Casio ToneBank CT-420 User manual

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ToneBanc
CT-420
ELECTRONIC MUSICAL INSTRUMENT
Introduction
Your
new
CT-420
keyboard
is
a
state-of-the-art
musical
in-
strument
which
incorporates
the
latest
electronics
tech-
nology
to
make
its
operation
as
easy
as
possible.
Exceptional
sound
quality
backed
up
by
a
host
of
sophisti-
cated
features
and
functions
makes
this
keyboard
a
joy
to
play
for
everyone.
In
order
to
enjoy
the
features
and
functions
of
this
unit
to
their
fullest,
be
sure
to
carefully
read
this
manual
and
follow
the
instructions
contained
herein.
Contents
1e"General Guide 3.2284 e iw ive eer eeweees 4
2: Power Supply =) 6355 6.65 a4 24S 4d eee MS SSS 6
3. General Operation...................0 00 0c eee 7
4. Preset: Tones <es.c di 56 Cet Gree shit hen bbad desler 8
5. Tone Bank Sound Combinations ................. 10
6. Auto-rhythms..........0.0 00... ccc cee eee 12
7. Auto-accompaniment............... 0.0000 eens 13
8. Troubleshooting ............ 0.00... c eee eee ees 17
9. Care of Your Keyboard ......................08. 18
10. Specifications .............. 00... 00. c cee eee 19
a

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General
Guide
0
8000
6
0O
OO
OO
®
© ® 08
@
POWER/CHORD
switch
@ MAIN VOLUME slider
©
ACCOMP
VOLUME
slider
©
AUTO
HARMONIZE
button
©
TEMPO
control
buttons
@ RHYTHM selectors
@
Rhythm
SELECT
button
@ TONE selectors
ha
© Tone SELECT button
@ DEMO button
@ TONE BANK button
@
210
SOUND
TONE
BANK
list
@®
SYNCHRO/FILL-IN
button
@ START/STOP button
@
INTRO/ENDING
button
@®
Built-in
stereo
speakers
1. General Guide
a
ie
RE
eg
eee
[Rear panel]
a
|
@ Output jack
@ AC adaptor jack
Sg
————_—_—_SSSSSSS
————————
——
SSS
Se
{_
_———————
_
a
ee
_—————————
SS
oo
od
_———————
| sammsitpieuldllinnsrmanee teekammepane eaeaeaiaee oa
_———
—_———
_——————
fe
i
[Bottom panel]
Q
®
@ Tuning control
Adjusts
the
pitch
of
the
entire
keyboard
within
+30
cents
and
allows
easy
tuning
with
other
instruments.
©
Demonstration Tune
This
unit
features
a
preset
demonstration
tune
which
has
been
carefully
programmed
to
showcase
all
the
features
and
benefits
0
==
of
this
unit.
Simply
press
the
DEMO
button
@,
and
listen
to
4
=
=
the
CT-420
plays
itself!
*
The
demonstration
tune
is
played
in
an
endless
loop.
Press
the
DEMO
button
again
to
stop
the
tune.
*
The
keyboard
is
inoperable
while
playing
the
demonstration
tune.

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Power Supply
-DC. Power
¢ Dry batteries
This
unit
can
be
powered
by
six
D
size
(SUM-1/R20P)
manganese
dry
cell
bat-
teries.
Weakened
batteries
will
result
in
lower
volume
or
poor
tonal
quality.
The
power
indicator
lamp
will
gradually
lose
its
brightness
when
battery
power
weakens.
At
this
time,
change
batteries
or
shift
to
one
of
the
alter-
nate
power
sources
mentioned
below.
Battery replacement:
(1)
Open
the
battery
compartment
cover
in
front
of
the
unit
and
take
out
used
batteries.
(2)
Load
new
batteries
taking
care
that
polarity
is
correct.
"It
is
advisable
to
replace
all
six
batteries
at
the
same
time
for
longer
battery
life.
*
Standard
battery
life
is
approximately
8
hours.
° Car battery
With
the
car
battery
adaptor
(CA-5,
optional),
DC
power
is
supplied
from
a
car
battery
through
the
cigarette
lighter
socket.
An
AC
adaptor
(AD-5,
optional)
is
required
when
using
household
current.
