Casio CTK-625L User manual

Brand: Casio

Model: CTK-625L

Category: Musical Instruments

Type: User manual

This manual is also suitable for

CTK481

CTK481-ES-1

USER’S GUIDE

GUÍA DEL USUARIO

02.8.26, 17:29Page 1

625A-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 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 WARNING

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

authority to operate the equipment.

Important!

Please note the following important information before using this product.

• Before using the optional AD-5 Adaptor to power the unit, be sure to check the AC Adap-

tor 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 dam-

aged.

• 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-5 adaptor.

• The AC adaptor is not a toy.

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

CASIO ELECTRONICS CO., LTD.

Unit 6, 1000

North Circular Road

London NW2 7JD, U.K.

This mark is valid in the EU countries only.

Please keep all information for future reference.

02.8.26, 17:29Page 2

E-1

Safety Precautions

Congratulations on your selection of the

CASIO electronic musical instrument.

• Before using the instrument, be sure to

carefully read through the instructions

contained in this manual.

• Please keep all information for future ref-

erence.

Symbols

Various symbols are used in this user’s guide

and on the product itself to ensure that the

product is used safely and correctly, and to

prevent injury to the user and other persons

as well as damage to property. Those sym-

bols along with their meanings are shown

below.

DANGER

This symbol indicates information that, if

ignored or applied incorrectly, creates the

danger of death or serious personal injury.

WARNING

This indication stipulates matters that have

the risk of causing death or serious injury

if the product is operated incorrectly while

ignoring this indication.

CAUTION

This indication stipulates matters that have

the risk of causing injury as well as mat-

ters for which there is the likelihood of

occurrence of physical damage only if the

product is operated incorrectly while ig-

noring this indication.

Symbol Examples

This triangle symbol ( ) means

that the user should be careful.

(The example at left indicates

electrical shock caution.)

This circle with a line through it

(

) means that the indicated ac-

tion must not be performed. In-

dications within or nearby this

symbol are specifically prohib-

ited. (The example at left indi-

cates that disassembly is prohib-

ited.)

The black dot (

) means that the

indicated action must be per-

formed. Indications within this

symbol are actions that are spe-

cifically instructed to be per-

formed. (The example at left indi-

cates that the power plug must be

unplugged from the electrical

socket.)

625A-E-003A

02.8.26, 17:29Page 1

E-2

625A-E-004A

AC Adaptor

Misuse of the AC adaptor’s electric

cord can damage or break it, creat-

ing the risk of fire and electric shock.

Always make sure you observe the

following precautions.

• Never place heavy objects on the

cord or subject it to heat.

• Never try to modify the cord or

subject it to excessive bending.

• Never twist or stretch the cord.

• Should the electric cord or plug

become damaged, contact your

original retailer or authorized

CASIO Service Provider.

AC Adaptor

Never touch the AC adaptor while

your hands are wet.

Doing so creates the risk of electric

shock.

Batteries

Misuse of batteries can cause them

to leak, resulting in damage to

nearby objects, or to explode, creat-

ing the risk of fire and personal in-

jury. Always make sure you observe

the following precautions.

• Never try to take batteries apart

or allow them to become shorted.

• Never expose batteries to heat or

dispose of them by incineration.

• Never mix old batteries with new

ones.

• Never mix batteries of different

types.

• Do not charge the batteries.

• Make sure the positive (+) and

negative (–) ends of the batteries

are facing correctly.

DANGER

Alkaline Batteries

Perform the following steps imme-

diately if fluid leaking from alka-

line batteries ever gets into your

eyes.

1. Do not rub your eyes! Rinse them

with water.

2. Contact your physician immedi-

ately.

Leaving alkaline battery fluid in

your eyes can lead to loss of sight.

WARNING

Smoke, Strange Odor, Overheating

Continued use of the product while

it is emitting smoke, a strange odor,

or heat creates the risk of fire and

electric shock. Take the following

steps immediately.

1. Turn off power.

2. If you are using the AC adaptor

for power, unplug it from the wall

outlet.

