Casio CTK-451 - Manual (Page 34)

E-32
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Action
1. Correctly attach the AC adaptor,
make sure that batteries poles (+/
–) are facing correctly, and check to
make sure that batteries are not
dead.
2. Set the POWER/MODE switch to
the NORMAL position.
3. Use the MAIN VOLUME button to
increase volume.
4. Normal play is not possible on the
accompaniment keyboard while the
POWER/MODE switch is set to
CASIO CHORD or FINGERED.
Change the POWER/MODE switch
setting to NORMAL.
Replace the batteries with a set of new
ones or use the AC adaptor.
Use the ACCOMP VOLUME button to
increase the volume.
Change the transpose or tuning pa-
rameter value to 0 or 00.
1. Check the display to see if the indi-
cator for one of the parts is not dis-
played. If so, press the part’s but-
ton (LEFT ON/OFF, RIGHT ON/
OFF) to turn it on.
2. Adjust accompaniment volume.
Problem
No keyboard Sound
Any of the following symptoms
while using battery power.
• Dim power supply indicator
• Instrument does not turn on
• Display that is flickering,
dim, or difficult to read
• Abnormally low speaker/
headphone volume
• Distortion of sound output
• Occasional interruption of
sound when playing at high
volumes
• Sudden power failure when
playing at high volumes
• Flickering or dimming of the
display when playing at high
volume
• Continued sound output
even after you release a key
• A totally different tone may
sound
• Abnormal rhythm pattern
and Song Bank play
• Loss of power, sound distor-
tion, or low volume when
playing from a connected
computer or MIDI device
Auto Accompaniment does not
sound.
The key or tuning does not
match when playing along with
another instrument.
Missing Song Bank tune.
Possible Cause
1. Power supply problem.
2. Power is not turned on.
3. Volume setting is too low.
4. The POWER/MODE switch is in
the CASIO CHORD or FINGERED
position.
Low battery power
Auto accompaniment volume is set to
0.
The tuning or transpose parameter is
set to a value other than 0 or 00.
1. Left-hand or right-hand part is
turned off.
2. Accompaniment volume is set to 0.
Troubleshooting
622A-E-034A
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