Casio CTK-2550 User manual

Brand: Casio

Model: CTK-2550

Category: Musical Instruments

Type: User manual

This manual is also suitable for

CTK-2500

EN/ES

CTK2500-ES-1A

USER’S GUIDE

Safety Precautions

Before trying to use the Digital Keyboard, be sure to read the separate “Safety Precautions”.

Please keep all information for future reference.

GUÍA DEL USUARIO

Precauciones de seguridad

Antes de intentar usar el teclado digital, asegúrese de leer las “Precauciones de seguridad” separadas.

Guarde toda la información para futuras consultas.

CTK-2500

CTK-2550

About Music Score data

You can use a computer to download music score data from the CASIO Website. For more information, visit the

URL below.

http://world.casio.com/

Acerca de los datos de partituras

Puede utilizar un ordenador (computadora) para descargar los datos de partituras desde el sitio web de CASIO.

Para obtener más información, visite la siguiente URL.

http://world.casio.com/

EnglishEspañol

This recycle mark indicates that the packaging conforms to

the environmental protection legislation in Germany.

Esta marca de reciclaje indica que el empaquetado se

ajusta a la legislación de protección ambiental en Alemania.

MA1607-A Printed in China

CTK2500-ES-1A.indd 1 2016/07/26 16:32:04

Important!

Please note the following important information before using this product.

• Before using the optional AD-E95100L Adaptor to power the unit, be sure to check the AC Adaptor for any damage first.

Carefully check the power cord for breakage, cuts, exposed wire and other serious damage. Never let children use an AC

adaptor that is seriously damaged.

•Never attempt to recharge batteries.

• Do not use rechargeable batteries.

•Never mix old batteries with new ones.

• Use recommended batteries or equivalent types.

• Always make sure that positive (+) and negative (–) poles are facing correctly as indicated near the battery compartment.

• Replace batteries as soon as possible after any sign they are getting weak.

• Do not short-circuit the battery terminals.

• The product is not intended for children under 3 years.

• Use only CASIO AD-E95100L adaptor.

• The AC adaptor is not a toy.

• Be sure to disconnect the AC adaptor before cleaning the product.

NOTICE

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the

FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential

installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee

that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct

the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

FCC CAUTION

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to

operate the equipment.

Declaration of Conformity

Model Number: CTK-2500/CTK-2550

Trade Name: CASIO COMPUTER CO., LTD.

Responsible party: CASIO AMERICA, INC.

Address: 570 MT. PLEASANT AVENUE, DOVER, NEW JERSEY 07801

Telephone number: 973-361-5400

This device complies with Part 15 of the FCC Rules, Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including

interference that may cause undesired operation.

●Any reproduction of the contents of this manual, either in part or its entirety, is prohibited. Except for your own, personal

use, any other use of the contents of this manual without the consent of CASIO is prohibited under copyright laws.

●IN NO EVENT SHALL CASIO BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION,

DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, LOSS OF INFORMATION) ARISING OUT OF THE

USE OF OR INABILITY TO USE THIS MANUAL OR PRODUCT, EVEN IF CASIO HAS BEEN ADVISED OF THE

POSSIBILITY OF SUCH DAMAGES.

●The contents of this manual are subject to change without notice.

●The actual appearance of the product may be different from that shown in the illustrations in this User’s Guide.

●Company and product names used in this manual may be registered trademarks of others.

Manufacturer:

CASIO COMPUTER CO., LTD.

6-2, Hon-machi 1-chome, Shibuya-ku, Tokyo 151-8543, Japan

Responsible within the European Union:

