Auto Accompaniment ......... E-34 Selecting a Rhythm ................................ E-34 Playing a Rhythm ................................... E-35 Adjusting the Tempo ............................... E-35 Using Auto Acc...
Page 10 - General Guide
E-8 642A-E-010A E E F G H J K L I Q O P N M * 1 * 2 S U V Y R T X W ] c ^ a b Z [ \ 1 2 3 4 5 6 7 8 9 0 B C A D General Guide LK55_e_08-21.p65 03.2.17, 15:31 8
Page 12 - Controller Indicators
E-10 General Guide * 2 Rear Panel f g h i j f MIDI OUT terminal g MIDI IN terminal h ASSIGNABLE JACK terminal i DC 9V jack j PHONES/OUTPUT terminal 642A-E-012A Controller Indicators Song/Piano Bank controller indicator Pressing the SONG BANK, PIANO BANK, or SING ALONG button, or pressing the SONG BA...
Page 13 - About the display
E-11 General Guide 4 2 1 6 7 3 5 8 9 About the display 1. The icons that appear here indicate whether the keyboard is in the Sing Along Mode, Song Bank Mode, or Piano Bank Mode. 2. Numeric Area: This area displays tone numbers, song numbers, evaluation values, and other numeric data.Text Area: This ...
Page 14 - Quick Reference; To play the keyboard; A l o h a O e
E-12 Quick Reference This section provides a quick overview of keyboard operationusing steps one and two of the 3-step lesson feature. To play the keyboard 1 Press the POWER button to turn on power. • This causes the power indicator to light. 2 Set the MODE switch to NORMAL. 3 Press the SONG BANK bu...
Page 15 - To play an Etude or Concert Piece tune
E-13 If you selected lesson Step 1 • Play the notes on the keyboard.• Accompaniment (left-hand part) plays in time with the notes. • With Step 1, the correct melody note is played no matter which keyboard key you press. If you selected lesson Step 2 • Play the correct notes on the keyboard. • Press ...
Page 16 - Important Battery Information; Power Supply; Using batteries; To load batteries
E-14 Important Battery Information ■ The following shows the approximate battery life. Alkaline batteries .................................... 2.7 hours The above value is standard battery life at normaltemperature, with the keyboard volume at mediumsetting. Temperature extremes or playing at very l...
Page 17 - Auto Power Off; To disable Auto Power Off; Using the AC Adaptor
E-15 CAUTION Misuse of the AC adaptor creates the risk of fire and electrics h o c k . A l w a y s m a k e s u r e y o u o b s e r v e t h e f o l l o w i n gprecautions.• Do not locate the electric cord near a stove or other sources of heat. • Never pull on the cord when unplugging from the electri...
Page 18 - Power On Alert; Settings and Memory Contents; Settings; Song Memory Contents
E-16 Power Supply 642A-E-018A Power On Alert Keyboard keys light to alert you if you leave power on anddo not perform any operation for about 6 minutes. Note thatkeys light only, and no sound is produced. When thishappens, press any button or keyboard key to clear the poweron alert. NOTE • Power on ...
Page 19 - Connections; Phones/Output Terminal; Assignable jack Terminal
E-17 Connections Phones/Output Terminal PREPARATION • B e f o r e c o n n e c t i n g h e a d p h o n e s o r o t h e r e x t e r n a l equipment, be sure to first turn down the volume settingsof the keyboard and the connected equipment. You canthen adjust volume to the desired level after connectio...
Page 21 - Basic Operations; Selecting a Tone; To select a tone
E-19 Basic Operations This section provides information on performing basickeyboard operations. To play the keyboard 1 Press the POWER button to turn the keyboard on. 2 Set the MODE switch to NORMAL. 3 Use the VOLUME slider to set the volume to arelatively low level. 4 Play something on the keyboard...
Page 22 - Polyphony; Digital Sampling; To turn the key light system on and off
E-20 Polyphony The term polyphony refers to the maximum number of notesyou can play at the same time. The keyboard has 24-notepolyphony, which includes the notes you play as well as therhythms and auto-accompaniment patterns that are playedby the keyboard. This means that when a rhythm or auto-accom...