3. Contact your original retailer or

an authorized CASIO Service Pro-

vider.

AC Adaptor

Misuse of the AC adaptor creates

the risk of fire and electric shock.

Always make sure you observe the

following precautions.

• Be sure to use only the AC adap-

tor that is specified for this prod-

uct.

• Use only a power source whose

voltage is within the rating

marked on the AC adaptor.

• Do not overload electrical outlets

and extension cords.

02.8.26, 17:29Page 2

E-3

Plastic Bags

Never place the plastic bag the prod-

uct comes in over your head or in

your mouth. Doing so creates the

risk of suffocation.

Particular care concerning this pre-

caution is required where small chil-

dren are present.

Keep off of the product and stand.*

Climbing onto the product or stand

can cause it to tip over or become

damaged. Particular care concern-

ing this precaution is required

where small children are present.

Location

Avoid locating the product on an

unstable stand, on an uneven sur-

face, or any other unstable location.

An unstable location can cause the

product to fall over, creating the risk

of personal injury.

Do not incinerate the product.

Never throw the product into fire.

Doing so can cause it to explode,

creating the risk of fire and personal

injury.

Water and Foreign Matter

Water, other liquids, and foreign

matter (such as pieces of metal) get-

ting into the product create the risk

of fire and electric shock. Take the

following steps immediately.

1. Turn off power.

2. If you are using the AC adaptor

for power, unplug it from the wall

outlet.

3. Contact your original retailer or

an authorized CASIO Service Pro-

vider.

Disassembly and Modification

Never try to take this product apart

or modify it in any way. Doing so

creates the risk of electric shock,

burn injury, or other personal in-

jury. Leave all internal inspection,

adjustment, and maintenance up to

your original retailer or authorized

CASIO Service Provider.

Dropping and Impact

Continued use of this product after

it has been damaged by dropping

or subjecting it to strong impact cre-

ates the risk of fire and electric

shock. Take the following steps im-

mediately.

1. Turn off power.

2. If you are using the AC adaptor

for power, unplug it from the wall

outlet.

3. Contact your original retailer or

an authorized CASIO Service Pro-

vider.

625A-E-005A

02.8.26, 17:29Page 3

E-4

625A-E-006A

Cleaning

Before cleaning the product, always

unplug the AC adaptor from the

wall outlet first. Leaving the AC

adaptor plugged in creates the risk

of damage to the AC adaptor, fire,

and electric shock.

Batteries

Misuse of batteries can cause them

to leak resulting in damage to

nearby objects, or to explode, creat-

ing the risk of fire and personal in-

jury. Always make sure you observe

the following precautions.

• Use only batteries that are speci-

fied for use with this product.

• Remove batteries from the prod-

uct if you do not plan to use it for

a long time.

Connectors

Connect only the specified devices

and equipment to the product’s con-

nectors. Connection of a non-speci-

fied device or equipment creates the

risk of fire and electric shock.

Location

Avoid the following locations for

this product. Such locations create

the risk of fire and electric shock.

• Areas subject to high humidity

or large amounts of dust.

• In food preparation areas or other

areas subject to oil smoke.

• Near air conditioning equipment,

on a heated carpet, in areas ex-

posed to direct sunlight, inside of

a vehicle parked in the sun, or

any other area that subjects the

product to high temperatures.

CAUTION

AC Adaptor

Misuse of the AC adaptor creates

the risk of fire and electric shock.

Always make sure you observe the

following precautions.

• Do not locate the electric cord

near a stove or other sources of

heat.

• Never pull on the cord when un-

plugging from the electrical out-

let. Always grasp the AC adap-

tor when unplugging.

AC Adaptor

Misuse of the AC adaptor creates

the risk of fire and electric shock.

Always make sure you observe the

following precautions.

• Insert the AC adaptor into the

wall outlet as far as it will go.

• Unplug the AC adaptor from the

wall outlet during lightening

storms or before leaving on a trip

or other long-term absence.

