Casio CPS-300 - Page 8

*For any malfunction, always check battery condition first. (see page 6)
Possible Cause
1. Volume control turned
down.
2. Headphones connected.
3.
Auto
power
off
function
has activated.
Trouble
No sound even if
kevs are pressed.
1.
Adjust
volume
control.
2. Disconnect headphones.
3. Switch the power off and
then on again.
Use outlet as far away as
possible from appliance
thought to be the cause.
1.
Adjust
volume
control.
Occasional inter-
ference
Refrigerators, washing
machines
and
similar
electric
appliances.
1. Volume control turned
down.
2.
Defective
connection
cord.
No sound when con-
nected to externa!
amplifier.
2.
Replace
connection
cord.
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1.
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.
2.
Avoid
severe
impacts
and
do
not
drop.
Severe
impacts
can
result
in
malfunction.
When
Carrying
or
transporting
the
unit,
protect
the
keyboard
and
buttons
by
packing
with
soft
cloth.
3.
Keep
the
unit
free
of
liquids,
dust,
particles,
etc.
Do
not
allow
foreign
matter
to
enter
between
the
keys.
Be
especially
careful
of
metallic
ob-
jects
such
as
hairpins,
sewing
needles
or
coins.
Also,
do
not
allow
the
unit
to
get
wet.
4.
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.
5.
Do
not
use
lacquer
thinner
or
similar
chemicals
for
cleaning.
Clean
the
keyboard
with
a
soft
cloth
dampened
with
a
mild
detergent
solution
and
squeeze
it
until
almost
dry.
6.
Remove
batteries
before
extended
storage.
Batteries
left
in
the
unit
for
long
periods
can
leak
and
cause
damage
to
electronic
circuitry.
7.
In
case
of
malfunction...
Check
whether
buttons
and
connections
are
set
correctly
as
indicated
in
this
manual.
If
the
unit
still
does
not
work
properly,
contact
the
Original
retailer
or
a
nearby
dealer.
Never
at-
tempt
to
repair
the
unit
yourself.
This
can
result
in
serious
damage
of
the
components.
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