CTK451/471-ES-1
P
USER'S GUIDE
GUÍA DEL USUARIO
01.8.1, 2:08 PM
Page 1
622A-E-002A
01.7.26, 10:39 AM
Page 2
E-1
622A-E-003A
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.
Welcome...
To the happy family of satisfied CASIO electronic musical instrument owners! To get the most
out of the many features and functions of the keyboard, be sure to carefully read this manual
and keep it on hand for future reference.
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 supply 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 volumes
· Sudden power failure when playing at high volumes
· Flickering or dimming of the display when playing at high volume
· Continued sound output even after you release a key
· A totally different tone may sound
· Abnormal rhythm pattern and Song Bank play
· Loss of power, sound distortion, or low volume when playing from a connected computer
or MIDI device
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.
01.7.26, 10:39 AM
Page 1
E-2
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.
622A-E-004A
01.7.26, 10:39 AM
Page 2
E-3
Safety Precautions
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.
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 action must not
be performed. Indications within or nearby
this symbol are specifically prohibited.
(The example at left indicates that disas-
sembly is prohibited.)
The black dot (
) means that the indi-
cated action must be performed. Indica-
tions 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.)
WARNING
Please use caution regarding the handling of the AC
adaptor.
· Do not use a voltage other than the indi-
cated power supply voltage. Use of a volt-
age other than that indicated may cause
fire or electrical shock.
· If the power cord should become damaged
(exposed wires, disconnection, etc.), pur-
chase a new AC adaptor. Use of a damaged
power cord may cause fire or electrical
shock.
· Do not cut or damage the power cord. Also
do not place heavy objects on top of it or
subject it to excessive heat. Damage to the
power cord may cause fire or electrical
shock.
· Do not attempt to shape the power cord or
subject it to excessive bending, twisting or
pulling. This may cause fire or electrical
shock.
· Please use the adaptor specified for this
instrument. Use of another adaptor may
cause fire, electrical shock, or malfunction.
Do not locate the instrument or its stand on an uneven
or unstable surface.
· Locating the instrument or its stand on an
uneven or unstable surface can cause it to
fall, creating the danger of personal injury.
Do not place containers containing water or other liq-
uids on the instrument.
· Do not place the following objects on the
instrument. Placing such objects on the in-
strument may cause fire or electrical shock
if they spill and get inside the instrument.
· Containers filled with water or other liq-
uids (including vases, potted plants, cups,
cosmetics and medicines)
· Small metal objects (including hairpins,
sewing needles and coins)
· Flammable objects
In the event a foreign object should happen
to get inside the instrument, please take the
following actions:
1. Turn power off.
2. Unplug the AC adaptor from the wall
outlet.
3. If there are any batteries loaded in the
keyboard, remove them.
· Do not touch the batteries directly with
your hands when removing them. They
may be hot or battery fluid may be leak-
ing from them.
4. Consult with the dealer where you pur-
chased the keyboard or with an autho-
rized CASIO service provider.
622A-E-005A
WARNING
This indication stipulates matters that have the risk of
causing death or serious injury if the product is oper-
ated 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.
01.7.26, 10:39 AM
Page 3