• At least once a year, unplug the

AC adaptor from the wall outlet

and wipe away any dust that is

built up in the area around the

prongs of the plug.

Relocating the Product

Before relocating the product, al-

ways unplug the AC adaptor from

the wall outlet and disconnect all

other cables and connecting cords.

Leaving cords connected creates the

risk of damage to the cords, fire,

and electric shock.

02.8.26, 17:29Page 4

E-5

IMPORTANT!

When using batteries, be sure to replace them or shift to one

of the alternate power sources whenever you notice any of

the following symptoms.

• Dim power indicator

• Instrument does not turn on

• Display that is flickering, dim, or difficult to read

• Abnormally low speaker/headphone volume

• Distortion of sound output

• Occasional interruption of sound when playing at high vol-

ume

• Sudden power failure when playing at high volume

• Flickering or dimming of the display when playing at high

volume

• Continued sound output even after you release a key

• A tone that is totally different from the one that is selected

• Abnormal rhythm pattern and Song Bank play

• Loss of power, sound distortion, or low volume when play-

ing from a connected computer or MIDI device

Display Screen

• Never push on the display

screen’s LCD panel or subject it

to strong impact. Doing so can

cause the LCD panel’s glass to

crack, creating the risk of personal

injury.

• Should the LCD panel ever crack

or break, never touch the liquid

inside of the panel. LCD panel

liquid can cause skin irritation.

• Should LCD panel liquid ever get

inside your mouth, immediately

wash out your mouth with water

and contact your physician.

• Should LCD panel liquid ever get

into your eyes or onto your skin,

rinse with clear water for at least

15 minutes, and then contact a

physician.

Sound Volume

Do not listen to music at very loud

volumes for long periods. Particu-

lar care concerning this precaution

is required when using headphones.

High volume settings can damage

your hearing.

Heavy Objects

Never place heavy object on top of

the product.

Doing so can make the product top

heavy, causing the product to tip

over or the object to fall from it,

creating the risk of personal injury.

Correct Stand* Assembly

An incorrectly assembled stand can

tip over, causing the product to fall

and creating the risk of personal in-

jury.

Make sure you assemble the stand

correctly, following the assembly

instructions that come with it. Make

sure you mount the product on the

stand correctly.

* Stand is available as an option.

625A-E-007A

02.8.26, 17:29Page 5

E-6

625A-E-008A

Introduction

Congratulations upon your selection of this CASIO musical instrument. This keyboard provides

you with the following features and functions.

❐ 100 tones

• Choose from among orchestral sounds, synthesized sounds, and more.

❐ 100 rhythms

• 100 versatile rhythms help to add plenty of life to all your keyboard performances.

❐ Auto Accompaniment

• Simply play a chord and the corresponding rhythm, bass and chord parts play automatically.

❐ 100-tune Song Bank

• A wide selection of favorites including “ODE TO JOY” and “JINGLE BELLS” is yours for your

listening enjoyment or play along fun. A simple operation cuts out the melody part or accom-

paniment part of the tune, allowing you to play along on the keyboard.

❐ Musical Information System

• A big LCD screen graphically shows you fingerings, keyboard keys to be pressed, and notes,

making keyboard play more informative and enjoyable than ever before.

❐ MIDI compatibility

• Connecting to another MIDI device lets you sound notes on both this keyboard and the

connected device by playing on this keyboard. You can even playback commercially avail-

able pre-recorded MIDI data.