Casio Europe GmbH

Casio-Platz 1, 22848 Norderstedt, Germany

www.casio-europe.com

Declaration of Conformity According to EU Directive

CTK2500-ES-1A.indd 2 2016/07/26 16:32:04

English

EN-1

General Guide EN-2

Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EN-4

Using the 10-key Pad (bm) . . . . . . . . . . . . . . . . . . . EN-4

Using the FUNCTION Button (br) . . . . . . . . . . . . . EN-4

Getting Ready to Play EN-7

Preparing the Music Stand . . . . . . . . . . . . . . . . . . . EN-7

Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EN-7

Playing the Digital Keyboard EN-8

Turning on Power and Playing . . . . . . . . . . . . . . . . EN-8

Playing the Demo Songs. . . . . . . . . . . . . . . . . . . . . EN-8

Using Headphones . . . . . . . . . . . . . . . . . . . . . . . . . EN-8

Using the Metronome . . . . . . . . . . . . . . . . . . . . . . . EN-8

Controlling the Keyboard Sounds EN-9

Select from a variety of musical instrument

sounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EN-9

Using VIRTUAL HALL. . . . . . . . . . . . . . . . . . . . . . EN-10

Using a Pedal . . . . . . . . . . . . . . . . . . . . . . . . . . . . EN-10

Playing in the Dance Music Mode EN-11

Dance Music Mode . . . . . . . . . . . . . . . . . . . . . . . . EN-11

Switch Keyboard Functions. . . . . . . . . . . . . . . . . . EN-11

Using the Dance Music Mode . . . . . . . . . . . . . . . . EN-12

Creating a Build Up. . . . . . . . . . . . . . . . . . . . . . . . EN-12

Dance Music Mode Settings . . . . . . . . . . . . . . . . . EN-13

Playing Built-in Songs EN-13

Playing Back a Particular Song. . . . . . . . . . . . . . . EN-13

Using Built-in Songs to Master Keyboard

Play EN-15

Lesson Lite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EN-15

Settings You Can Use During Lesson Lite . . . . . . EN-15

Using Auto Accompaniment EN-16

Playing the Rhythm Part only . . . . . . . . . . . . . . . . EN-16

Playing All Parts . . . . . . . . . . . . . . . . . . . . . . . . . . EN-16

Using Auto Accompaniment Effectively . . . . . . . . EN-18

Using One-Touch Preset. . . . . . . . . . . . . . . . . . . . EN-18

Linking with an Application (APP Function) EN-19

APP Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . EN-19

Downloading the Special App . . . . . . . . . . . . . . . . EN-19

Preparing the APP Function for Use . . . . . . . . . . . EN-19

Using the App in the Play Mode . . . . . . . . . . . . . . EN-19

Using the App in the Store Mode . . . . . . . . . . . . . EN-20

Playing Saved Data (Songs). . . . . . . . . . . . . . . . . EN-20

Deleting Saved Data (Songs) . . . . . . . . . . . . . . . . EN-20

Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . EN-21

Connecting External Devices EN-21

Connecting to Audio Equipment . . . . . . . . . . . . . . .EN-21

Reference EN-22

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . .EN-22

Returning the Digital Keyboard

to Its Factory Default Settings . . . . . . . . . . . . . . .EN-23

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .EN-24

Operating Precautions . . . . . . . . . . . . . . . . . . . . . .EN-25

Appendix A-1

Tone List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Drum Assignment List. . . . . . . . . . . . . . . . . . . . . . . . . A-4

Rhythm List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5

Song List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-6

Dance Music Mode List . . . . . . . . . . . . . . . . . . . . . . . A-6

Fingering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-7

Chord Example List . . . . . . . . . . . . . . . . . . . . . . . . . . A-8

Contents

Included Accessories

●Music Stand

●Leaflets

•Safety Precautions

•Other (Warranty, etc.)

Items included as accessories are subject to change without notice.

Separately Available Accessories

•You can get information about accessories that are

separately for this product from the CASIO

catalog available from your retailer, and from the

CASIO website at the following URL.

http://world.casio.com/

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EN-2

• Illustrations in this User’s Guide show the CTK-2500.

General Guide

bm9 bk bl

bo bp bq brbn

4 5 6 7 8

bt ck cl cm cn co bt

The following explains the

meaning of the $ symbol that

appears on the product console

and with the key names below.

$: Indicates a function that is

enabled by holding down

the button for some time.

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English

EN-3

General Guide

■Back

■Display

1P(Power) button ☞EN-8

2VOLUME button ☞EN-8

3INTRO, REPEAT button ☞EN-14, 15, 18

4NORMAL, FILL-IN, sREW button ☞EN-14, 18

5VAR., FILL-IN, dFF button ☞EN-13, 18

6SYNCHRO/ENDING, kPAUSE button ☞EN-13, 18

7START/STOP, PLAY/STOP button

☞EN-13, 14, 16, 20

8$CHORDS, ACCOMP, PART SELECT button

☞EN-14, 16

9TONE button ☞EN-9, 14

bk RHYTHM, $ONE TOUCH PRESET button

☞EN-16, 18

bl SONG BANK button ☞EN-13, 20

bm Number buttons, [–]/[+] keys ☞EN-4

bn DANCE MUSIC button ☞EN-12

bo LESSON LITE button ☞EN-15

bp VIRTUAL HALL button ☞EN-10

bq METRONOME, $BEAT button ☞EN-8

br FUNCTION, $APP button ☞EN-4, 19

bs TEMPO buttons ☞EN-9, 14

bt Speakers

ck Song Bank list

cl Rhythm list

cm Display

cn Tone list

co Dance Music Track list

cp Dance Music tone

cr cs ct

cq SUSTAIN jack ☞EN-10

cr AUDIO IN jack ☞EN-19, 21

cs DC 9.5V terminal ☞EN-7

ct PHONES/OUTPUT jack ☞EN-8, 21

12 3

bk983



Tone, rhythm, song bank indicators

Number, setting name/status display

Indicators

Volume, Tempo, measure

I N F V E (Auto Accompaniment Types)

indicators*, Acc (Auto Accompaniment)

indicator

Dance Music Mode indicator

Beat display

Chord name

Pattern phrase keyboard/chord keyboard

Part, fingering display

*I:Intro, N:Normal, F:Fill-in, V:Variation,

E:Ending

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EN-4

General Guide

Use this button to change the volume level and pitch, and to configure other settings.