Page 23 - Using the PIANO BANK Button; To use the piano bank; Practicing on the Piano
E-21 Using the PIANO BANK Button Pressing the PIANO BANK button provides instant access topiano tones and piano tune selection. Initial Piano Bank Setting Tone: 000 Stereo Piano To use the piano bank 1 Press the PIANO BANK button. • This causes the PIANO BANK button to light. 2 Now try playing somet...
Page 24 - Playing a Built-in Tune; To play back a Song Bank tune
E-22 642A-E-024A Playing a Built-in Tune Your keyboard comes with a total of built-in 100 tunes. Youcan play back built-in tunes for your own listening pleasure,or you can use them for practice and even sing-along. Built-in tunes are divided between the two groups described below. • Song Bank/Sing A...
Page 25 - To play back a Piano Bank tune; Musical Information System; Adjusting the Tempo; To set the tempo; O d e T J
E-23 Playing a Built-in Tune 642A-E-025A To play back a Piano Bank tune 1 Find the tune you want to play in the PIANO BANKList, and note its number. • See page A-11 for the Piano Bank List. 2 Press the PIANO BANK button to specify the PianoBank group. NOTE • Pressing the PIANO BANK button changes th...
Page 26 - To pause playback; To fast forward
E-24 Playing a Built-in Tune 642A-E-026A To pause playback 1 Press the PAUSE button while a tune is playing topause it. 2 Pressing the PAUSE button again resumes play fromthe point where it was paused. To fast reverse 1 While a tune is playing or paused, hold down theREW button to skip in a reverse ...
Page 27 - To change the melody tone; V o l n; To play all tunes in succession
E-25 Playing a Built-in Tune 642A-E-027A To change the melody tone 1 Press the TONE button. 2 Find the tone you want in the TONE List, and thenuse the number buttons to input its three-digitnumber. Example : To select “057 VIOLIN”, input 0, then 5, then 7. • You can select any one of the keyboard’s ...
Page 28 - Tune Types and Their Parts; Advanced 3-Step Lesson
E-26 Two-hand Tunes (Piano Bank) These types of tunes are played with both hands, as in a pianosolo. When using these tunes for a 3-step lesson, you canpractice playing along with both the left hand and right handparts. Key Lighting System Operation andDisplay Contents During 3-stepLesson Play Whene...
Page 29 - -step Lesson Tempo Setting; Evaluation Mode; Evaluation Mode Display; Evaluation Results
E-27 Advanced 3-Step Lesson 642A-E-029A NOTE • Note length is not indicated when you are using two- hand tunes with 3-step lesson Steps 1 and 2. As soonas you press a lit key, it goes out and the next key to beplayed starts to flash. • Note length is indicated by the key light system when you use a ...
Page 30 - Step 1 – Master the timing.
E-28 • If you accidentally press more than one key in s u c c e s s i o n , a c c o m p a n i m e n t i s p l a y e d f o r t h ecorresponding number of notes. • Pressing more than one key at the same time counts as a single note. Pressing a key while another key isheld down is counted as two notes....
Page 31 - Step 2 – Master the notes.; r a o
E-29 Advanced 3-Step Lesson 642A-E-031A 2 Play in accordance with the guidance on themonitor screen and as told by the voice. • To stop evaluation, press the PLAY/STOP button. This displays only the points accumulated up to that point. 3 After you finished playing, your evaluation resultappears on t...
Page 32 - Step 3 – Play at normal speed.; Using the Phrase Practice Mode; To play back the practice phrase
E-30 Advanced 3-Step Lesson 642A-E-032A Step 3 – Play at normal speed. 1 Select the tune you want to play. 2 Press the STEP 3 button to start Step 3 play. • Accompaniment (left hand part) starts to play at normal speed. 3 Follow the key light system to press the correctkeyboard keys and play the not...
Page 33 - B a t; To practice the practice phrase; To turn voice fingering guide on or off; Using the Metronome; To start the metronome
E-31 642A-E-033A Advanced 3-Step Lesson B a t e To practice the practice phrase 1 While the Phrase Practice Mode screen is on thedisplay, press the STEP 1, STEP 2, or STEP 3 button. • This starts 3-Step Lesson playback of the practice phrase in accordance with the STEP button youpressed. 2 Play alon...