02.8.26, 17:29Page 6

E-7

625A-E-009A

Contents

Safety Precautions ................E-1

Introduction ...........................E-6

Contents.................................E-7

General Guide ........................E-8

Rear Panel ................................................. E-9

Using the Display .....................................E-10

Song Bank

Quick Reference .................. E-11

Playing Back a Song Bank Tune ............. E-11

Power Supply.......................E-13

Using batteries .........................................E-13

Using the AC Adaptor ..............................E-14

Auto Power Off.........................................E-14

Settings ....................................................E-14

Connections.........................E-15

Phones/Output Terminal ..........................E-15

Sustain jack Terminal ...............................E-15

Accessories and Options .........................E-15

Basic Operations .................E-16

Playing the Keyboard...............................E-16

Selecting a Tone ......................................E-16

Auto Accompaniment .........E-18

Selecting a Rhythm ..................................E-18

Playing a Rhythm .....................................E-18

Adjusting the Tempo ................................E-19

Using Auto Accompaniment .....................E-19

Using a Fill-in Pattern ..............................E-21

Synchro Starting Accompaniment

with Rhythm Play .....................................E-21

Adjusting the Accompaniment Volume ....E-21

Using the Song Bank ..........E-22

Playing Back a Song Bank Tune .............E-22

Song Bank Mode Display ........................E-23

Adjusting the Tempo of a Song Bank Tune ...

E-23

Changing the Tone of a Song Bank

Tune’s Melody ..........................................E-24

Playing Along with a Song Bank Tune ..... E-24

Applause Sound ......................................E-25

Playing Back All Song Bank Tunes

in Succession ...........................................E-25

Using the Chord Book ........E-26

Looking Up a Chord

Using the Chord Book..............................E-27

Keyboard Settings...............E-29

Transposing the Keyboard .......................E-29

Tuning the Keyboard ...............................E-30

MIDI.......................................E-31

What is MIDI? ..........................................E-31

General MIDI ...........................................E-31

Changing MIDI Settings ...........................E-32

Troubleshooting ..................E-34

Specifications ......................E-36

Care of your keyboard ........E-37

Appendix ............................... A-1

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

Note Table ..................................................A-2

Fingered Chord Chart ................................A-4

Percussion Instrument List ........................A-5

MIDI Implementation Chart

02.8.26, 17:29Page 7

E-8

G I K

5 07 B

C E

General Guide

E SONG BANK CONTROLLER

625A-E-010A

• Key, button, and other names are indicated in the text of this manual using bold type.

REW button

LEFT ON/OFF button

(ACCOMP)

PLAY/PAUSE button

FF button

STOP button

Number buttons/

Chord specification buttons

• For input of numbers to change

displayed settings.

• For input of chord specification

data when using the Chord

Book.

[+]/[–] buttons

• Negative values can be changed only

by using [+] and [–] to increase and

decrease the displayed value.

RIGHT ON/OFF button

(MELODY)

02.8.26, 17:29Page 8

E-9

Attachment of the Score Stand

Insert both ends of the music stand provided with

the keyboard into the two holes on the top surface.

L MIDI OUT terminal

M MIDI IN terminal

N SUSTAIN jack terminal

O DC 9V jack

P PHONES/OUTPUT terminal

1 Rhythm list

2 Power indicator

3 POWER/MODE switch

4 MAIN VOLUME buttons

5 ACCOMP VOLUME button

6 TRANSPOSE/TUNE/MIDI button

7 CHORD BOOK button

8 Tone list

9 Display

0 RHYTHM button

A TONE button

B SONG BANK button

C Number buttons (Chord specification buttons)

D Song bank list

E SONG BANK CONTROLLER

(PLAY/PAUSE, STOP, REW, FF, LEFT ON/OFF, RIGHT ON/OFF)

F Speaker

G Chord name

H Percussion instrument list

I SYNCHRO/FILL-IN button

J START/STOP button

K TEMPO buttons

Rear Panel

NL M O P

625A-E-011A

02.8.26, 17:29Page 9

E-10

An indicator appears next to the type of setting you are currently performing (TONE, RHYTHM,

SONG BANK).

Tone number, rhythm number, song number, keyboard settings value

Rhythm, auto-accompaniment, Song Bank tune beats

Tone name, rhythm name, song name, mode name, keyboard settings name

Musical staff representation of notes and chords you play on the keyboard. A pedal indicator ( )

appears when the keyboard's pedal is depressed. An octave indicator ( ) appears when you

play notes in the range from C



6 to C7 to indicate that their actual notation is one octave higher

than that shown on display.