Press br FUNCTION.

Next, press br FUNCTION the number of times required to select the setting you want to change.

Each press of br FUNCTION cycles through the available parameters.

•You can also scroll back through settings by holding down br FUNCTION and pressing bs TEMPOw.

Using the FUNCTION Button (br)

br key

presses Parameter Display Description

1 Transpose Trans. Changes (transposes) overall instrument tuning by semitone units.

–12 to +12 (semitone units, one octave up/down)

2 Accompaniment

Volume

AcompVol Changes the Auto Accompaniment volume.

3 Song Volume Song Vol Changes the song playback volume.

4 Dance Music

Volume

DM Vol. Changes the dance music song playback volume.

5 Dance Music

Sync Type

DM Sync Sets the timing of dance music syncing.

1: No misalignment of phrase playback between each part, regardless of pattern

phrase switch timing.

2: Start pattern phrase playback to match timing of the pattern switching

keyboard key. If there is misalignment with the playback timing of the pattern

phrase between parts, alignment will be adjusted automatically measure-by-

measure as playback proceeds.

If you do not perform any operation for a while configuring

settings, the display will return to the previous screen

automatically.

Use the number buttons and the [–] and [+] keys to change

displayed numbers and settings.

Use the number buttons to enter numbers and values.

•Enter the same number of digits as the currently displayed

value.

Example: To enter tone number 004, input 0 3 0 3 4.

•Negative values cannot be input using the number buttons.

Use [+] (increase) and [–] (decrease) instead.

You can use the [+] (increase) and [–] (decrease) keys to

change the displayed number or value.

•Holding down either key scrolls the displayed setting.

•Pressing both keys at the same time will revert to the initial

default setting or the recommended setting.

Timeout

Using the 10-key Pad (bm)

Number Buttons

[–] and [+] Keys

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English

EN-5

General Guide

6 Dance Music

Tempo Setting

DM Tempo Specifies whether or not the performance tempo changes to the value that is

preset for each pattern.

on: When the pattern is switched, the performance tempo changes to the tempo

suggested for the selected pattern. Since the tempo changes, melody can be

completely changed.

oFF: Even if the pattern is switched, the performance tempo remains at its

current setting, without changing.

Tempo does not change suddenly, which enables natural pattern connection.

7 Dance Music

Tone Setting

DM Tone Specifies whether or not the keyboard tone changes to the tone that is preset for

each pattern.

on: When the pattern is switched, the tone changes to the tone suggested for the

selected pattern. Select this setting when you want to change the performance

tone whenever the pattern changes.

oFF: Even if the pattern is switched, the tone remains at its current setting,

without changing. Select this setting when you want the same tone to play even

if the pattern changes.

8 Reverb Reverb Applies reverb to notes and specifies the reverb length.

oFF: No reverb applied.

1 to 10: A larger values applies longer reverb.

9 Voice Fingering

Guide

Speak Enables or disables Voice Fingering Guide, which uses a voice to tell you which

finger to use to play each note during Lesson Lite.

on: Voice Fingering Guide enabled.

oFF: Voice Fingering Guide disabled.

10 Note Guide NoteGuid Enables or disables Note Guide, which sounds each note you need to play

during a Lesson Lite.

on: Note Guide enabled.

oFF: Note Guide disabled.

11 Performance

Evaluation

Scoring Enables or disables Performance Evaluation, which displays scores for your

Lesson Lite results.

on: Performance Evaluation enabled.

oFF: Performance Evaluation disabled.

12 Pedal Effect Jack Selects the effect applied by the pedal.

Sustain (SUS): Sustains notes played while the pedal is depressed. Organ and

other non-decaying tone notes are sustained as long as the pedal is depressed.

Sostenuto (SoS): Pressing keyboard keys and then pressing this pedal before

releasing them sustains them as long as the pedal is depressed.

Soft (SFt): Slightly softens notes played while the pedal is depressed.

Rhythm (rHy): Starts or stops Auto Accompaniment or song playback.

13 Tuning Tune Makes slight adjustments to the overall pitch. Use this feature to adjustment

Digital Keyboard tuning to another musical instrument or to playback from a

CD. This setting is the frequency of A4 (A above middle C). See the notes under

“IMPORTANT!” below.

415.5 to 465.9 Hz (Initial Default: 440.0 Hz)

br key

presses Parameter Display Description

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EN-6

General Guide

When the parameter you want is displayed, use bm (10-key) to change its setting.

• The tone and other parameters revert to their initial defaults whenever you turn on power. The main volume, and Tuning, LCD

Contrast, and Auto Power Off settings are automatically saved and retained when power is turned off.