Page 34 - Using a Microphone for Sing Along; Using the microphone jack
E-32 Microphone Cannon type (3-prong) Microphone ON/OFF switch MIC VOLUME knob 642A-E-034A Using a Microphone for Sing Along You can select any of the 50 Song Bank/Sing Along Grouptunes and sing along with its accompaniment. Using the microphone jack Connecting a commercially available microphone * ...
Page 35 - To use a microphone for sing along
E-33 Using a Microphone for Sing Along 642A-E-035A To use a microphone for sing along PREPARATION • Adjust the main volume (page E-19), accompaniment volume (page E-49), and microphone volume (page E-32). 1 Find the tune you want in the SONG BANK/SINGALONG List, and note its number. • See page A-10 ...
Page 36 - Auto Accompaniment; Selecting a Rhythm; To select a rhythm; b a
E-34 Auto Accompaniment Selecting a Rhythm This keyboard provides you with 120 exciting rhythms thatyou can select using the following procedure. To select a rhythm 1 Find the rhythm you want to use in the RHYTHMList and note its rhythm number. • Not all of the available rhythms are shown on the rhy...
Page 37 - Using Auto Accompaniment; To use Auto Accompaniment; R u; Playing a Rhythm; To play a rhythm
E-35 Beat number Metronome Tempo value Flash Auto Accompaniment Using Auto Accompaniment The following procedure describes how to use the keyboard’sAuto Accompaniment feature. Before starting, you shouldfirst select the rhythm you want to use and set the tempo ofthe rhythm to the value you want. To ...
Page 38 - CASIO CHORD
E-36 CASIO CHORD This method of chord play makes it possible for anyone toeasily play chords, regardless of previous musical knowledgeand experience. The following describes the CASIO CHORD“Accompaniment keyboard” and “Melody keyboard”, andtells you how to play CASIO CHORDs. CASIO CHORD Accompanimen...
Page 39 - FULL RANGE CHORD; FINGERED; Caug
E-37 NOTE • Except for the chords specified in note * 1 above, inverted fingerings (i.e. playing E-G-C or G-C-E instead of C-E-G) will produce the same chords as the standardfingering. • Except for the exception specified in note * 2 above, all of the keys that make up a chord must be pressed.Failur...
Page 40 - Using an Intro Pattern; To insert an intro
E-38 Using an Intro Pattern This keyboard lets you insert a short intro into a rhythmpattern to make startup smoother and more natural. The following procedure describes how to use the Introfeature. Before starting, you should first select the rhythmyou want to use, and set the tempo. To insert an i...
Page 41 - Using a Fill-in Pattern; Using a Rhythm Variation; To insert the variation rhythm pattern
E-39 Using a Fill-in Pattern with aVariation Rhythm You can also insert a fill-in pattern while a variation rhythmpattern is playing. To insert a fill-in into a rhythm variation 1 While a variation rhythm pattern is playing, pressthe VARIATION/FILL-IN button to insert a fill-inpattern for the variat...
Page 42 - Finishing with an Ending Pattern; To finish with an ending pattern
E-40 Auto Accompaniment Finishing with an Ending Pattern You can end your performances with an ending pattern thatbrings the rhythm pattern you are using to a natural-soundingconclusion.The following procedure describes how to insert an endingpattern. Note that the actual ending pattern played depen...
Page 43 - Tracks; Song Memory Function; SONG MEMORY Button Operation
E-41 TRACK2 TRACK1 SONG MEMORY RHYTHM 642A-E-043A You can store up to two separate songs in song memory forlater playback. The song memory function records yourkeyboard play in real time, as you play it. NOTE • To use song memory, first press the RHYTHM button to enter the Rhythm Mode. Tracks The so...
Page 44 - Real-time Recording to Track 1; N o
E-42 Song Memory Function START/STOP [+] / [–] TRACK1 TRACK2 NORMAL/FILL-IN SYNCHRO/ENDING VARIATION/FILL-IN MODE INTRO SONG MEMORY Record Each press of the TRACK 1 and TRACK 2 button while thekeyboard is in record standby (see “SONG MEMORY ButtonOperation”) toggles recording to the corresponding tr...