Use
only
a
genuine
CASIO
adaptor
with
the
same
voltage
rating
(100,
117,
220,
or
240)
as
the
power
supply
in
your
area
to
prevent
component
damage.
Plug
the
AC
adaptor
into
the
AC
outlet
and
the
cord
into
the
unit.
This
will
automatically
cut
off
the
battery
power
supply.
AC adaptor AD-5
Cigarette lighter socket
AC adaptor jack
Car battery adaptor CA-5
a ae
fe ON ee
Be a teres ee
4
2. Power Supply
* Use only genuine CASIO adaptors to avoid risk of damage.
* The adaptor may become warm when left connected to an outlet. This is
normal, but the adaptor should be disconnected when not in use.
* Auto power off function
Power
is
automatically
cut
off
approximately
6
minutes
after
the
last
opera-
tion
of
the
unit.
Power
supply
can
be
restored
by
switching
power
OFF
and
then
ON
again.
PRECAUTIONS
Incorrectly
using
batteries
can
cause
leakage
or
bursts,
and
may
damage
your
product.
Note
the
following
precautions:
.
*
Be
sure
that
+
polarity
is
correct.
*
Do
not
mix
battery
types.
*
Do
not
mix
new
batteries
with
old
ones.
*
Never
leave
dead
batteries
in
battery
compartment
as
they
may
cause
mal-
functions.
*
Remove
batteries
when
not
using
the
product
for
extended
period.
*
The
supplied
batteries
are not
rechargeable.
*
Do
not
expose
the
battery
to
direct
heat,
let
it
become
shorted
or
try
to
take
it
apart.
|
|
|
(If
a
battery
leaks,
clean
out
the
battery
compartment
of
the
product
immedi-
ately,
taking
care
to
avoid
letting
the
battery
fluid
come
into
direct
contact
with
your
skin.)
General Operation
*
Refer
to
the
general
guide
found
on
page
4-5
for
exact
locations
of
this
keyboard
controls
and
connections.
(@) Set the POWER/CHORD switch to ON.
(2)
Adjust
the
volume
level.
|
-
(3)
Select
one
of
20
preset
tones
(see
“Preset
Tones”,
page
8)
or
one
of
210
Tone
Bank
sounds
(see
“Tone
Bank
Sound
Combinations”,
page
10).
)
Now,
start
playing.
ee
a
a,

i
i
A
OSE
Preset Tones
* Refer to the general guide found on page 4-5 for exact locations of this keyboard controls and
CONNECTIONS,
¢ To select a preset tone
1° Press the tone SELECT button to switch between the two tones assigned to
each TONE selector. When the SELECT indicator is lit, you can select one
of the upper tones (1—10). When it is not lit, you can select one of the lower
tones (11—20).
2) Press a TONE selector to choose a preset tone.
* “PIANO” tone is automatically selected whenever you switch the power of the keyboard ON.
¢ To select percussion sounds
When PERCUSSION sound is selected by the tone selector, the keyboard
keys can be used to play a total of 42 different built-in percussion sounds.
These sounds are assigned to respective keys as shown below;
8 0) @ @ @
_—
es
e990 9e0 890 @O @
@ bass drum 1/2 @ tom 1/2/3/4/mixed
@ snare drum 1/2 @ synth. tom 1/2/3
© gated snare drum @ cow bell 1/2
© rim shot @ triangle open/mute
© closed hihat 1/2 @® timbales; high mute/high/low/mixed
@ open hihat 1/2 @ computer game sound 1/2/3
@ crash cymbal 1/2/3/mixed @ agogo high/low
© synth. cymbal 1/2/3
© ride cymbal 1/2
@ gong 1/2
4
4, Preset Tones
ee
el
¢ Dual bass sounds
When
BASS
sound
is
selected
by
pressing
the
“BASS”
button
(one
of
the
tone
selector),
two
different
bass
tones
can
be
played
on
the
keyboard
at
the same time. 7
The
WOOD
BASS
tone
sounds
on
the
lower
half
of
the
keyboard
(C2—B3),
while
the
SLAP
BASS
tone
sounds
on
the
upper
half
(C4—C6).
AA
Wood bass (C2—B3) Slap bass (C4—C6) ———--——>-

Tone
Bank
Sound
Combinations
*
Refer
to
the
general
guide
found
on
page
4-5
for
exact
locations
of
this
keyboard
controls
and
connections.
