CTK691E01-01.book 84 ページ 2003年9月29日 月曜日 午後4時47分

Troubleshooting

Problem

Possible Cause

 

Action

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Playing the keyboard sounds two tones.

Layer is turned on.

Press the LAYER button to turn off layering.

E-66

 

 

 

 

Different tones sound when keys in

Split is turned on.

Press the SPLIT button to turn off

E-67

different keyboard ranges are pressed.

 

split.

 

 

 

 

 

 

The key or tuning does not match

1. The tuning or transpose parameter is

1.

Change the transpose or tuning

E-69, 70

when playing along with another

set to a value other than 00.

 

parameter value to 00.

 

MIDI machine.

2. Mixer coarse tune, fine tune, and/or

2.

Use the Mixer to change the

E-42

 

octave shift settings are values other

 

coarse tune, fine tune, and/or

 

 

than 00.

 

octave shift settings to 00.

 

 

 

 

 

Parts suddenly drop out during

The number of tones being played at the

Use the Mixer to turn unneeded

E-40

song memory playback.

same time exceeds the keyboard’s

channels off and decrease the

 

 

limitation.

number of parts being played.

 

 

 

 

 

 

Some parts do not play at all

1. Channels are turned off.

1.

Use the Mixer to turn channels

E-40

during song memory playback.

 

 

on.

 

 

2. Volume setting is too low.

2.

Use the Mixer to check the

E-40, 41

 

 

 

volume setting.

 

 

 

 

 

 

Nothing happens when the

1. One or more of the melody channels

1.

Use the Mixer to turn on

E-40

LAYER or SPLIT button is

(2 through 4) is turned off.

 

Channels 2 through 4.

 

pressed.

2. The volume setting of one or more of the

2.

Use the Mixer to raise the volume

E-40, 41

 

melody channels (2 through 4) is too low.

 

setting of Channels 2 through 4.

 

 

3. The keyboard is in record standby.

3.

The LAYER and SPLIT buttons

E-66, 67

 

 

 

are disabled during recording

 

 

 

 

and record standby.

 

 

4. The SMF Player Mode is currently

4.

Turn off the SMF Player Mode.

E-76

 

being use.

 

LAYER and SPLIT are not available

 

 

 

 

while the SMF Player Mode is in use.

 

 

 

 

 

 

No sound is produced when

1. MIDI cables are not connected

1.

Connect MIDI cables properly.

E-80

playing MIDI data from a

properly.

 

 

 

computer.

2. Channel is turned off, or volume

2.

Use the Mixer to turn the channel

E-40, 41

 

setting is too low.

 

on, or raise the volume setting.

 

 

 

 

 

Playing on the keyboard produces

The computer’s MIDI Thru function is

Turn off the MIDI Thru function on

E-75

an unnatural sound when

turned on.

the computer or turn off Local

 

connected to a computer.

 

Control on the keyboard.

 

 

 

 

 

Cannot record chord

Accomp/Song MIDI Out is turned off.

Turn on Accomp/Song MIDI Out.

E-75

accompaniment data on a computer.

 

 

 

 

 

 

 

 

 

The keyboard starts up

Flash memory is corrupted.

1.

Remove the batteries from the

E-75

abnormally when it is turned on.

 

 

keyboard and disconnect the AC

 

 

 

 

adaptor and press the POWER button.

 

 

 

2.

Reload the batteries and/or

 

 

 

 

reconnect the AC adaptor, and

 

 

 

 

then press the POWER button

 

 

 

 

again to turn on power

 

 

 

3.

Use the TRANSPOSE/

 

 

 

 

FUNCTION button to perform

 

 

 

 

the system reset operation

 

 

 

 

Š If this does not solve the

 

 

 

 

problem, contact your nearest

 

 

 

 

authorized CASIO Service

 

 

 

 

Provider to request repair.

 

 

 

 

 

A downloaded tone with

Someone may have turned off the

Use the TRANSPOSE/FUNCTION button

E-75

waveform contains noise or

keyboard while data was being stored in

to perform the system reset operation.

 

keyboard operations become

Flash memory or something else has

If this does not correct the problem,

 

abnormal when user data is

caused Flash memory contents to become

contact your nearest authorized CASIO

 

selected.

corrupted for some reason.

Service Provider to request maintenance.

 

 

 

 

 

 

E-84

705A-E-086B