Casio CTK-650 - Part 6: Technical Reference; Troubleshooting Common Issues; Keyboard Care and Specifications

nee Technical Reference _
B Troubleshooting
Be sure to check the following table whenever you experience problems with
keyboard operation.
[ Problem Possible Causes | Action
|
ht. Power supply problem 13. Connect AC adaptor
correctly and make sure
that batteries are loaded
with the positive (+) and
negative (-) poles facing
| correctly
2. VOLUME setting is too low |2. Move the VOLUME slider
| more towards the
maxim ny setting.
Unplug the headphones.
No sound when playing
the keyboard,
nN
in
3. Headphones are plugged [3
{
: |
- You are attempting to play |4
4
Enter the NORMAL mode
normally on the (all mode indicators unlit)
accompaniment keyboard
, . while CASIO CHORD or
‘ FINGERED is selected |
Magical Presets 104 through | 5. With these Magical Presets,
107 are selected. ; the far right nine keys
} Bormally do not sound
MIDI Local Control is off. |6. Switch MIDI Local control
; oon
7. Command from external | 7. Use the external MIDI
MIDI device has set the} — device to adjust the volume
|
|
|
|
|
|
wn
EN
|
| volume of channel 1 tozero.|— of channel 1
| ee i a
| H n oO 7
Rhythm and j Accompaniment vohime is set i the ACCOMP VOLUME
auto-accompaniment
do
not]
to
000.
|
button
to
raise
the
volume
of
play. | the accompaniment
| ine — cet —
Following
symptoms
occur|
Low
battery
power.
!
Replace
the
batteries
with
new
when using batteries. | 8.
* Dim power supply indicator |
«Abnormally low speaker/;
headphone volume |
¢ Distortion of sound output i
*A totally different tone may|
sound |
¢ Abnormal rhythm pattern and i
demo tune play
* Continued sound output even |
after you release a button
*Occasional interruption of
sound when playing at high
volumes |
¢Sudden power failure when
playing at high volumes
bee ee
Ret ey
Care
of
your
keyboard
»
Avoid
heat,
humidity
or
direct
sunlight.
Do
not
overexpose
the
unit
to
direct
sunlight,
or
place
near
an
air
conditioner,
or
in
any
extremely
hot
place...
an,
facden
Take
care
not
to
drop
the
unit
and
avoid
strong
impact.
Strong
impact
may
cause
malfunctions.
When
carrying
or
transporting
the
unit,
protect
the
keyboard
and
switches
with
soft
cloth
or
other
material.
Keep
the
unit
free
of
liquids,
dust,
etc.
Do
not
allow
foreign
matter
to
get
between
the
keys,
especially
metallic
objects
such
as
hairpins,
sewing
needies
or
coins.
Also,
do
not
let
the
unit
get
wet.
Never
attempt
to
modify
any
parts
of
the
unit.
Fi
The
unit
is
a
precision
instrument,
made
of
electronic
parts.
Any
modification
of,
or
tampering
with
inner
parts
May
cause
malfunction.
Do
not
use
lacquer,
thinner
or
similar
chemicals
for
cleaning.
Clean
the
keyboard
with
a
soft
cloth
dampened
in
a
weak
solution
of
water
and
a
neutral
detergent.
(Soak
the
cloth
in
the
solution
and
squeeze
until
itis
almost
dry.)
lin
& Specifications
Model:
CTK-650
Keyboard:
61
standard-size
keys;
5
octaves;
Touch
Response
(can
be
switched
on
and
off,
sensitivity;
3
sets)
Tones:
128
presets
Polyphony:
32
-
note
(max.)
Magical
preset:
BREAK
BEAT
16
MELODYCOMP
©
8
SHADOW
DRUM
4
FREESESSION
—
32
TONE
STACK
40
KEY
SPLIT
12
HYPERACTIVE
16
Auto-accompaniment:
Rhythm
patterns
128presets
Tempo
Adjustable
(40
~
255)
Chords
Three
systems:
CASIO
CHORD,
FINGERED,
FULL-RANGE
CHORD
Other
Variation
pattern,
fill-in
pattern,
intro/
ending
pattern
for
each
rhythm
Song
memory:
song: : one
System:
Real-time
recording
Memory
capacity:
Up
to
1.300
notes
Registration
memory:
4
setups
Contents:
Tone
number,
rhythm
number,
tempo,
accompaniment
volume,
chord
type
(NORMAL,