Page 45 - Memory Capacity
E-43 7 Press the START/STOP button to end recordingwhen you are finished playing. • If you make a mistake while recording, stop the record operation and begin over again from step 1. NOTE • Using real-time recording to record to a track that already contains recorded data replaces the existing recor...
Page 46 - Playing Back from Song Memory; To play back from song memory; P l a; Real-time Recording to Track 2; R e c
E-44 Playing Back from Song Memory Use the following procedure to play back song memorycontents. To play back from song memory 1 Use the SONG MEMORY button to enter playbackstandby, and then use [+] and [–] to select 0 or 1 asthe song number. • The above song number screen remains on the display for...
Page 48 - Using Layer; To layer tones; Keyboard Settings; B r a s s; S t r i; Using Split; o n
E-46 642A-E-048A This section describes how to use layer (to play two toneswith a single key) and split (to assign different tones to eitherend of the keyboard), and how to make touch response,transpose, and tuning settings. NOTE • Note that the layer and split functions are not available while play...
Page 49 - To split the keyboard; a s; P i z z S; Using Layer and Split Together; S r; S t r i n s
E-47 Keyboard Settings To split the keyboard 1 First select the main tone. Example: To select “062 STRINGS” as the main tone,press the TONE button and then use thenumber buttons or [+] and [–] buttons to input0, 6 and then 2. 2 Press the SPLIT button. 3 Select the split tone. Example: To select “060...
Page 50 - Transposing the Keyboard; To transpose the keyboard; Using Touch Response
E-48 7 Play something on the keyboard. • Press the LAYER button to unlayer the keyboard, and the SPLIT button to unsplit it. LAYER SPLIT RHYTHM SETTING KEY CONTROL/TRANSPOSE [+] / [–] Number buttons SPLIT LAYER Split Tone (PIZZICATO STRINGS) + Layered Split Tone (STRINGS) Main Tone (BRASS) + Layered...
Page 51 - About SETTING button; To adjust the accompaniment volume
E-49 1 P r e s s t h e S E T T I N G b u t t o n u n t i l t h e TO U C HRESPONSE SELECT screen appears. 2 Use the [+] and [–] or [0] and [1] buttons to changethe setting. Example: To select touch response 2. • Touch response is on when touch response indicator is on. • Touch response is off when to...
Page 52 - Tuning the Keyboard; To tune the keyboard; T u n e
E-50 Tuning the Keyboard Use the following procedure to fine tune the keyboard tomatch the tuning of another musical instrument. To tune the keyboard 1 Press the SETTING button three times to displaythe tuning screen. 2 Use the [+], [–], and the number buttons to adjustthe tuning value. Example: To ...
Page 53 - MIDI; MIDI Connections; MIDI Channels
E-51 MIDI What is MIDI? The letters MIDI stand for Musical Instrument DigitalInterface, which is the name of a worldwide standard fordigital signals and connectors that makes it possible toexchange musical data between musical instruments andcomputers (machines) produced by different manufacturers.M...
Page 54 - General MIDI; SETTING Button; GM M o d e
E-52 MIDI General MIDI As we have already seen, MIDI makes it possible to exchangem u s i c a l d a t a b e t w e e n d e v i c e s p r o d u c e d b y d i ff e re n tmanufacturers. This musical data does not consist of the notesthemselves, but rather information on whether a keyboardkey is pressed ...
Page 56 - C h o r d
E-54 To turn off specific sounds before playing back MIDI datathat is being received <<Navigate channel on/off>> While playing MIDI data, press the TRACK 2 button.• This cuts the sound of the navigate channel, but on-screen keyboard guide keys continue to light in accordance withthe chan...
Page 58 - S h i f t; Messages
E-56 MIDI Pedal depressed Pedal released ★ When SUS is set ★ When SoS is set = Keyboard depressed. = Sustained notes Pedal depressed Pedal released SOUND RANGE SHIFT (Default: On) on: S h i f t s l o w r a n g e t o n e s o n e o c t a v e l o w e r a n d 0 2 0GLOCKENSPIEL/095 PICCOLO one octave hig...