é
This
keyboard
features
Casio’s
innovative
“Tone
Bank”
feature,
which
lets
you
choose
from
an
amazing
total
of
210
different
sound
combinations.
To
create
these
layered
sounds,
the
Tone
Bank
function
actually
integrates
the
characteristics
of
the
20
preset
tones.
You
can
select
these
sound
combinations
through
the
following
procedure.
*
To
select
Tone
Bank
Sound
Combinations
()
Select
any
of
the
20
preset
tones.
When
selecting
Tone
Bank
sounds,
the
tone
Initially
selected
is
used
as
a
base,
or
“Primary”
sound.
*
When
the
Primary
sound
is
selected,
the
keyboard
features
10-note
polyphony.
(2)
Press
the
TONE BANK
button.
This
activates
the
Tone
Bank
function,
allowing
you
to
choose
a
Secondary
sound
to
integrate
with
the
Primary
sound
you
just
selected.
*
After
the
TONE
BANK
button
is
pressed,
the
keyboard
changes
to
5-note
polyphony.
(3)
Select
any
other
of
the
20
Preset
tones.
The
characteristics
of
this
“Secondary”
sound
is
automatically
integrated
with
those
of
the
“Primary”
sound
already
selected.
°
To
select
a
different
secondary
sound
The
secondary
sound
can
be
changed
at
any
time,
as
long
as
the
Tone
Bank
function
is
selected.
Simply
select
a
different
preset
tone—the
primary
sound
remains
the
same.
°
To
select
a
different
primary
sound
The
primary
sound
can
be
changed
by
first
tu
rning
the
Tone
Bank
function
OFF
(press
TONE
BANK
button
so
that
indicator
goes
out),
selecting
any
other
preset
tone,
and
finally
turning
the
Tone
Bank
function
back
ON.
The
secon-
dary
tone
remains
the
same
in
this
case.
10
5.
Tone
Bank
Sound
Combinations
<
Example
of
Tone
Bank
Operation
>
i
Look
at
the
210-SOUND
TONE
BANK
list
on
the
keyboard.
Here,
let
us
produce
the
TONE
BANK
sound
The
two
numbers
to
the
left
of
the
TONE
BANK
sound
name
are
preset
tone
numbers
(see
the
list
below).
The
number
4
represents
the
“Primary”
sound,
while
6
is
the
“Secondary”
sound.
Basically,
the
210-SOUND
TONE
BANK
list
indicates
that
if
you
mix
preset
tone
6
BRASS
ENS
with
preset
tone
4
JAZZ
ORGAN
,
you
will
get
BRASS
ORGAN.
A] PIANO | [ii] ELEC PIANO |
FUNKY CLAVI
preset tone numbers
|
4 JAZZ ORGAN
[6]
BRASS
ENS
_
14
ORGAN
[8] CHORUS
'O[BELLS
i
19]
SYNTH-ENS_|
tone
selector
°
To
select
[4/6]
BRASS
ORGAN
(4)
First,
select
preset
tone
4,
JAZZ
ORGAN.
This
first
selection
becomes
the
“Primary”
sound.
(2)
Press
the
TONE
BANK
button.
At
this
time,
the
TONE
BANK
indicator
above
the
button
should
light.
@)
Select
preset
tone
6,
BRASS
ENS.
This
selection
becomes
the
“Secondary”
sound.
BRASS
ORGAN
is
now
selected.
The
following
is
a
summary
of
the
above
operation.
416]
BRASS
ORGAN]
=[_
]
4
4azZ
ORGAN
+
TONE
BANK
+
[_]
6
BRASS
ENS
Si fee

Fon At Nb ge te REED Rb AACE tie nae es ot:
Auto-rhythms
*
Reter
to
the
general
guide
found
on
page
4-5
for
exact
locations
of
this
keyboard
controls
and
connections.
¢ To play an auto-rhythm
1)
Press
the
rhythm
SELECT
button
to
switch
between
the
two
rhythms
assigned
to
each
RHYTHM
selector.
When
the
SELECT
indicator
is
lit,
you
can
select
one
of
the
upper
rhythms
(ROCK
1,
8
BEAT
1,
etc.).