• You can use the [+] and [–] buttons to input a value to the right of a decimal point.

To specify 442.2 Hz, for example, first use the number buttons to input 4 3 4 3 2. Next, press the [+] button twice.

14 LCD Contrast Contrast Adjusts display contrast.

1 to 12: A larger value makes the display contrast darker.

15 Auto Power Off APO Setting that controls whether or not the Digital Keyboard turns off automatically

after a period of non-use.

oFF: Auto Power off disabled.

30: The Digital Keyboard turns off automatically after 30 minutes of non-use.

br key

presses Parameter Display Description

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English

EN-7

• Do not try to place a smart device on the Digital Keyboard’s

music stand. Doing so can cause the device to fall and

become damaged, or can scratch flooring.

Either an AC adaptor or batteries can be used to power this

Digital Keyboard. Normally, use of AC adaptor power is

recommended.

•Depending on your geographical area, an AC adaptor may

not be included. In this case, will need to purchase an AC

adaptor from your retailer.

Make sure that you use only the AC adaptor specified for this

Digital Keyboard. Use of a different type of AC adaptor can

cause malfunction.

• Be sure to turn off Digital Keyboard power before

connecting or disconnecting the AC adaptor.

• The AC adaptor will become warm to the touch after very

long use. This is normal and does not indicate malfunction.

• To prevent breaking of the wire, take care to avoid putting

any type of load on the power cord.

•Never insert metal, pencils, or any other objects into the

product’s 9.5V DC terminal. Doing so creates the risk of

accident.

• Be sure to turn off power before loading batteries.

• It is up to you to prepare six commercially available AA-size

batteries. Do not use oxyride batteries or any other nickel

based batteries.

Open the battery cover on the bottom of the Digital

Keyboard.

Load six AA-size batteries into the battery

compartment.

Make sure the positive + and negative - ends of the

batteries are facing as shown in the illustration.

Insert the tabs of the battery cover into the holes

on the side of the battery compartment, and close

the cover.

■Low Battery Indication

The indicator shown below starts to flash to let you know

when battery power is low. Replace the batteries with new

ones.

Getting Ready to Play

Preparing the Music Stand

Power Supply

Using the AC Adaptor

Specified AC Adaptor: AD-E95100L

(JEITA Standard plug)

No bending! No winding!

Music stand

AC adaptor

DC 9.5V terminalHousehold power outlet

Using Batteries

Low battery indicator (flashes)

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EN-8

Press 1P (Power).

This turns on power.

•To turn off the Digital Keyboard, hold down the 1P

(Power) button until the Digital Keyboard’s display

goes blank.

Try playing something on the keyboard. You could

use 2VOLUME to adjust the volume setting.

•This causes the volume indicator, which shows the

current volume level, to appear on the display.

•Turning off power causes tone, rhythm, and other settings

(except for main volume, the Tuning, LCD Contrast, and

Auto Power Off settings) to return to their initial defaults.

Following playback of the dance music demo (00), the built-in

songs will playback sequentially from 01 to 60. You can

switch to a different song while playback is in progress.

Press 7START/STOP, PLAY/STOP and

8CHORDS, ACCOMP, PART SELECT at the

same time.

This will start playback of the demo songs. Demo

playback continues until you stop it.

•Demo songs always start from song number 00 (dance

music demo song).

•See page A-6 for a complete list of available songs.

To change to another song while demo playback is

in progress, use bm (10-key) [–] and [+] keys to

enter the song number you want (page EN-4).

This will cause demo playback to jump to the song

whose number you entered.

•You cannot use bm (10-key) number buttons to select a

song.

To stop demo playback, press 7START/STOP,

PLAY/STOP.

Demo playback continues until you stop it by pressing

7START/STOP, PLAY/STOP.

Using headphones cuts off output from the built-in speakers,

which means you can practice playing even late at night

without disturbing others.

•Be sure to turn down the volume level before connecting

headphones.

•Headphones do not come with the Digital Keyboard.

•Use commercially available headphones. See page EN-1 for

information about options.

• Do not listen to very high volume output over headphones

for long period. Doing so creates the risk of hearing

damage.

• If the plug of the headphones you are using does not match

the ct PHONES/OUTPUT jack, use the applicable

commercially available adaptor plug.

• If you are using headphones that require an adaptor plug,

make sure you do not leave the adaptor plugged in when

removing the headphones.

Turning on the metronome causes the metronome tone to

sound for a fixed interval in accordance with the tempo.

Press bq METRONOME.

This starts the metronome.

Press bq METRONOME again to stop the

metronome.

Playing the Digital Keyboard

Turning on Power and Playing

Playing the Demo Songs

Using Headphones

Using the Metronome

Start/Stop

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English

EN-9

You can configure the metronome to use a bell sound for the

first beat of each measure of the song you are playing.

•You can specify a value from 0 to 9 as the number of beat

per measure.

