Casio CTK-491 - Portable Keyboard User manual

CTK481/491-ES-1

USER’S GUIDE

GUÍA DEL USUARIO

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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.

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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.)

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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.

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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.

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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.

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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

<CTK-491 only>

• Distortion of microphone input

• Dim power supply indicator when a microphone is used

• Sudden power failure when using the microphone

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.

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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.

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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

Using the Microphone Jack

(CTK-491 only) ........................................E-17

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

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FJH

G I K

5 07 B

AC E

General Guide

ESONG 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)

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