When
it
is
not
lit,
you
can
select
one
of
the
lower
rhythms
(ROCK
2,
8
BEAT
2,
etc.).
(2)
Press
a
RHYTHM
selector
to
choose
an
auto-rhythm.
*
“ROCK
1”
rhythm
is
automatically
selected
whenever
you
switch
the
power
of
the
keyboard
ON.
3)
Press
START/STOP
button
to
start
the
rhythm.
4°
Adjust
the
tempo
of
the
rhythm
by
using
the
TEMPO
control
buttons.
Press-
ing
the
<>
button
will
increase
tempo,
while
pressing
the
<W>
button
will
decrease
tempo.
*
Tempo
of
the
auto-rhythm
can
be
adjusted
between
40
and
256
beats
per
minute.
Pressing
both
tempo
keys
at
the
same
time
resets
the
tempo
to
132
beats
per
minute.
"
After
playing
the
demonstration
tune,
the
tempo
of
the
auto-rhythm
is
changed.
Adjust
the
tempo
of
the
auto-rhythm
if
you
need.
5
You
can
adjust
the
relative
volume
of
the
rhythm
by
using
the
ACCOMP
VOLUME
slider.
|
6)
Press
START/STOP
button
once
again
to
stop
auto-rhythm
play.
e
Using
SYNCHRO/FILL-IN
button
Press
to
enter
synchro
start
standby.
Rhythm
starts
when
an
accompaniment
keyboard
key
(lower
1.5
octave,
C
through
F)
is
pressed.
(See
page
14
to
use
synchro
start
in
the
auto-accompaniment
performance.)
When
pressed
during
auto-rhythm
and
accompaniment
performance,
an
appropriate
fill-
in
is
inserted
in
the
rhythm
pattern.
If
the
button
is
held
down,
the
fill-in
pattern
is
repeated
until
the
end
of
the
measure
during
which
the
button
is
released,
e
Using
INTRO/ENDING
button
It
you
press
the
INTRO/ENDING
button
instead
of
pressing
the
START/STOP
button
to
start
an
auto-rhythm,
the
selected
auto-rhythm
begins
after
a
one-
measure
intro
pattern.
This
can
be
an
effective
way
to
lead
into
auto-rhythm
pertormance.
If
pressed
during
auto-rhythm
and
accompaniment
perfor-
mance,
the
rhythm
stops
after
an
appropriate
ending
pattern.
*
Using
synchro
start
with
an
intro
pattern
Press
the
SYNCHRO/FILL-IN
button
to
enter
synchro
start
standby,
and
sub-
sequently
press
the
INTRO/ENDING
button.
Rhythm
starts
when
an
accom-
paniment
keyboard
key
is
pressed,
after
a
one-measure
intro
pattern.
mn ey
Auto-accompaniment
* Refer to the general guide found on page 4-5 for exact locations of this keyboard controls and
connections.
>t e
¢ POWER/CHORD switch
Slide to switch the power ON and to select one of the Casio Chord functions.
(ee eee For normal play without auto-accompaniment.
bik Ses tee elke For auto-accompaniment pressing chords as usual.
(2 ees For auto-accompaniment using the Casio Chord system.
jo |
me OWER OFF
oo ——@®
eT (B)
(FREE CHORD) 4
ON
POWER/
CHORD
¢ ACCOMP VOLUME slider
Adjust the volume of the auto-accompaniment.
NOTES:
¢ If the POWER/CHORD switch is set to @ “FINGERED (1 or 2)” or © “ON”,
the lower 1.5 octave of the keyboard become accompaniment keyboard keys,
and the upper part of the keyboard becomes 4-note polyphonic.
TEE AEA
|=—Accompanimen
keyboard
—e
|
Meloy
keyboard
(4-note
polyphonic)
¢
During
auto-accompaniment
performance,
chord
played
on
the
accompani-
ment
keyboard
will
continue
to
sound
after
releasing
the
keys.
*
Auto-accompaniment
starts
with
rhythm,
the
moment
the
accompaniment
keyboard
key
is
pressed
if
synchro
start
is
in
standby
status.
ome, ie ee

7.
