Electronic Keyboard User Manual
273
Troubleshooting
Troubleshooting
Appendices
Recording is not possible
If you wish to erase a previously-
recorded track and then re-record, 
press the track button for the desired 
track to make that button blink before 
you begin recording.
Press the track button for the desired 
track to make that button indicator 
blink before you begin recording.
p. 177
If you wish to erase a previously-
recorded track and then re-record, 
touch the track button for the track you 
want to record in the Rec/Play screen, 
stopping the button from flashing.
On Rec/Play screen, touch the track 
button for the desired track to make 
that button indicator blink before you 
begin recording.
p. 177
The recorded performance has 
disappeared
Any performance that has been 
recorded is deleted when the power to 
the unit is turned off.
A performance cannot be restored 
once it’s been deleted, so be sure to 
save it on a floppy disk before you turn 
off the power.
p. 180
The bass note of the Automatic 
Accompaniment does not sound
When a voice is selected for the Pedal 
Bass part, the bass of the Automatic 
Accompaniment will not sound.
This is not a malfunction.
- - -
MIDI messages received at MIDI In 
are not sounded
The Computer switch is not set to 
“MIDI” position.
Set the Computer switch to “MIDI.”
p. 244
The Computer switch was set to “MIDI” 
after the power was turned on.
Turn off the power, and then turn the 
power on once again.
p. 244
Sound is distorted / cracked
The Part Balance volume of each part 
is too high.
Press the Part Balance button to lower 
the volume.
p. 72
The Reverb volume has been raised 
when the volume of each Part Balance 
button is already raised.
Either lower the Reverb volume, or 
adjust the Part Balance of each part.
p. 72
p. 150
The [Master Volume] slider has been 
used to raise the overall volume 
excessively.
Use the [Master Volume] slider to lower 
the overall volume.
p. 24
Some keys (of certain keyboard 
parts) sound strange
You are playing notes outside the 
recommended range of the voice.
This is not a malfunction.
- - -
The Rhythm does not change 
when you press the Registration 
buttons
The settings at which Registrations are 
recalled (Registration Arranger 
Update) has been set to “DELAYED.”
Set the timing at which the arranger 
settings are called up (Registration 
Arranger Update) to “INSTANT.”
p. 109
p. 217
The volume changes during 
playback of performance data
When recording is performed 
repeatedly while changing the Part 
Balance volume, the previously-
recorded Part Balance data remains in 
the Control track.
If you wish to get rid of the volume 
changes, use the Erase function to 
delete the Part Balance data.
p. 193
Bass is heard even though you are 
not playing the Bass Pedalboard
The Pedal [To Lower] button or the 
[Bass Split] button is ON.
When the Pedal [To Lower] button is 
ON, the Bass will be sounded by the 
Lower keyboard.
In the Pedal part, press the Pedal [To 
Lower] button or [Bass Split] button to 
turn the button off (dark).
p. 161
p. 163
When playing the same sound in 
the Upper keyboard and Lower 
keyboard, the volume is different
On one of the keyboards, “Initial 
Touch” is turned ON.
Set the initial touch settings of the 
Upper keyboard and the Lower 
keyboard to both On, or both Off.
p. 210
Lower keyboard cannot be heard
The Lower keyboard will not produce 
sound while an Intro or Ending is being 
played.
This is not a malfunction.
- - -
Problem Check Solution Page
AT-900_e.book 273 ページ 2007年9月7日 金曜日 午前8時43分










