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102
Troubleshooting
Recording is not possible
❍
Punch-in recording has been selected (p. 75).
❍
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 indicator blink before you begin
recording (p. 65).
❍
While the Function menu appears in the display (with the
exception of Channel Mute), recording is not allowed. If
you wish to record performance data, press the
[Function] button once again to exit the Function menu.
Lyrics are not indicated properly in the display
❍
With some music files, the lyrics cannot be displayed
correctly.
❍
If you press a button while the lyrics are being shown in
the display, the lyrics will disappear. To recall them,
press the [Play] button.
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. 70).
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.
When you started a Rhythm with an Intro, the
Rhythm did not sound
❍
Some Rhythms do not have rhythm sounds in the intro.
MIDI messages received at MIDI In are not sounded
❍
The Computer switch is not set to “MIDI” position (p.
100).
❍
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.
Sound is distorted / cracked
❍
The Part Balance volume of each part is too high (p. 26).
❍
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. 26).
❍
The [Master Volume] knob has been used to raise the
overall volume excessively (p. 16).
Some keys (of certain keyboard parts) sound
strange
❍
You’ve assigned the same voice, using the same range, to
multiple parts.
The Rhythm does not change when you press the
Registration [1]–[4] buttons
❍
The settings at which Registrations are recalled (Arranger
Update) has been set to “DELAYED” (p. 94).
The volume changes during playback of perfor-
mance 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 (p.
85) to delete the Part Balance data.
Bass is heard even though you are not playing the
Bass Pedalboard
❍
The Pedal [To Lower] button (p. 45) is ON.
When the Pedal [To Lower] button is ON, the Bass will be
sounded by the Lower keyboard.
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 (p.
90).
Lower keyboard cannot be heard
❍
The Lower keyboard will not produce sound while an
Intro or Ending is being played.
The sound is not played correctly
❍
If you layer the same type of sound, or play an octave-
shifted organ sound, the timing at which you play a note
or the phase relationship between the two sounds may
affect the way in which the sounds are heard, but this is
not a malfunction.
Can’t play the demo songs
❍
A floppy disk is inserted in the disk drive.
In order to play the demo song, you must remove the
floppy disk from the disk drive (p. 37).
Can’t select Rhythms from a Music Style disk
❍
The Rhythm [Disk] button has not been selected (p. 37).
The volume level of the instrument connected to AT-
20S is too low
❍
Could you be using a connection cable that contains a
resistor?
Use a connection cable that does not contain a resistor.
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