Auto-accompaniment
SS
SSS
sensesseessnssesnassssssssnsnemss
Casio
Chord
system-
The
Casio
Chord
system
has
been
developed
so
you
can
play
the
four
main
types
of
chords
more
easily.
Playing
of
the
chords
is
simplified
as
shown
below:
°
Pressing
one
of
the
accompaniment
keyboard
keys
produces
a
major
chord
corresponding
to
that
note.
*
Simultaneously
pressing
any
key
to
the
right
(two
keys
at
the
same
time)
results
in
a
minor
chord.
*
Similarly,
pressing
one
more
key
to
the
right
(three
keys
in
all)
produces
a
seventh
chord,
and
pressing
the
fourth
key
to
the
right
(four
keys
in
all)
creates
a
minor
seventh
chord.
CIDIE IF IG\A (BIC ID IE |F
< Examples >
C
(C
major
chord)—Press
@.
Cm
(C
minor
chord)—Press
@,
@
together.
| !
C7
(C
seventh
chord)—Press
@,
@,
©
together.
oe
ennai
Cm7
(C
minor
seventh
chord)—Press
0,0,0,0
re
together.
*
Not
only
@,
©,
and
@,
but
any
black
or
white
keys
can
be
used
as
long
as
they
are
to
the
right
of
@.
[1]
Auto-accompaniment
using
the
Casio
Chord
system
(One-finger
method)
)
Set
the
POWER/CHORD
switch
to
“gasaom)
ON”
(©
position).
(2)
Select
one
of
the
auto-rhythms
and
press
the
SYNCHRO/FILL-IN
button.
*
Tempo
indicator
lights,
meaning
that
the
accompaniment
keyboard
keys
are
ready
for
play.
(3)
Play
on
the
accompaniment
keyboard
keys
according
to
the
Casio
Chord
system.
*
Adjust
the
tempo
and
accompaniment
volume
using
the
respective
controls.
[2]
Auto-accompaniment
play
using
standard
chord
fingering
@
Set
the
POWER/CHORD
switch
to
“FINGERED
1”
or
“FINGERED
2”
(2)
Select
one
of
the
auto-rhythms
and
press
the
SYNCHRO/FILL-IN
button.
*
Tempo
indicator
lights,
meaning
that
the
accompaniment
keyboard
keys
are
ready
for
play.
(3)
Play
a
chord
on
the
accompaniment
keyboard
keys.
*
Adjust
the
tempo
and
accompaniment
volume
using
the
respective
controls.
*
This
unit
is
capable
of
recognizing
the
following
chords;
<M,
m,
~3,
+5,
dim,
sus4,
7
MZ
m7
MM7,
mZ5,
zus4,
9m9>
oo
|
4
ne
7.
Auto-accompaniment
<About
“Fingered
1”
and
“Fingered
2”
>
This
keyboard
features
two
different
types
of
fingered
accompaniment
patterns.
You
can
select
which
type
you
want
by
selecting
either
the
Fingered
1
mode,
or
the
Fingered
2
mode.
Respective
accompaniment
patterns
and
characteris-
tics
are
as
listed
below.
(Fingered 1 Accompaniment)
Accompaniment
consists
of
a
single
bass
line
and
two
different
backing
chord
patterns.
The
pattern
does
not
change
until
you
play
a
chord
consisting
of
at
_ least 3 notes.
(Fingered 2 Accompaniment)
Accompaniment
consists
of
a
single
bass
line
and
a
single
backing
chord
pat-
tern.
In
addition,
you
can
add
notes
manually
in
two-note
polyphony
on
the
“accompaniment
keyboard”
without
affecting
the
accompaniment
pattern.
The
pattern
does
not
change
until
you
play
a
chord
consisting
of
at
least
3
notes.
Fingered
2
accompaniment
also
allows
you
to
choose
the
way
the
chord
will
play
rhythmically.
If
you
keep
repeating
your
chord
shape
in
any
rhythmic
pat-
tern
you
choose
(quarter-notes,
eight-note
triplets
or
any
syncopation)
this
key-
board
will
play
that
chord
pattern
rhythm,
allowing
for
more
flexibility
in
your
accompaniment
patterns.
*
Auto-accompaniment
tones
are
preset
in
correspondence
to
each
auto-rhythm
type.
