Casio Casiotone LK-S450 User Manual page 179

Symptom
Nothing happens when I start an Auto
Accompaniment.
Nothing happens when I start playing a
song's Auto Accompaniment.
The metronome does not sound.
Notes keep sounding, without stopping.
Some notes are cut off while they are
playing.
Sounds skip while I am practicing in the
EASY Mode.
The volume level or tone setting I
configured has changed.
With certain volume levels and tones,
the sound of notes played in one
keyboard range will sound different from
those played in another keyboard
range.
Required Action
• With rhythms 191 to 200, nothing sounds if you do not
play a chord on the keyboard. Try playing a chord
(page EN-109).
• Check and adjust the rhythm volume level (page
EN-100).
• Auto Accompaniment does not start if a is pressed
while there are no user rhythms stored in rhythm
numbers 201 through 210 (page EN-118).
• Try turning the Digital Keyboard off and then back on
again (page EN-25) to initialize settings.
• It takes a little time after you press the button until the
song starts to play. Wait for the song to start.
• Check and adjust the song volume level (page
EN-74).
• Song play does not start if a is pressed while there
is no song data stored in song numbers 161 through
368 (pages EN-80, EN-122).
• Try turning the Digital Keyboard off and then back on
again (page EN-25) to initialize settings.
• Check and adjust the metronome volume level (page
EN-32).
• Try turning the Digital Keyboard off and then back on
again (page EN-25) to initialize settings.
• Try turning the Digital Keyboard off and then back on
again (page EN-25) to initialize settings.
• Replace the batteries with new ones. Or use AC
adaptor power (page EN-8).
This happens whenever the number of notes being
sounded exceeds the maximum polyphony value of 48
(24 for some tones). It does not indicate malfunction.
In the EASY Mode, play on the keyboard by following
the timing of the keys that light.
If you press multiple keyboard keys simultaneously at
the wrong timing, sounds may seem like they are
skipping.
If this happens, make sure that you press one keyboard
key at a time.
• Adjust the volume level (page EN-28).
• Try turning the Digital Keyboard off and then back on
again (page EN-25) to initialize settings.
• Replace the batteries with new ones. Or use AC
adaptor power (page EN-8).
This is due to system limitations and does not indicate
malfunction.
EN-178
Reference