•When playing a built-in song, the beats per measure setting

(which determines when the bell sounds) is configured

automatically for the currently selected song.

Hold down bq$BEAT until the beats per

measure setting screen appears on the display.

Use bm (10-key) to enter the number of beats per

measure.

•The bell will not sound if you specify 0 for this setting.

In this case, all beats are indicated by a click sound.

This setting lets you practice with a steady beat,

without worrying how many beats there are in each

measure.

Use the following procedure to change the tempo of the

metronome.

Press bs TEMPO.

Use w (slower) and q (faster) to change the tempo

setting. Holding down either button changes the setting

at high speed.

•Pressing w and q at the same time will initialize the

tempo setting in accordance with the currently

selected song, dance music song or rhythm.

•Pressing bs TEMPO causes the tempo indicator to

appear on the display, and the tempo value starts to

flash. While the tempo value is flashing, you can use

bm (10-key) to change it.

The volume level of the metronome changes along with the

settings below. For information about how to change the

metronome volume level in each mode, see “Using the

FUNCTION Button (br)” (page EN-4).

•Built-in song volume

•Dance music volume

•Auto Accompaniment volume

•The balance between the metronome volume and the above

settings cannot be changed.

Press 9TONE.

Use bm (10-key) to select the tone number you

want.

The corresponding tone number and tone name will

appear on the screen.

•For a list of tones, see the “Tone List” (page A-1).

•Selecting a drum set tone causes various percussion

instruments to be assigned to keyboard keys.

Try playing something on the keyboard.

You can play the tone of a selected instrument.

Press bk RHYTHM and 9TONE at the same time.

This selects tone 001 STEREO GRAND PIANO, and changes

other settings so they are appropriate for piano performance.

Changing the Beats per Measure

Changing the Metronome Tempo

Changing the Metronome Sound Volume

Controlling the Keyboard

Sounds

Select from a variety of musical

instrument sounds

To select an instrument for playing

Playing with a Piano Tone (Piano Setup)

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Controlling the Keyboard Sounds

EN-10

Turning on the VIRTUAL HALL function lets you play with

the acoustics of a concert hall.

Press bp VIRTUAL HALL to turn on the VIRTUAL

HALL function.

To turn off the VIRTUAL HALL function, press

bp VIRTUAL HALL again.

•The reverb setting turns off automatically whenever

the VIRTUAL HALL function is turned on. When you

turn off the VIRTUAL HALL function, the reverb

setting will return to whatever it was before you

turned on the VIRTUAL HALL function.

A pedal can be used to change notes in various ways while

playing.

•A pedal unit does not come with the Digital Keyboard.

Purchase one separately from your retailer. See page EN-1

for information about options.

Connect an optional pedal to the cq SUSTAIN jack.

Using VIRTUAL HALL

Using a Pedal

Connecting a Pedal Unit

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English

EN-11

In the Dance Music Mode, you can combine and play multiple type of pattern phrases, and apply effects to songs that are playing,

in order to enjoy dance music.

Pattern phrases of each part can be combined, making it possible to enjoy dance music like a DJ.

Entering the Dance Music Mode (page EN-12) changes the functions of the keyboard keys as shown below.

The keys of the left-half switch keyboard have the functions below.

These keys switch the pattern phrase and turn pattern phrases on or off.

There are four parts: Drum, Bass, Synth 1 and Synth 2, three different pattern phrases can be assigned to each.

While an Effect Switch key is depressed, the corresponding effect (described below) is applied to the entire song.

•The display shows the applicable function name while an effect is being applied.

•An effect is applied as long as its keyboard key is depressed, and stops being applied when the key is released.

•The application manner of MOD LPF and MOD HPF changes with the tempo.

•Effects are applied to overall pattern play, and cannot be applied to individual parts.

Playing in the Dance Music Mode

Dance Music Mode

Switch Keyboard Functions

 Pattern phrase switches

 Effect switches

Keyboard Key Function Effect, Description

FX1 MOD LPF*1Cuts the high-range frequencies of the sound.

FX2 MOD HPF*2Cuts the low-range frequencies of the sound.

FX3 FLANGER Applies an undulating surge effect to the sound.

FX4 LO-FI Reduces the resolution of the sound.

*1 Modulation Low Pass Filter

*2 Modulation High Pass Filter

Melody keyboard

(E above middle C)

Switch keyboard

Drum

PITCH DOWN

PITCH UP

CHANGE

ROLL

FILTER

GATE

ENDING

Drum

Bass

Syn1

Syn2

CFX1 FX2 FX3 FX4

 Auto build up switches

Drum part Bass part

 Pattern phrase switches

Synthesizer1 part Synthesizer2 part  Effect switches

 Track reset switch

CTK2500-ES-1A.indd 13 2016/07/26 16:32:06

Playing in the Dance Music Mode

EN-12

Pressing this key while playback is in progress returns

playback to the beginning of the currently playing phrase.

