Casio PS-20 User Manual
USER’S GUIDE
GUÍA DEL USUARIO
P
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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.
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.
Important!
Please note the following important information before using this product.
• Before using the optional AD-12 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.
• The product is not intended for children under 3 years.
• Use only CASIO AD-12 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 Digital Piano. This digital piano is a
sophisticated musical instrument that blends
the very best of traditional piano feel and
sound quality with the latest that modern
electronics technology has to offer.
• 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.
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.
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 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
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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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 the within the rating
marked on the AC adaptor.
• Do not overload electrical outlets
and extension cords.
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.
AC Adaptor
Never touch the AC adapter while
your hands are wet.
Doing so creates the risk of electric
shock.
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.
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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.
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.
* Avoid areas where there are
multiple layers of carpeting, and
where cables are running under
the product.
Always make sure you secure the
product to the stand with the screws
that are provided. An unsecured
product can fall from the stand,
creating the risk of personal injury.
Never climb onto the product or stand.*
Never climb onto the product or
hang from its edges. Doing so can
cause the product to fall over,
creating the risk of personal injury.
Special care concerning this point is
required in households where there
are small children.
Do not locate the product on an unstable
surface.
Never locate the product on a
surface that is wobbly, tilted, or
otherwise unstable*. An unstable
surface can cause the product to fall
over, creating the risk of personal
injury.
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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.
Connectors
Connect only the specified devices
and equipment to the product’s
connectors. Connection of a nonspecified 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
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.
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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
Failure to do so can cause the stand
to fall over and the digital piano to
fall from the stand, creating the risk
of personal injury.
Make sure you assemble the stand
in accordance with the instructions
that come with it, and ensure that
all connections are secure. Also
make sure that you choose an
appropriate location for the stand.
• When placing the digital piano onto
the stand, take care that you do not
pinch your fingers between the
digital piano and the stand.
• At least two people should lift the
digital piano when placing it onto
the stand or moving it. Trying to
move the digital piano alone can
cause the stand to fall over, creating
the risk of personal injury.
• Do not drag the stand or tilt it
forward or back when placing the
digital piano onto the stand or
moving it. Doing so can cause the
digital piano to fall over, creating
the risk of personal injury.
• Periodically check the screws that
secure the digital piano to the stand
for looseness. If a screw is loose,
retighten it. Loose screws can cause
the stand to tip over and the digital
piano to fall, creating the risk of
personal injury.
* Stand is available as an option.
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Main Features
■ Simple, compact design
A simple, compact design fits right in and complements just about any interior layout.
■ 8 versatile tones
Eight instrument tones including the digital piano and vibraphone provide plenty of performance versatility.
Other features include digital effects that control the acoustical characteristic of tones, as well as three pedal effects for all the
nuances of an acoustic piano.
A Sound Quality Adjustment feature lets you select the optimal sound quality setting to match the environment and acoustic
conditions of the location where you are playing, and for the headphones you are using.
■ Metronome
A simple operation lets you set the tempo and the beat of the metronome to suit the tune you want to play. It’s the perfect practice
tool for players of all levels.
■ 4 demo tunes
Demo tunes demonstrate use of the GRAND PIANO 1, ELEC PIANO 2, VIBRAPHONE, and HARPSICHORD tones.
■ Memory
Built-in memory lets you store a performance for later playback.
You can play along with playback on the keyboard, and even create an ensemble effect by using a keyboard tone that is different
from the recorded tone.
■ Powerful keyboard setting functions
A selection of powerful keyboard setting functions helps you get create exactly the musical mood you want.
Transpose adjusts the key of the keyboard in semitone steps.
Tuning provides a means to tune with another musical instrument.
Touch Select adjusts the intensity of the output sound in accordance with the amount of pressure you apply to the keyboard.
■ MIDI terminal
Connecting to another MIDI musical instrument lets you play two instruments from the keyboard of this digital piano. You can
also connect to a commercially available MIDI sequencer to increase the number of parts you can play.