A
list
of
auto-rhythms
and
corresponding
accompaniment
tones
is
provided
on
page
16.
eG

Ieee
41S a kee Ana apelin iret ns BC rer etnoe i Ri cea pe AR ce oa
7.
Auto-accompaniment
ee
<
About
the
tones
used
in
the
auto-accompaniment
>
Each
auto-accompaniment
pattern
consists
of
one
bass
line
and
two
types
of
chord
lines
(chord
1
and
chord
2).
The
tones
of
these
elements
are
preset
corresponding
to
each
auto-rhythms
as
shown
below;
RHYTHMS
CHORD
1
TONES
CHORD
2
TONES
BASS
TONES
ROCK
1
BRASS
ENS,
METALLIC
SOUND
SLAP
BASS
ROCK
2
BRASS
SYNTH.
CLAV!
SLAP
BASS
8
BEAT
1
JAZZ
ORGAN
PIANO
SLAP
BASS
8
BEAT
2
METALLIC
SOUND
BRASS
ENS,
SLAP
BASS
16
BEAT
1
MARIMBA
ELEC.
PIANO
SLAP
BASS
16
BEAT
2
SYNTH,
CLAVI
BRASS
ENS.
SLAP
BASS
DISCO
1
SYNTH.
CELESTA
BRASS
ENS.
SLAP
BASS
DISCO
2
HARP
STRINGS
BRASS
ENS.
POPS
1
JAZZ
ORGAN
PIANO
WOOD
BASS
POPS
2
FLUTE
BRASS
ENS.
SLAP
BASS
SLOW
ROCK
1
PIANO
VIBRAPHONE
WOOD
BASS
SLOW
ROCK
2
PIANO
HARP
WOOD
BASS
SWING
PIANO
BRASS
ENS.
WOOD
BASS
SAMBA
SYNTHE.
CLAVI
JAZZ
ORGAN
SLAP
BASS
BOSSA
NOVA
ELEC.
PIANO
STRINGS
WOOD
BASS
WALTZ
STRINGS
ORGAN
WOOD
BASS
REGGAE
JAZZ
ORGAN
FUNKY
CLAVI
SLAP
BASS
TANGO
ACCORDION
PIANO
WOOD
BASS
BEGUINE
PIANO
JAZZ
GUITAR
WOOD
BASS
MARCH
BRASS
ENS.
FLUTE
BRASS
ENS.
¢
Using
the
auto
harmonize
function
When
you're
using
the
Casio
Chord
or
fingered
chord
function,
you
can
add
automatic
harmony
to
your
melodies
by
pressing
the
AUTO
HARMONIZE
button.
If
you
use
this
function
when
Tone
Bank
button
is
ON,
automatic
harmony
is
added
using
the
“Secondary”
sound
(see
“Tone
Bank
Sound
Combinations”,
page
10),
and
“Primary”
sound
performance
becomes
monophonic.
“When
you
select
this
function,
melody
keyboard
performance
becomes
monophonic
even
if
no
accompaniment
keyboard
keys
are
pressed.
a, =
Troubleshooting
*
For
any
malfunction,
always
check
battery
condition
first.
(see
page
6)
““4P py ys eet ; PERS SP ye ‘y
© Trouble °F 7 2
Vp
cen
se
ety
lett
osetr
pp
e
a
e
o
t!
'<!"
Possible'‘Cause?
'°!|"""
°°"
Remedy”!
er
aE
Se
ees
Oe
hee
Oe
eee
:
1.
Main
volume
turned
|
1.
Turn
up
main
No sound, even if keys
are.pressed....
..
|
down.
volume.
aris
HolthogeneH
tn
gril
2.
Headphones
con-
2.
Disconnect
head-
diols
Roe
ded
nected.
phones.
Gee
ee
1
3
Auto
power
off
has
3,
Turn
the
power
activated.
switch
off
and
then
on again.
No rhythm.
. Sete Pasa ES
: Main and accompani-
empaniment.
ment volume turned
down.
Turn up main and
accompaniment volume.
No.accol
Peis itr aks “he lihe $3 > Tre + fic bo —
‘Occasional
interférenée.
JOOHOOM
OT
IS
TIGL
Mite
g QR eg
Refrigerators, washing
machines and similar
electric appliances.
Use outlet as far away
as possible from appli-
ance thought to be the
we
aa
ak
eee
cause.