These keyboard keys can be used to apply build up effects

that are a characteristic of dance music. See “Creating a Build

Up” (page EN-12).

Press bn DANCE MUSIC.

Use the bm (10-key) [–] and [+] keys to select a

pattern.

•For a list of patterns, see the “Dance Music Mode List”

(page A-6).

•Changing the pattern normally causes the tempo and tone

to change to the settings configured for each pattern. If you

do not want these settings to change, see “Dance Music

Tempo Setting” (page EN-4) and “Dance Music Tone

Setting” (page EN-4).

Press a  Pattern phrase switch.

This starts pattern play.

Now you can press other part pattern phrase keys to

increase the parts that are sounding, change to a different

phrase, and configure other combinations.

Pressing a keyboard key that corresponds to a

pattern phrase that is sounding stops the phrase.

•You can also start and stop pattern playback by

pressing 7START/STOP in step 3.

•The on-screen pattern phrase keyboard keys shows the

notes being played.

•Pressing a keyboard key to which an effect is assigned

applies the effect.

After pressing 9TONE, use the bm (10-key) [–] and [+] keys

to select a tone for the right-half melody keyboard.

Hold down 9TONE to select the tone recommended for the

selected pattern.

•Press bn DANCE MUSIC to return to the pattern selection

screen.

You can use the tempo setting operation to change the tempo

of pattern play. See “Changing the Metronome Tempo” (page

EN-9).

The build up functions can be used to create build ups while

pattern play is in progress, to apply effects and build ups that

are characteristic of dance music.

•The auto build up function is executed from the next note

immediately after a keyboard key is pressed.

•Though effects and the build up function can be used at the

same time, the effect currently being executed may stop.

•The display shows the applicable function name while

build up functions are being used.

 Track reset switch

 Auto build up switches

Using the Dance Music Mode

Changing the Melody Keyboard Tone

Changing the Tempo

Creating a Build Up

Function

Name Description Remarks

PITCH Each press of a keyboard key

changes the overall pitch of the song.

Pressing the PITCH DOWN key

lowers the pitch in semitone units,

while PITCH UP raises the pitch in

semitone units.

CHANGE Instantly changes the pattern phrase

of the currently playing song.

ROLL Cuts out part of a song, repeats it,

and applies fine performance effects.

FILTER Applies effects that make notes

darker (by cutting high-range

frequencies) or brighter (by cutting

low-range frequencies).

GATE Applies an effect that finely chops a

song.

ENDING Ends the currently playing song

while applying various effects.

*1 Depending on the part, some pattern phrases are not

changed.

*2 How an effect is applied changes randomly with each

keyboard key press. An effect is applied for a fixed

amount of time during which the on-screen pattern phrase

keyboard flashes.

CTK2500-ES-1A.indd 14 2016/07/26 16:32:06

English

EN-13

See “Using the FUNCTION Button (br)” (page EN-4).

With this Digital Keyboard, built-in music data is referred to

as “songs”. You can play back songs for your listening

pleasure, or for play-along practice.

•In addition to simple listening enjoyment, the built-in

songs can be used with the lesson system (page EN-15) for

practice.

Use the procedure below to play back one of the built-in

songs. You can play along on the keyboard with song

playback.

Press bl SONG BANK.

Use bm (10-key) to enter the number of the song

you want.

•See page A-6 for a complete list of available songs.

Press 7START/STOP.

This starts playback of the song.

Press 7START/STOP again to stop playback.

Song playback will continue (repeat) until you press

7START/STOP to stop it. You can cancel song repeat

by pressing 3REPEAT.

Use the operations in this section to perform pause, skip

forward, and skip back operations.

■Pause

Press 6kPAUSE.

This pauses song playback.

Press 6kPAUSE again to resume playback

from the point where you paused it.

■Skip Forward

Press 5dFF.

This fast forwards playback of the current song.

Releasing 5dFF (Fast Forward) resumes playback

from that location.

Dance Music Mode Settings

Dance Music Volume (DM Vol.) Setting

Dance Music Sync Type (DM Sync) Setting

Dance Music Tempo (DM Tempo) Setting

Dance Music Tone (DM Tone) Setting

Playing Built-in Songs

Playing Back a Particular Song

Start/Stop

Pause, Skip Forward, Skip Back

CTK2500-ES-1A.indd 15 2016/07/26 16:32:06

Playing Built-in Songs

EN-14

■Skip Back

Press 4sREW.

This fast reverses playback of the current song. Releasing

4sREW (Fast Revere) resumes playback from that

location.

Press bs TEMPO.

Use w (slower) and q (faster) to change the tempo

setting. Holding down either button changes the setting

at high speed.

•Pressing w and q at the same time will return the

current song to its original default tempo.

•Pressing a bs TEMPO button causes the tempo

indicator to appear on the display, and the tempo

value to start to flash. While the value is flashing, you

can use the bm (10-key) buttons to change it.