Uses a graphic keyboard to show notes and chords played on the keyboard or played during Song

Bank tune playback

Auto-accompaniment, Song Bank, chord book chord names

Dots indicate fingerings during Song Bank playback. “L” and “R” indicate left-hand and right-

hand parts.

Rhythm, auto-accompaniment, Song Bank tune tempo

Rhythm, auto-accompaniment, Song Bank tune tempo; volume setting

Song Bank controller indicators

❚

NOTE

• Display examples shown in this User’s Guide are intended for illustrative purposes only. The actual text and values that appear on the

display may differ from the examples shown in this User’s Guide.

Using the Display

• This is how the display appears

while the Song Bank is in use.

625A-E-012A

02.8.26, 17:29Page 10

E-11

Use the Song Bank list to find the tune you want

to play back, and then use the number buttons

to input the tune’s two-digit number.

Example: To select “62 ODE TO JOY”, input 6 and then

Press the PLAY/PAUSE button to start play of the

tune.

• The tune plays in an endless loop, re-starting after it

reaches the end.

• The display shows the keyboard keys (on the graphic

keyboard), fingerings (with the fingering indicators),

musical notes (on the staff), and chord names.

A selection of 100 Song Bank tunes comes built-in for your

listening pleasure or play along fun. A simple operation cuts

out the melody part or accompaniment part of the tune, al-

lowing you to play along on the keyboard. See "Using the

Song Bank" on page E-22 for details on playing along with

Song Bank tunes.

Playing Back a Song Bank Tune

To play back a Song Bank tune

Set the POWER/MODE switch to NORMAL.

Use the MAIN VOLUME buttons to lower the

keyboard volume to a relatively low level.

Press the SONG BANK button to enter the Song

Bank Mode.

Song Bank Quick Reference

625A-E-013A

Appears when SONG BANK button is pressed

Staff displayKeyboard keys used

Fingers used

Chord name

MAIN VOLUME

POWER/MODE PLAY/PAUSE

SONG BANK

Number buttons

02.8.26, 17:30Page 11

E-12

Press the RIGHT ON/OFF button to turn off the

right-hand melody part and try playing along on

the keyboard.

• The display’s graphic keyboard and fingering indi-

cators show you the melody notes to play.

Press the RIGHT ON/OFF button again to turn

the melody part back on.

• You can also turn the accompaniment part on and off

by pressing the LEFT ON/OFF button.

Press the STOP button to stop playback of the

Song Bank tune.

Press the TONE button to exit the Song Bank

Mode and return to the tone and rhythm selec-

tion screen.

❚

NOTE

• You can also perform the following operations during play of a

Song Bank tune.

• Pause: Press the PLAY/PAUSE button.

• Fast Forward: Press the FF (fast forward) button.

• Rewind: Press the REW (rewind) button.

625A-E-014A

Indicator turns off

STOP RIGHT ON/OFF

TONE

02.8.26, 17:30Page 12

E-13

Important Battery Information

■

The following shows the approximate battery life.

Alkaline batteries .............. 4 hours*

Manganese batteries .......... 2 hours*

* The above value is standard battery life at normal tem-

perature, with the keyboard volume at medium setting.

Temperature extremes or playing at very loud volume

settings can shorten battery life.

■

Any of the following symptoms indicate low battery pow-

er. Replace batteries as soon as possible whenever any of

the following occurs.

• Dim power indicator

• Instrument does not turn on

• Display that is flickering, dim, or difficult to read

• Abnormally low speaker/headphone volume

• Distortion of sound output

• Occasional interruption of sound when playing at high

volume

• Sudden power failure when playing at high volume

• Flickering or dimming of the display when playing at

high volume

• Continued sound output even after you release a key

• A tone that is totally different from the one that is se-

lected

• Abnormal rhythm pattern and Song Bank play

• Loss of power, sound distortion, or low volume when

playing from a connected computer or MIDI device

WARNING

Misuse of batteries can cause them to leak, resulting in damage

to nearby objects, or to explode, creating the risk of fire and per-

sonal injury. Always make sure you observe the following pre-

cautions.