Page 59 - PROGRAM CHANGE; PITCH BEND
E-57 MIDI * 1 The BANK SELECT setting of PROGRAM CHANGE can be used to access any of this keyboard’s 255 tones when selecting tones onthis keyboard from an external machine. Bank 0: 128 General MIDI tones (PROGRAM CHANGE 0 to 127)Bank 1: 118 panel tones (PROGRAM CHANGE 0 to 117)Bank 120: 9 drum sets...
Page 60 - RESET ALL CONTROLLERS
E-58 ALL SOUND OFF This message forces all sound being produced over thecurrent channel to turn off, regardless of how the sound isbeing produced. ALL NOTES OFF This message turns off all note data sent from an externaldevice and currently being sounded on the channel. • A n y n o t e s b e i n g s ...
Page 61 - Troubleshooting
E-59 No keyboard sound Any of the following symptomswhile using battery power.• Dim power supply indicator• Instrument does not turn on• Dim, difficult to read display• A b n o r m a l l y l o w s p e a k e r / headphone volume • Distortion of sound output• O c c a s i o n a l i n t e r r u p t i o ...
Page 63 - Specifications
E-61 Model: LK-55 / LK-56 Keyboard: 61 standard-size keys, 5 octaves (with touch response on/off) Key Light System: Can be turned on and off (up to 10 keys can be lit at the same time) Tones: 255 (118 panel tones + 128 General MIDI tones + 9 drum sets); with layer and split Rhythm Instrument Tones: ...
Page 65 - Care of your keyboard
E-63 Avoid heat, humidity or direct sunlight. Do not overexpose the instrument to direct sunlight, or place it near an air conditioner, or in any extremely hot place. Do not use near a TV or radio. This instrument can cause video or audio interference with TV and radio reception. If this happens, mo...
Page 66 - Note Table/Tabla de notas
A-1 Appendix/Apéndice Note Table/Tabla de notas (1): Tone number/Número de sonido(2): Maximum polyphony/Polifonía máxima(3): Range type/Tipo de gama (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2) (1) (3) (2)...
Page 70 - FINGERED Chord Chart
A-5 NOTE • Chords marked with asterisk ( * ) cannot be played in the Fingered Mode on this keyboard. • See “Full Range Chords ” on page E-37 for information about playing a piece that includes one of the chords marked with an asterisk. NOT A • En este teclado, los acordes marcados con asterisco ( * ...
Page 75 - Song List/Lista de canciones; Song Bank/Sing Along List
A-10 00 HERO (“SPIDER-MAN” THEME) 01 COMPLICATED 02 HERO 03 MY HEART WILL GO ON (“TITANIC” THEME) 04 LIVIN’ LA VIDA LOCA 05 DAYDREAM BELIEVER 06 STAND BY ME 07 THE GIRL FROM IPANEMA 08 WE WISH YOU A MERRY CHRISTMAS 09 JINGLE BELLS 10 SILENT NIGHT 11 JOY TO THE WORLD 12 O CHRISTMAS TREE 13 WHEN THE S...
Page 76 - Piano Bank List
A-11 ETUDES 00 MINUET (J.S.BACH) 01 GAVOTTE (GOSSEC) 02 ARABESQUE (BURGMÜLLER) 03 CHOPSTICKS 04 FRÖHLICHER LANDMANN 05 INVENTIONEN no.1 06 AVE MARIA (GOUNOD) 07 JESUS BLEIBET MEINE FREUDE 08 CANON (PACHELBEL) 09 SONATINA op.36 no.1 1st Mov. 10 SONATA op.13 “PATHÉTIQUE” 2nd Mov. 11 SONATA K.331 1st M...
Page 82 - Sostenuto
Ch ange 64 66 67 100, 101 120 121 Program Change : True # System Exclusive System : Song Pos Common : Song Sel : Tune System : Clock Real Time : Commands Aux : Local ON/OFF : All notes OFF Messages : Active Sense : Reset Remarks O* 5 O* 5 O* 5 O* 4 X X O 0-127 ❊❊❊❊❊❊❊❊❊❊❊❊❊❊ O* 6 X X X O O X X X X H...
