Roland Atelier AT-90SL Owner's Manual page 218

Problem
The Bass Range Sounds Odd,
or There Is a Vibrating
Resonance.
The volume level of the
instrument connected to AT-
90SL is too low.
Pressing the expression
pedal while playing back
Atelier performance data
produces a crackling noise
Tempo not changing even
when the source tempo is
reselected (when arranging
rhythms using the Rhythm
Customize function).
Unable to save created
rhythm to the User Memory
There is no sound from the
twelve keys at the right of the
lower keyboard.
Check
Playing at loud volumes may cause
instruments near the AT-90SL to
resonate. Resonance can also occur
with fluorescent light tubes, glass
doors, and other objects. In
particular, this problem occurs more
easily when the bass component is
increased, and when the sound is
played at higher volumes.
When listening through
headphones:
Here, a different cause (such as
resonance produced by the AT-
90SL) would be suspect.
Could you be using a connection
cable that contains a resistor?
The expression pedal function is set
to "PEDAL+COMPOSER" during
playback of Atelier performance
data.
When this setting is used, moving
the expression pedal while playing
back Atelier performance data may
create a difference between the
expression pedal information in the
performance data and the volume as
set with the expression pedal, which
can result in this kind of sound being
produced.
Auto Std Tempo (Auto Standard
Tempo) is set to on.
When the Auto Std Tempo setting is
set to ON and rhythms are switched
while the rhythm is stopped, the
tempo is automatically set to the
tempo for that rhythm.
The tempo setting does not change
automatically, even if the rhythms
are switched with the Auto Std
Tempo setting set to OFF and the
rhythm stopped.
"Memory Full" appears in the
display.
The available memory remaining in
the AT-90SL is not sufficient.
The V-LINK function is set Mode 2.
When V-LINK setting is Mode 2, the
group of twelve keys starting at the
very right of the lower keyboard are
used for controlling video images.
Therefore, no sounds are played
even when you press these keys.
Solution
Use the following measures to
suppress such resonance.
• Place speakers so they are 10-15
cm from walls and other surfaces.
• Reduce the volume.
• Move the speakers away from any
resonating objects.
Consult your Roland dealer or
nearest Roland Service Center.
Use a connection cable that does not
contain a resistor.
Set the expression pedal function to
"PEDAL" during playback.
Turn "Auto Std Tempo" off.
First delete some other rhythm
saved to the user memory, then save
the rhythm you have created to the
user memory once again.
Turn the V-LINK function off, or
select Mode 1 for the V-LINK
function.
Troubleshooting
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