• Never try to take batteries apart or allow them to become

shorted.

• Never expose batteries to heat or dispose of them by in-

cineration.

• Never mix old batteries with new ones.

• Never mix batteries of different types.

• Do not charge the batteries.

• Make sure the positive (+) and negative (–) ends of the

batteries are facing correctly.

CAUTION

Misuse of batteries can cause them to leak resulting in damage

to nearby objects, or to explode, creating the risk of fire and per-

sonal injury. Always make sure you observe the following pre-

cautions.

• Use only batteries that are specified for use with this prod-

uct.

• Remove batteries from the product if you do not plan to

use it for a long time.

Power Supply

625A-E-015A

Tab

This keyboard can be powered by current from a standard

household wall outlet (using the specified AC adaptor) or by

batteries. Always make sure you turn the keyboard off when-

ever you are not using it.

Using batteries

Always make sure you turn off the keyboard before loading

or replacing batteries.

To load batteries

Remove the battery compartment cover.

Load 6 AA-size batteries into the battery com-

partment.

• Make sure that the positive (+) and negative (–) ends

are facing correctly.

Insert the tabs on the battery compartment cov-

er into the holes provided and close the cover.

The keyboard may not function correctly if you load or re-

place batteries with power turned on. If this happens, turn-

ing the keyboard off and then back on again should return

functions back to normal.

02.8.26, 17:30Page 13

E-14

IMPORTANT!

• Make sure that the keyboard is turned off before connect-

ing or disconnecting the AC adaptor.

• Using the AC adaptor for a long time can cause it to be-

come warm to touch. This is normal and does not indicate

malfunction.

Auto Power Off

When you are using battery power, keyboard power turns

off automatically whenever you leave it on without perform-

ing any operation for about 6 minutes. When this happens,

use the POWER/MODE switch to turn power back on.

❚

NOTE

• Auto Power Off is disabled (it does not function) when you are

using the AC adaptor to power the keyboard.

To disable Auto Power Off

Hold down the TONE button while turning on the keyboard

to disable Auto Power Off.

❚

NOTE

• When Auto Power Off is disabled, the keyboard does not turn

off automatically no matter how long it is left with no operation

being performed.

• Auto Power Off is automatically enabled whenever you turn on

keyboard power.

Settings

All keyboard settings are returned to their initial defaults

whenever keyboard power is turned back on after being

turned off by operation of the POWER/MODE switch or Auto

Power Off.

Using the AC Adaptor

Make sure that you use only the AC adaptor specified for

this keyboard.

Specified AC Adaptor: AD-5

[Rear Panel]

Also note the following important warnings and precautions

when using the AC adaptor.

WARNING

Misuse of the AC adaptor creates the risk of fire and electric shock.

Always make sure you observe the following precautions.

• Be sure to use only the AC adaptor that is specified for this

product.

• Use only a power source whose voltage is within the rat-

ing marked on the AC adaptor.

• Do not overload electrical outlets and extension cords.

• Never place heavy objects on the cord or subject it to

heat.

• Never try to modify the cord or subject it to excessive

bending.

• Never twist or stretch the cord.

• Should the electric cord or plug become damaged, con-

tact your original retailer or authorized CASIO Service

Provider.

• Never touch the AC adaptor while your hands are wet.

Doing so creates the risk of electric shock.

CAUTION

Misuse of the AC adaptor creates the risk of fire and electric shock.

Always make sure you observe the following precautions.

•

Do not locate the electric cord near a stove or other sourc-

es of heat.

• Never pull on the cord when unplugging from the electri-

cal outlet. Always grasp the AC adaptor when unplug-

ging.

• Insert the AC adaptor into the wall outlet as far as it will

go.

• Unplug the AC adaptor from the wall outlet during light-

ening storms or before leaving on a trip or other long-

term absence.

• At least once a year, unplug the AC adaptor from the wall

outlet and wipe away any dust that is built up in the area

around the prongs of the plug.