•Changing the song number will return the selected

song to its original default tempo.

See “Using the FUNCTION Button (br)” (page EN-4).

You can use the procedure in this section to repeat particular

measures for practice playing along until you master it. You

can specify the start measure and the end measure of the

section you want to play and practice.

Press 3REPEAT to temporarily turn off song

repeat.

While song playback is in progress, press

3REPEAT at the point where you want to start

the repeat.

This specifies the measure as the start measure.

When playback reaches the measure you want to

select as the end measure, press 3REPEAT

again.

This specifies the measure as the end measure and starts

repeat playback of the measures in the specified range.

•During repeat play you can use 6kPAUSE to pause

playback, 5dFF to skip forward, or 4sREW

to skip back.

Pressing 3REPEAT again returns to normal

playback.

Changing the song number clears the start measure and

end measure of the repeat operation.

The same tone used by the song is assigned to the keyboard

so you can play along with the song on the keyboard.

Hold down 9TONE until the name of the tone

used by the selected song appears on the display.

•If your currently selected tone is the same as the song

tone, the display contents will not change.

Play along with the song playback.

•If you select a song that uses different tones for left and

right hand play, the right hand part tone is assigned to the

keyboard.

You can turn off the right hand part or the left hand part of a

song during playback and practice playing the along with the

remaining part. Use this capability when you feel that a song

is initially too difficult for you to play with both hands at the

same time.

Press 8PART SELECT to select the part you

want to turn off.

Each press of 8PART SELECT cycles through the

settings shown below.

Press 7START/STOP, PLAY/STOP.

This starts playback in accordance with the setting you

selected in step 1.

Changing Playback Speed (Tempo)

Adjusting the Song Volume

Repeating Playback of Specific Measures

Playing with the Same Tone as Song

Playback

Turning Off the Part of One Hand for Practice

(Part Select)

Right hand part off

Left hand part off

Both hand parts off

Both hand parts on

CTK2500-ES-1A.indd 16 2016/07/26 16:32:07

English

EN-15

With this type of lesson, notes appear on the display screen.

Play notes on the keyboard in accordance with the

instructions provided by Voice Fingering Guide. Don't worry

if you play the wrong note. Accompaniment play will wait

until you play the correct note so there is no need to hurry.

Select the song you want to practice (page

EN-13).

Press bo LESSON LITE.

Play notes on the keyboard in accordance with the

instructions provided on the display and by Voice

Fingering Guide.

With this type of lesson, notes appear on the display

screen. Voice Fingering Guide uses a simulate voice to

announce which finger you should use.

To stop the lesson, press bo LESSON LITE (or

7START/STOP, PLAY/STOP).

●If you complete lesson play to the end, a score that rates

your play will appear on the screen.

See “Using the FUNCTION Button (br)” (page EN-4).

You can disable song repeat when you are practicing, if you

want.

Press 3REPEAT.

This disables song repeat.

Using Built-in Songs to

Master Keyboard Play

Lesson Lite

Accompaniment will wait for you to play the correct

note.

•On-screen notation and sound will tell you which

notes to play.

•Voice Fingering Guide will announce which finger

you should use.

Bravo! You pass!

Again! Go back and try again.

Lights

Settings You Can Use During

Lesson Lite

Turning Off Voice Fingering Guide (Speak)

Turning Off Note Guide (NoteGuid)

Turning Off Performance Evaluation

(Scoring)

Disabling Song Repeat

CTK2500-ES-1A.indd 17 2016/07/26 16:32:07

EN-16

With Auto Accompaniment, simply select an accompaniment

pattern. Each time you play a chord with your left hand the

appropriate accompaniment will play automatically. It’s like

having a personal backup group along with you wherever

you go.

•Auto Accompaniments are made up of the following three

parts.

(1) Rhythm

(2) Bass

(3) Harmony

You can have only the rhythm part play, or you can have all

three parts play at the same time.

The rhythm part is the foundation of each Auto

Accompaniment. Your Digital Keyboard comes with a variety

of built-in rhythms, including 8-beat and waltz. Use the

following procedure to play the basic rhythm part.

Press bk RHYTHM.

Use bm (10-key) to select the rhythm number you

want.

•For information about rhythm types, see the “Rhythm

List” (page A-5).

Press 7START/STOP or 4sREW.

This starts the rhythm.

Play along with the rhythm.

To stop the rhythm, press 7START/STOP again.

You can use the tempo setting operation to change the tempo

of pattern play. See “Changing the Tempo” (page EN-12).

Playing a chord with your left hand automatically adds bass

and harmony accompaniment parts to the currently selected

rhythm. It is just like having your own personal back up

group on call.

Start play of the Auto Accompaniment rhythm part.

Press 8ACCOMP.

This enables chord input on the accompaniment

keyboard.

Use the accompaniment keyboard to play chords.

