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About MIDI Troubleshooting Error message list Glossary Shortcut keys
Troubleshooting
If the MV-8000 does not function in the way you
expect, first check the following points. If this does
not resolve the problem, consult your dealer or a
nearby Roland Service Station.
* If any sort of message is being displayed on the screen during
an operation, refer to
“Error Messages.”
Problems Concerning the Entire
MV-8000
The power does not turn on.
Make sure that the MV-8000's AC cord is connected
correctly to its power inlet and to the AC outlet
(Quick Start; p. 4).
Issues Related to Sound
There is no sound.
• Is the power for connected amps and speakers
turned on? Is the volume turned all the way
down?
• Is the VOLUME knob turned all the way down?
• Have connections been made correctly?
• Can you hear sound through headphones?
If there is sound in the headphones, it is possible
that the connection cables are broken, or that your
amp/mixer has malfunctioned. Check your
cables and amp/mixer system once again.
• The Part level settings may be too low.
Access the level parameter, and check the level of
each part.
• The Patch amplifier or Partial amplifier settings
may be too low.
Access the amplifier parameter, and check the
level of each patch/partial.
• Are the Effect settings correct?
Check the Effect settings ON or OFF, in the Effect
Balance or Level.
➝
[EFFECTS]
• Are the settings for the output destination
correct?
Check the various output assign settings.
• Has the volume been lowered by MIDI messages
(volume messages or expression messages)
received from an external MIDI device?
• Have the samples been loaded correctly?
A specific Part does not sound
Check the following points.
• Has the volume level of the part been lowered?
Adjust the Level parameter to raise the volume of the part that is
not heard.
• Is the part being muted?
Set the Mute Switch parameter to “OFF.”
Specific pitch ranges do not sound
• Has a restricted range of notes been set?
If a specific range of notes does not sound, check
the Key Range settings for the Patch Tone, the
Performance Part.
The sound is distorted.
• Is an effect which distorts the sound being
applied?
• If the sound for a specific patch or part is
distorted, lower the volume level on that part.
• If all sounds are distorted, use the MASTER knob
to lower the volume level.
Pitch is incorrect.
• Is the tuning of the MV-8000 incorrect?
Check the Master Tune parameter setting.
• Has the pitch been changed by pedal operations
or by Pitch Bend messages received from an
external MIDI device?
• Have the Coarse Tune or Fine Tune parameters
been set for specific Parts?
Check the Coarse Tune parameter and Fine Tune
parameter settings.
The sound is interrupted.
Sounds will be interrupted if more than 64 voices
are used simultaneously.
• Reduce the number of Tones that you are using.
• Increase the Voice Reserve setting for parts that
must not drop out.
When I press a pad, the sound does not stop sounding.
• Could the [HOLD] pad be lit?
Press the [HOLD] pad once again so the light
goes out.
• Is the pedal polarity of the Hold Pedal reversed?
Check the Hold Pedal Polarity parameter setting.
Sometimes, when playing legato, the pitch won't rise.
Why is this?
• When the Legato Switch parameter is “ON,” and
the Legato Retrigger parameter is “OFF,” and you
hold down keys in the high register to play
legato, the upper pitch limit of the wave may be
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