Troubleshooting
Recording is not possible
❍
❍If you wish to erase a
❍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
❍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
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.