No
sound
when:con.
;/:
1.
Main
volume
turned
|
1.
Turn
up
main.
nected
to
external
_
ae
down.
volume.
amplifier,.....
<->...
|
2.
Defective
connection
|
2.
Replace
connection
cord.
cord.
?
ye

IA > EN I AOE ARR RAMEN He an
STOO er otetene, Cnt ecdur I NS lee a eee nt ee oe tm ee
Care
of
Your
Keyboard
-
Avoid
heat,
humidity,
and
direct
sunlight.
Do
not
overexpose
the
unit
to
direct
sunlight,
place
it
near
a
heater,
or
in
any
area
subject
to
high
temperature.
.
Avoid
severe
impacts
and
do
not
drop.
Severe
impacts
can
result
in
malfunction.
When
Carrying
or
transportion
the
unit,
protect
the
keyboard
and
keys
by
packing
with
soft
cloth.
Keep
the
unit
free
of
liquids,
dust,
particles,
etc.
Do
not
allow
foreign
matter
to
enter
between
the
keys.
Be
especially
careful
of
metallic
objects
such
as
hairpins,
sewing
needles
or
coins.
Also,
do
not
allow
the
unit
to
get
wet.
-
Never
attempt
to
modify
any
part
of
the
unit.
Your
keyboard
is
a
precision
musical
instrument
made
up
of
sophisticated
electronic
parts.
Any
modification
of,
or
tampering
with
internal
components
can
cause
trouble
or
malfunction.
Do
not
use
lacquer
thinner
or
similar
chemicals
for
cleaning.
Clean
the
keyboard
with
a
soft
cloth
dampened
with
a
mild
detergent
‘solu-
tion
and
squeeze
it
until
almost
dry.
Remove
batteries
before
extended
storage.
Batteries
left
in
the
unit
for
long
periods
can
leak
and
cause
damage
to
elec-
tronic
Circuitry.
In
case
of
malfunction.
..
Check
whether
buttons
and
connections
are
set
correctly
as
indicated
in
the
troubleshootiong
chart.
If
the
unit
still
does
not
work
properly,
contact
the
original
retailer
ora
nearby
dealer.
Never
attempt
to
repair
the
unit
your-
self.
This
can
result
in
serious
damage
of
the
components.
<8.
Model:
Number of keys:
Polyphonic:
Preset tones:
Tone bank sounds:
Auto-rhythms:
Rhythm source:
Auto-accompaniment
function:
Effect:
Terminals:
Tuning control:
Built-in speakers:
Auto power off function:
Power source:
Power consumption:
Dimensions:
Specifications
CT-420
49 keys
10-note polyphonic
20;
Piano,
Harpsichord,
Vibraphone,
Jazz
organ,
Pipe
organ,
Brass-ens,
Flute,
Chorus,
Jazz
guitar,
Bells,
Funky
clavi,
Metallic
sound,
Synth-ens,
Percussion,
Elec
piano,
Organ,
Accordion,
Strings,
Synth-reed,
Bass
(Wood
bass/Slap
bass)
210
20;
Rock
1-2,
8
beat
1-2,
16
beat
1-2,
Disco
1-2,
Pops
1-2,
Slow
rock
1-2,
Swing,
Samba,
Bossa
nova,
Waltz,
Reggae, Tango,
Beguine,
March
49 PCM rhythm sources
Casio
Chord
on/fingered
1/fingered
2
Auto harmonize
Output
jack
[output
impedance:
400,
Output
voltage:
2.5
V
(RMS)
MAX],
AC
adaptor
jack
(DC
9
V)
A4=442
Hz
+30
cents
12cm dia x 2
Approximately
6
minutes
after
the
last
operation
3-way AC/DC power source;
°
AC:
100,
117,
220,
240
V
(+10V),
50/60
Hz,
with
optional
AD-5
AC
adaptor
|
*
DC:
6
D
size
(SUM-V/R20P)
manganese
dry
batteries
-
|
Battery
life:
Approximately
8
hours
¢
Car
battery:
Requires
optional
CA-5
car
adaptor
6 W
960(W)
x
303(D)
x
92(H)
mm
37
13/16”
(W)
x
11
15/16”
(D)
x
3
5/8”
(H)
—19—