Chapter 6 Appendices
TroubleshootingIInternal effects not applied to the guitar sound
AThe GR-20Os internal effects can only be applied to the
During Normal Performance
synth sound. They cannot be applied to the normal guitar
Using the GR-20 Alonesound.
?By using the guitar out jack you can apply an external
IPlaying your guitar does not produce a synth soundguitar effects processor only to the guitar sound. (If you
want the synth sound and guitar sound to share a single
ACould the OUTPUT LEVEL have been lowered?amp, use the MIX IN jacks as well.) (p. 17)
?Use the rear panel [OUTPUT LEVEL] knob to raise the
level appropriately (p. 12).
IThe pitch of the synth sound does not change in the
ACould the volume of the GK pickup be turned down?same way as the pitch of the guitar
?Raise the volume of the GK pickup to an appropriate
AThe pitch of some tones (such as percussion instruments
level.and sound effects) will change in a different way than the
ACould the select switch of the GK pickup be set to pitch of your guitar; it does not indicate a malfunction.
GUITAR?
?Set the switch of the GK pickup to GK (or SYNTH) or IYou sometimes hear a thin, modulated noise in an
MIX.extremely high frequency range
ACould the expression pedal be released?AThis is a phenomenon known as Oaliasing noise,� unique
?Depress the expression pedal.to digital sound generators. You may hear this when
ACould the LEVEL be turned down?playing a slide or when using the glide function. This
does not indicate a malfunction.
?Try turning the [LEVEL] knob (p. 20).
IVolume is uneven among the stringsIThe pitch changes in half-steps when bending or etc.
AWas the OGK SENS� setting adjusted correctly for each AOn some sounds (patches) such as piano or organ, the
pitch will not change smoothly, but change only in
string?semitone steps. This is done intentionally in order to
?Perform the adjustment (p. 12).make the instrument sound more realistic; it does not
indicate a malfunction.
IWhen using Pitch Glide (or the pitch function of the
expression pedal), the pitch does not rise all the wayISynth sound is delayed when you play from a bass
ADepending on the tone or the region of pitch, the range of guitar
upward change may be restricted for functions that ?The GR-20 analyzes the output of the divided pickups,
and produces the synth sound after the pitch and
modify the pitch continuously.
?Use a narrower range of change (p. 22, p. 23).loudness have been detected.
Due to the laws of physics, lower pitches take more time
to analyze. This means that with a bass guitar, and its
IWhen using the GR-20Os pedal effects or expression inherently lower pitches, you should expect that it may
pedal, the result is different for each patchtake longer for the synth sound to begin.
AThe effect produced using the expression pedal is
different for each sound (patch).
?Check the effect of each patch beforehand.
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ACEC
