Casio CTK-581 User Manual
USER’S GUIDE
GUÍA DEL USUARIO
ES
CTK481/491-ES-1
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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 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-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 reference.
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 symbols 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.
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. Indications within or nearby this
symbol are specifically prohibited. (The example at left indicates that disassembly is prohibited.)
The black dot (
indicated action must be performed. Indications within this
symbol are actions that are specifically instructed to be performed. (The example at left indicates that the power plug must be
unplugged from the electrical
socket.)
) means that the
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 matters for which there is the likelihood of
occurrence of physical damage only if the
product is operated incorrectly while ignoring this indication.
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DANGER
Alkaline Batteries
Perform the following steps immediately if fluid leaking from alkaline batteries ever gets into your
eyes.
1. Do not rub your eyes! Rinse them
with water.
2. Contact your physician immediately.
Leaving alkaline battery fluid in
your eyes can lead to loss of sight.
AC Adaptor
Misuse of the AC adaptor’s electric
cord can damage or break it, creating 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.
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 Provider.
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 adaptor that is specified for this product.
• Use only a power source whose
voltage is within the rating
marked on the AC adaptor.
• Do not overload electrical outlets
and extension cords.
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, creating the risk of fire and personal injury. 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.
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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) getting 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 Provider.
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 injury. Leave all internal inspection,
adjustment, and maintenance up to
your original retailer or authorized
CASIO Service Provider.
Plastic Bags
Never place the plastic bag the product comes in over your head or in
your mouth. Doing so creates the
risk of suffocation.
Particular care concerning this precaution is required where small children 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 concerning this precaution is required
where small children are present.
Location
Avoid locating the product on an
unstable stand, on an uneven surface, or any other unstable location.
An unstable location can cause the
product to fall over, creating the risk
of personal injury.
Dropping and Impact
Continued use of this product after
it has been damaged by dropping
or subjecting it to strong impact 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 Provider.
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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 unplugging from the electrical outlet. Always grasp the AC adaptor 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, always 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.
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, creating the risk of fire and personal injury. Always make sure you observe
the following precautions.
• Use only batteries that are specified for use with this product.
• Remove batteries from the product if you do not plan to use it for
a long time.
Connectors
Connect only the specified devices
and equipment to the product’s connectors. Connection of a non-specified 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 exposed to direct sunlight, inside of
a vehicle parked in the sun, or
any other area that subjects the
product to high temperatures.
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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. Particular care concerning this precaution
is required when using headphones.
High volume settings can damage
your hearing.
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 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 selected
• Abnormal rhythm pattern and Song Bank play
• Loss of power, sound distortion, or low volume when playing 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
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 injury.
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 accompaniment 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 available 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
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...
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
E-23
Using the Chord Book ........E-26
Looking Up a Chord
Using the Chord Book.............................. E-27
Keyboard Settings...............E-29
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
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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General Guide
• Key, button, and other names are indicated in the text of this manual using bold type.
CC
C
CC
F
G I K
2
6
8D9
A
*
EE
E SONG BANK CONTROLLER
EE
4
31
5 07 B
JH
C E
F
[+]/[–] buttons
• Negative values can be changed only
by using [+] and [–] to increase and
decrease the displayed value.
Number buttons/
Chord specification buttons
• For input of numbers to change
displayed settings.
• For input of chord specification
data when using the Chord
Book.
E-8
RIGHT ON/OFF button
(MELODY)
LEFT ON/OFF button
(ACCOMP)
FF button
REW button
PLAY/PAUSE button
STOP button
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❚
NOTE
• Illustrations in this User’s Guide shows the CTK-481.
Rear Panel
• CTK-481 • CTK-491
NL M N O PLQ R MO P
L MIDI OUT terminal
M MIDI IN terminal
N SUSTAIN jack terminal
O DC 9V jack
P PHONES/OUTPUT terminal
<CTK-491 only>
Q MIC IN jack
R MIC VOLUME
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
*
Attachment of the Score Stand
Insert both ends of the music stand provided with
the keyboard into the two holes on the top surface.
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Using the Display
6
3
2
4
5
1
11
10
9
1
An indicator appears next to the type of setting you are currently performing (TONE, RHYTHM,
SONG BANK).
2
Tone number, rhythm number, song number, keyboard settings value
3
Rhythm, auto-accompaniment, Song Bank tune beats
4
Tone name, rhythm name, song name, mode name, keyboard settings name
8
7
• This is how the display appears
while the Song Bank is in use.
5
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 C6 to C7 to indicate that their actual notation is one octave higher
than that shown on display.
6
Uses a graphic keyboard to show notes and chords played on the keyboard or played during Song
Bank tune playback
7
Auto-accompaniment, Song Bank, chord book chord names
8
Dots indicate fingerings during Song Bank playback. “L” and “R” indicate left-hand and righthand parts.
9
Rhythm, auto-accompaniment, Song Bank tune tempo
10
Rhythm, auto-accompaniment, Song Bank tune tempo; volume setting
11
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.
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Song Bank Quick Reference
MAIN VOLUME
POWER/MODE PLAY/PAUSE
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, allowing 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
1.
Set the POWER/MODE switch to NORMAL.
2.
Use the MAIN VOLUME buttons to lower the
keyboard volume to a relatively low level.
SONG BANK
4.
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
5.
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.
Number buttons
2.
3.
Press the SONG BANK button to enter the Song
Bank Mode.
Appears when SONG BANK button is pressed
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Fingers used
Chord name
Staff displayKeyboard keys used
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6.
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 indicators show you the melody notes to play.
7.
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.
TONE
STOP RIGHT ON/OFF
8.
Press the STOP button to stop playback of the
Song Bank tune.
9.
Press the TONE button to exit the Song Bank
Mode and return to the tone and rhythm selection screen.
Indicator turns off
❚
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.
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Power Supply
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 whenever you are not using it.
Using batteries
Always make sure you turn off the keyboard before loading
or replacing batteries.
To load batteries
1.
Remove the battery compartment cover.
2.
Load 6 AA-size batteries into the battery compartment.
• Make sure that the positive (+) and negative (–) ends
are facing correctly.
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 power. 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
<CTK-491 only>
• Distortion of microphone input
• Dim power supply indicator when a microphone is
used
• Sudden power failure when using the microphone
3.
Insert the tabs on the battery compartment cover into the holes provided and close the cover.
Tab
The keyboard may not function correctly if you load or replace batteries with power turned on. If this happens, turning the keyboard off and then back on again should return
functions back to normal.
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WARNING
Misuse of batteries can cause them to leak, resulting in damage
to nearby objects, or to explode, creating the risk of fire and personal injury. 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.
CAUTION
Misuse of batteries can cause them to leak resulting in damage
to nearby objects, or to explode, creating the risk of fire and personal injury. Always make sure you observe the following precautions.
• Use only batteries that are specified for use with this product.
• Remove batteries from the product if you do not plan to
use it for a long time.
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