Casio CTK-120 User Manual

Choosing
a
Power
Supply
You
can
power
your
keyboard
with
6
AA
batteries,
standard
AC
power
(with
an
optional
AC
adaptor).
Installing
the
batteries
This
keyboard
can
be
powered
by
6
AA
size
(SUM3/REP)
dry
cell
batteries.
Make
sure
that
the
POWER/MODE
selector
is
set
to
the
OFF
position
when
installing
batteries.
1.
Open
the
battery
compartment
cover
on
the
bottom
of
the
unit.
2.
Load
new
batteries
taking
care
that
the
plus
(+)
and
minus
(—)
poles
are
facing
in
the
correct
directions.
*
Standard
battery
life
is
approximately
3
hours
(SUM3)
/
6
hours
(AM3).
Important !
Any
of
the
following
conditions
indicates
that
battery
power
is
low
and
that
you
should
replace
batteries
or
shift
to
one
of
alternate
Power
sources
as
soon
as
possible.
¢
Dim
power
supply
lamp
*
Abnormally
low
speaker/headphone
volume
*
Distortion
of
sound
output
¢
Abnormal
auto-play
tune
playback
*
Abnormal
rhythm
pattern
playback
¢
Continued
sound
output
even
after
you
release
a
button
Precautions
Incorrectly
using
batteries
can
cause
them
to
leak
or
burst,
and
may
damage
your
unit.
Note
the
following
precautions:
|
*
Be
sure
that
the
plus
(+)
and
minus
(-)
poles
are
facing
in
the
correct
directions.
*
Do
not
mix
battery
types.
Do
not
mix
new
batteries
with
old
ones.
Never
leave
dead
batteries
in
the
battery
compartment.
Remove
batteries
when
not
using
the
unit
for
extended
periods.
Never
try
to
recharge
the
batteries
that
are
specified
for
the
power
supply
of
this
unit.
*
Do
not
expose
batteries
to
direct
heat,
let
them
become
Shorted
or
try
to
take
them
apart.
(If
a
battery
leaks,
clean
out
the
battery
compartment
of
the
unit
immediately,
taking
care
to
avoid
letting
the
battery
fluid
come
into
direct
contact
with
your
skin.)
E-4
502B-E-006A
Choosing
a
Power
Supply
ee
Owe
Supply
Using
AC
power
An
AC
adaptor
(AD-5,
optional)
is
required
when
using
household
current.
Use
only
genuine
CASIO
adaptor
with
the
same
voltage
rating
(100,
120,
220,
230
or
240V)
as
the
power
supply
in
your
area
to
prevent
damage
to
internal
components.
Be
sure
to
turn
the
power
of
the
unit
off
before
you
connect
the
adaptor
to
the
unit.
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
PHONES/
OUTPUT
AC outlet
f
DC 9V jack
Important !
¢
The
adaptor
may
become
warm
when
it
is
being
used.
This
is
normal
and
does
not
indicate
any
problem.
*
Be
sure
to
unplug
the
adaptor
from
the
power
source
when
you
are
not
using
the
unit.
*
Whenever
connecting
or
disconnecting
the
adaptor,
be
sure
that
the
power
of
the
unit
is
switched
off.
*
Never
use
a
power
supply
that
does
not
match
that
specified
for
the
unit.
Doing
so
can
damage
the
adaptor
or
your
unit.
502B-E-0078
Ce

Casio CTK-120 Specifications

Power

power source	2-way AC/DC
AC voltage	100, 120, 220, 230 or 240V (+ 10V)
power consumption	5.0W

Sound and Audio

number of keys	49
polyphony	8-note (max)
built-in speakers	10cm dia. (output = 1W)X2

Weight and Dimensions

dimensions	85.7 x 28.5 x 8.6 cm
weight	3.2 kg