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Troubleshooting
If the GR-55 is not producing sounds or if you think it is not operating properly, first check the following points. If checking these points fails to resolve
the problem, consult your dealer or the nearest Roland service center.
During normal performance using the GR-55 alone
Problem
No sound/Low volume
Unwanted synthesizer sound is
heard when you play softly
Synthesizer sound is inconsistent
in volume
Volume is uneven among the
strings
When using the GR-55's pedal
effects or expression pedal, the
result is different for each patch
The pitch of the synth sound does
not change in the same way as the
pitch of the guitar
The pitch changes in half-steps
when bending or etc .
Oscillation occurs
Cannot change parameters with
pedals or buttons
Patches not switching
Unable to control parameters set
with Assign as expected
86
Items to check
Is the [OUTPUT LEVEL] knob turned
down completely?
Could the volume of the GK pickup be
turned down?
Could the select switch of the GK
pickup be set to "GUITAR"?
Could the expression pedal be
released?
Could the PATCH LEVEL be turned
down?
Is there a short in any connecting
cable?
Are the GR-55 and other devices
connected properly?
Is the power to the connected amp or
mixer not turned on, or is the volume
turned down?
Is the tuner on?
If there are no sounds through USB,
are the [SYSTEM] - USB settings
correct?
Is the [SYSTEM] - USB - DIRECT MON
switched off?
Check the setting for "VELOCITY"
under "GK SETTING. "
Was the "GK SENS" setting adjusted
correctly for each string?
Is the GK pickup attached correctly?
The effect produced using the
expression pedal is different for each
sound (patch).
The pitch of some tones (such as
percussion instruments and sound
effects) will change in a different way
than the pitch of your guitar.
On some sounds (patches) such
as piano or organ, the pitch will
not change smoothly, but change
only in semitone steps. This is done
intentionally in order to make the
instrument sound more realistic.
In the effect settings, could a gain
value or volume-related parameter be
set too high?
Are you using INTERNAL PEDAL with
Control Assign?
Is some screen other than the Play
screen shown in the display?
Are the effects switched off?
Are the MIDI channels matched?
Are the controller numbers (CC#)
matched?
Action
Adjust the knob to an appropriate setting.
Raise the volume of the GK pickup to an appropriate level.
Set the switch of the GK pickup to GK (or SYNTH) or MIX.
Depress the expression pedal.
Try raising the PATCH LEVEL in the EZ EDIT or other screen.
Try replacing the connecting cable.
Check the connections with the other devices.
Check the settings for the connected device.
The direct sound is not output when the tuner is on if the volume setting
during tuning is set to "MUTE ON. "
Adjust the settings to the appropriate values.
Set this to ON.
If you raise the LOW VELOCITY CUT value, unwanted triggering will be
reduced; softly played notes will be less likely to sound.
Adjust the "PLAY FEEL" parameter.
The "5" setting gives you a completely fixed velocity and sound regardless
of your playing strength (picking).
Perform the adjustment.
Refer to the manual of your GK pickup, and attach the GK pickup correctly.
On the Roland website, the "GK-3/3B Installation Tips" page provides an
explanation and photos on how to attach a GK pickup. Be sure to take a
look!
http://www.roland.com/GK/
Check the effect of each patch beforehand.
It does not indicate a malfunction.
It does not indicate a malfunction.
Decrease the value.
When INTERNAL PEDAL or WAVE PEDAL is used for the assign source, the
effect parameters set as the assign targets change automatically.
If you want to change parameters with the knobs or PATCH/VALUE dial, first
switch off Control Assign and cancel the INTERNAL PEDAL setting.
With the GR-55, you cannot switch patches in any screen other than the
Play screen. Press the [EXIT] button one or more times to return to the Play
screen.
Check to make sure the effects incorporating the parameters being
controlled are on.
When carrying out operations using MIDI, check to confirm that both
devices are set to the same MIDI channel.
Check to confirm that the controller numbers you are using are the same.
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