AC adaptor AD-5

AC output

DC 9V jack

625A-E-016A

02.8.26, 17:30Page 14

E-15

[Connection Example]

❚

NOTE

• You can also connect the keyboard’s MIDI terminal to a com-

puter or sequencer. See “MIDI” on page E-31 for details.

LEFT

RIGHT

AUX IN or similar terminal

of audio amplifier

White

Red

PIN plug

Stereo standard

plug

PHONES/OUTPUT Terminal

Keyboard amp,

guitar amp,etc.

Audio connection

Connections

Phones/Output Terminal

Before connecting phones or other external equipment, be

sure to first turn down the volume settings of the keyboard

and the connected equipment. You can then adjust volume

to the desired level after connections are complete.

[Rear Panel]

Connecting Phones (Figure 1)

Connecting phones cuts off output from the keyboard’s built-

in speakers, so you can play even late at night without dis-

turbing anyone.

Audio Equipment (Figure 2)

Connect the keyboard to a audio equipment using a com-

mercially available connecting cord with a standard plug on

one end and two PIN plugs on the other end. Note that the

standard plug you connect to the keyboard must be a stereo

plug, otherwise you will be able to output only one of stereo

channels. In this configuration, you normally set the input

selector of the audio equipment to the terminal (usually

marked AUX IN or something similar) where the cord from

the keyboard is connected. See the user documentation that

comes with your audio equipment for full details.

Musical Instrument Amplifier (Figure 3)

Use a commercially available connecting cord* to connect the

keyboard to a musical instrument amplifier.

* Be sure to use a connecting cord that has a stereo standard

plug on the end you connect to the keyboard, and a con-

nector that provides dual channel (left and right) input to

the amplifier to which you are connecting. The wrong type

of connector at either end can cause one of the stereo chan-

nels to be lost.

When connected to a musical instrument amplifier, set the

volume of the keyboard to a relatively low level and make

output volume adjustments using the amplifier’s controls.

INPUT 1

INPUT 2

PIN jack

PIN plug (red)

PIN plug (white)

Stereo standard plug

Keyboard or

guitar amp

To keyboard’s

PHONES/OUTPUT

terminal

Standard plug

625A-E-017A

Sustain jack Terminal

You can connect an optional sustain pedal (SP-2, SP-10, or

SP-20) to the SUSTAIN jack terminal to enable the capabili-

ties described below.

Sustain Pedal

• With piano tones, depressing the pedal causes notes to lin-

ger, much like a piano’s damper pedal.

• With organ tones, depressing the pedal causes notes to con-

tinue to sound until the pedal is released.

Accessories and Options

Use only the accessories and options specified for this key-

board. Use of non-authorized items creates the danger of fire,

electrical shock, and personal injury.

SUSTAIN jack Terminal

SP-20

02.8.26, 17:30Page 15

E-16

This section provides information on performing basic key-

board operations.

Playing the Keyboard

To play the keyboard

Set the POWER/MODE switch to NORMAL.

Use the MAIN VOLUME buttons to lower the

keyboard volume.

• It’s always a good idea to set the keyboard volume at

a relatively low level before playing.

• Pressing [왖] or [왔] causes the current volume setting

to appear on the display. Press [왖] or [왔] again to

change the setting.

Play something on the keyboard.

Selecting a Tone

This keyboard comes with 100 built-in tones. Use the follow-

ing procedure to select the tone you want to use.

To select a tone

Find the tone you want to use in the keyboard’s

tone list and note its tone number.

Basic Operations

Press the TONE button.

Use the number buttons to input the two digit

tone number for the tone you want to select.

Example: To select “26 WOOD BASS”, input 2 and then

6 .

• Now notes played on the keyboard will be played

using an acoustical wood bass sound.

❚

NOTE

• Always input both digits for the tone number, including a lead-

ing zero (if any). If you input one digit and stop, the display will

automatically clear your input after a few seconds.

• You can also increment the displayed tone number by press-

ing [+] and decrement it by pressing [–].

