◆ The “Mod” setting for the pedal effect (WAH) also
has an independent setting in effect (undulation)
depth for each tone.
→ Check the depth of the effect choose a tone
with a depth that matches the song.
● One tone is not heard when the
expression pedal is used to change
the tone’s volume balance
◆ Is the TONE MIX “LAYER” setting set so that only
the first or the second tone (but not both) is played?
→ Change the setting so that the first and second
tones are both played (p. 34).
◆ Is the TONE MIX “1:2 BAL” setting (p. 35) set to
“50” (or “-50”)?
→ Change the setting to a value closer to “0” and
check operation.
● The effect doesn’t change even
when the expression pedal is
pulled back all the way
◆ Is the minimum volume for the expression pedal
too high?
→ Lower the minimum volume.
● The built-in effects don’t have any
effect
◆ Is the EFFECT “REVERB TYPE” setting (p. 42) or
“CHORUS TYPE” setting (p. 43) set to “oFF” (off)?
→ Choose a type other than “oFF” (off).
◆ Is “REVERB LEVEL” too low?
→ Set “REVERB LEVEL” to an appropriate value.
◆ Is the EFFECT BYPASS indicator lit up?
→ Press [+] while holding down [EDIT/PLAY] to
release the Bypass function.
◆ The GR-30’s built-in effects are exclusively for use
with the internal synth sounds. They are not
applied to the sounds of the guitar itself.
→ You can apply external effects for the guitar to
only the guitar sounds by using the GUITAR
OUT jack. (If you wish to use a single amp for
both the guitar and synth sounds, you should
also use the GUITAR RETURN jack as well.)
◆ Has the expression pedal assigned with the “rE.L”
(reverb level) function (p. 49) been returned to its
raised position?
→ Depress the expression pedal.
● The pitch of the synth sounds
doesn’t change in the same way as
the pitch of the guitar sounds
◆ Some tones (such as percussion instruments and
effect sounds) show different changes in pitch than
with the guitar. This is not a defect.
◆ If Harmonist is on, scale changes for synth sounds
are different from the guitar when “ARPEGGIO/
harmony SEL” (p. 66) is set to “hAr” or “h.-b.”
● Noise with subtle undulations is
hear in extremely high registers
◆ This is a phenomenon peculiar to digital sound
generators known as “aliasing noise.” It may be
audible when using the slide technique or the Pitch
Shift function, but it is not a defect. The GR-30 is
designed to minimize such noise during guitar
play.
● Pitch doesn’t change smoothly
◆ Is COMMON “CHROMATIC set to a value from
“on1” to “on3”?
→ Set CHROMATIC to “oFF” (off) for patches that
require continuous changes in pitch.
◆ Is the Bend Data Thin function (p. 79) in use?
Using this function may result in a slight loss of
smoothness when pitch changes, even during nor-
mal play.
→ Do not use the Bend Data Thin function when it
is not needed.
● The message “bAt” flashes on the
display when the power is turned
on
◆ This is a warning that means that the internal bat-
tery which maintains patch and system data is
almost dead. If this message appears, data may be
lost is the battery is not replaced quickly.
→ Contact your music vendor or your nearest
Roland Service Spot.
86
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