This will cause bass and harmony Auto Accompaniment

parts to be added to the rhythm part.

Play other chords with left hand as you play the

melody with your right hand.

Pressing 8ACCOMP again returns to rhythm

only accompaniment.

Using Auto Accompaniment

Playing the Rhythm Part only

Starting and Stopping the Rhythm Part only

Changing the Tempo

Playing All Parts

Auto Accompaniment with Chords

Accompaniment keyboard

CTK2500-ES-1A.indd 18 2016/07/28 14:47:59

English

EN-17

Using Auto Accompaniment

You can select from among the following five chord input

modes.

•FINGERED 1

•FINGERED 2

•FINGERED 3

•CASIO CHORD

•FULL RANGE CHORD

Hold down 8$CHORDS until the chord input

mode selection screen appears on the display.

Use the bm (10-key) [–] and [+] keys to select the

chord input mode you want.

■FINGERED 1, 2, and 3

With these three input modes, you play chords on the

accompaniment keyboard using their normal chord

fingerings. Some chord forms are abbreviated, and can be

fingered with one or two keys.

See page A-7 for information about chords that are supported

and how they are fingered on the keyboard.

●FINGERED 1

Play the component notes of the chord on the keyboard.

●FINGERED 2

Unlike FINGERED 1, 6th input is not possible.

●FINGERED 3

Unlike FINGERED 1, allows input of fraction chords with the

lowest keyboard note as the bass note.

■CASIO CHORD

With CASIO CHORD, you can use simplified fingerings to

play the four types of chords described below.

•When playing a minor, seventh, or minor seventh chord, it

makes no different whether the additional keys you press

are black or white.

■FULL RANGE CHORD

With this mode, you can use the full range of the keyboard to

play chords and the melody.

See page A-7 for information about chords that are supported.

Selecting a Chord Input Mode

Chord Type

Major Chords

Pressing a single accompaniment area key in the CASIO

CHORD mode will play the major chord whose name is

marked above the key. All of the accompaniment area keys

that are marked with the same chord name play exactly the

same chord.

Example: C (C Major)

Minor Chords

To play a minor chord, press the accompaniment area key

that corresponds to the major chord, while also pressing one

other accompaniment area key to the right.

Example: Cm (C Minor)

Seventh Chords

To play a seventh chord, press the accompaniment area key

that corresponds to the major chord, while also pressing two

other accompaniment area keys to the right.

Example: C7 (C Seventh)

Minor Seventh Chords

To play a minor seventh chord, press the accompaniment

area key that corresponds to the major chord, while also

pressing three other accompaniment area keys to the right.

Example: Cm7 (C Minor Seventh)

CCDE F F



CCDE F



CCDE F F



CCDE F



CCDE F F



CCDE F



CCDE F F



CCDE F



CTK2500-ES-1A.indd 19 2016/07/26 16:32:07

Using Auto Accompaniment

EN-18

Use the following procedures to play intro and ending

patterns, to play fill-in patterns, and to play variations of basic

Auto Accompaniment patterns.

See “Using the FUNCTION Button (br)” (page EN-4).

With One-Touch Preset, the Digital Keyboard automatically

configures optimal tone, tempo, and other settings in

accordance with the rhythm pattern you select.

Hold down bk$ONE TOUCH PRESET until the

current tone screen appears on the display.

This will automatically apply the One-Touch Preset

settings in accordance with the rhythm pattern that is

currently selected.

Play a chord on the keyboard.

This will start accompaniment automatically.

Using Auto Accompaniment

Effectively

Auto Accompaniment Pattern Variations

Auto Accompaniment

Types Procedure

Auto Accompaniment

Variation

Press 5. Pressing 4 returns to

normal pattern.

Auto Accompaniment

Intro

Press 3. If you press 5 while an

intro pattern is being played, the

variation pattern will start when

the intro pattern is finished.

Auto Accompaniment

Fill-in

While a normal pattern is playing,

press 4. Normal pattern play will

resume after the fill in pattern is

complete.

While a variation pattern is

playing, press 5. Variation

pattern play will resume after the

fill in pattern is complete.

Auto Accompaniment

Ending

While an Auto Accompaniment is

playing, press 6. This will play

the ending pattern and then stop

Auto Accompaniment play

automatically.

Using Synchro Start Press 6. Play a chord on the

keyboard. This will start full part

accompaniment (normal). Any of

the following operations can be

performed while in synchro

standby to start a non-normal

pattern.

To start with intro pattern, press

To start with variation pattern

play, press 5.

Adjusting the Accompaniment Volume

3 4 5 6

Using One-Touch Preset

CTK2500-ES-1A.indd 20 2016/07/26 16:32:08

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Casio CTK-2550 User manual

Brand: Casio

Model: CTK-2550

Category: Musical Instruments

Type: User manual

This manual is also suitable for

CTK-2500

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Casio CTK-2550 User manual

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Casio CTK-2550 User manual

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