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Contents
Safety Precautions ....................E-1
Main Features ............................ E-6
Contents..................................... E-7
General Guide............................ E-8
Attachment of the Score Stand..................E-8
Power Suppply ........................ E-10
Using the AC Adaptor ..............................E-10
Connections............................. E-11
Accessories and Options ......................... E-11
Basic Operation....................... E-12
Using Tones ............................................. E-12
Keyboard Settings................... E-20
Using Touch Select .................................. E-20
Using Transpose ...................................... E-20
Adjusting the Tuning of
the Digital Piano.......................................E-21
MIDI........................................... E-22
What is MIDI? .......................................... E-22
What you can do with MIDI ...................... E-22
MIDI Connections ....................................E-22
MIDI Channels .........................................E-22
Simultaneous Receive Over
Multiple Channels (Multi-Timbre).............E-23
Setting the Keyboard Channel.................E-23
Sending Memory Playback Data .............E-23
Turning Local Control On and Off............E-24
MIDI Data Notes ......................................E-24
Using Digital Effects.................................E-13
Adjusting the Sound Quality ....................E-14
Using the Pedals ......................................E-15
Using the Metronome .............................. E-16
Using the Memory ................... E-17
About the Memory ................................... E-17
Recording.................................................E-17
Playback .................................................. E-18
Deleting Memory Contents ......................E-18
Using Demo Tunes .................. E-19
Playing the Demo Tunes in Sequence ....E-19
Playing a Specific Demo Tune.................E-19
Stopping Demo Tune Play ....................... E-19
Troubleshooting ...................... E-26
Specifications .......................... E-27
Operational Precautions ......... E-28
Appendix .................................... A-1
Initial Power On Settings ........................... A-1
MIDI Data Format.......................A-2
Channel Messages ....................................A-2
System Messages ..................................... A-6
MIDI Implementation Chart
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General Guide
Back Panel
Attachment of the
Score Stand
Install the music stand by
inserting its pegs into the
holes in the digital piano.
12
Left Side Panel
7890 A BC E
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3
45 6
D
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1 LINE OUT jacks (R, L/MONO )
2 DAMPER PEDAL jack, SOFT/SOSTENUTO PEDAL jack
3 POWER button
4 DC 12V jack
5 MIDI IN terminal, MIDI OUT terminal
6 PHONES jack
7 VOLUME knob
8 CONTROL button
9 REVERB button
0 CHORUS button
A TONE buttons
• GRAND PIANO 1 button
• GRAND PIANO 2 button
• BRIGHT PIANO button
• MELLOW PIANO button
• ELEC PIANO 1 button
• ELEC PIANO 2 button
• VIBRAPHONE button
• HARPSICHORD button
B METRONOME button
C START/STOP button
D RECORD button
E DEMO button
❚
NOTE
Note Names
CDEFGAB
(H)
A value next to a note name indicates the relative position of the note
on the keyboard as shown below.
C
▲
C
▲
1
C
▲
2
C
▲
3
C
▲
4
C
▲
5
C
▲
6
C
▲
7
C
8
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Power Supply
You can power this digital piano by plugging it into a
standard household power outlet.
Be sure you turn off power and unplug the power cord from
the electrical outlet whenever the digital piano is not in use.
Using the AC Adaptor
Make sure that you use only the AC adaptor specified for
this digital piano.
Specified AC Adaptor: AD-12
[Left Side Panel]
DC 12V jack
AC adaptor AD-12
AC outlet
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 rating
marked on the AC adaptor.
• Do not overload electrical outlets and extension cords.
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 sources
of heat.
• Never pull on the cord when unplugging from the electrical
outlet. Always grasp the AC adaptor when unplugging.
• 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 longterm 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.
IMPORTANT!
• Make sure that the product is turned off before connecting
or disconnecting the AC adaptor.
• Using the AC adaptor for a long time can cause it to
become warm to the touch. This is normal and does not
indicate malfunction.
• 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.
• Never touch the AC adaptor while your hands are wet.
Doing so creates the risk of electric shock.
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