• The names of tone numbers 60 through 89 are not marked on

the keyboard console. See the “Tone List” (page A-1) for de-

tails.

• Sound effect tones such as 77 VEHICLE sound best when you

keep a keyboard key depressed.

625A-E-018A

Appears when TONE button is pressed

MAIN VOLUME

POWER/MODE

TONE

Number buttons

02.8.26, 17:30Page 16

E-17

Combination tones

The following describes the two types of combination tones

that are available.

Layered Tones (Tone Numbers: 80 through 89)

Example: 80 STR PIANO

This tone layers a strings tone with a piano tone so they both

sound when a keyboard key is pressed.

Split Tones (Tone Numbers: 90 through 96)

Example: 90 BASS/PIANO

This tone splits the keyboard so one range is assigned a bass

tone and another range is assigned a piano tone.

Percussion sounds

Example: 99 PERCUSSION

This tone assigns various percussion sounds to the keyboard.

See the “Percussion Instrument List” on page A-5 for full de-

tails.

Sound Effect Tones

With sound effect tones 77 through 79, the type of sound pro-

duced depends on the octave where the key you press is lo-

cated. When 78 PHONE is selected available sound types are

PUSH TONE 1, PUSH TONE 2, RING 1, RING 2, and BUSY

SIGNAL.

Polyphony

The term polyphony refers to the maximum number of notes

you can play at the same time. The keyboard has 12-note po-

lyphony, which includes the notes you play as well as the

rhythms and auto-accompaniment patterns that are played

by the keyboard. This means that when a rhythm or auto-

accompaniment pattern is being played by the keyboard, the

number of notes (polyphony) available for keyboard play is

reduced. Also note that some of the tones offer only 6-note

polyphony.

❚

NOTE

• When rhythm or auto accompaniment is playing, the number

of sounds simultaneously played is reduced.

625A-E-019A

BASS

PIANO

Digital Sampling

A number of the tones that are available with this keyboard

have been recorded and processed using a technique called

digital sampling. To ensure a high level of tonal quality, sam-

ples are taken in the low, mid, and high ranges and then com-

bined to provide you with sounds that are amazingly close

to the originals. You may notice very slight differences in

volume or sound quality for some tones when you play them

at different positions on the keyboard. This is an unavoid-

able result of multiple sampling, and it is not a sign of mal-

function.

02.8.26, 17:30Page 17

E-18

Use the number buttons to input the two digit

rhythm number for the rhythm you want to se-

lect.

Example: To select “64 WALTZ”, input 6 and then 4.

❚

NOTE

•“00 CLUB POP” is the initial default rhythm setting whenever

you turn on keyboard power.

• You can also increment the displayed rhythm number by press-

ing [+] and decrement it by pressing [–].

Playing a Rhythm

Use the following procedure to start and stop rhythm play.

To play a rhythm

Set the POWER/MODE switch to NORMAL.

Press the START/STOP button to start play of the

currently selected rhythm.

To stop rhythm play, press the START/STOP but-

ton again.

❚

NOTE

• All of the keyboard keys are melody keys while the POWER/

MODE switch is set to NORMAL.

This keyboard automatically plays bass and chord parts in

accordance with the chords you finger. The bass and chord

parts are played using sounds and tones that are automati-

cally selected to select the rhythm you are using. All of this

means that you get full, realistic accompaniments for the

melody notes you play with your right hand, creating the

mood of an one-person ensemble.

Selecting a Rhythm

This keyboard provides you with 100 exciting rhythms that

you can select using the following procedure.

To select a rhythm

Find the rhythm you want to use in the keyboard’s

rhythm list and note its rhythm number.

Press the RHYTHM button.

Auto Accompaniment

625A-E-020A

Appears when RHYTHM button is pressed

POWER/MODE TEMPO

START/STOP

RHYTHM

Number buttons

02.8.26, 17:30Page 18

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Casio CTK-625L User manual

Brand: Casio

Model: CTK-625L

Category: Musical Instruments

Type: User manual

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CTK481

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Casio CTK-625L User manual

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