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Roland Polyphonic GR-300 - VCO VIBRATO

Roland Polyphonic GR-300
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VCO
VIBRATO
Next,
let's
try
different
ways
of
modulating
or
controlling
the
VCO's.
First
is
vibrato,
which
is
a
slight
wavering
of
pitch.
Vibrato
can
be
produced
in
the
normal
guitar
way
by
using
the
finger
to
vary
the
tension
on
the
string,
or
it
can
be
produced
electronically
for
a
wide
number
of
effects.
Set the
VIB
DEPTH
(vibrato
depth)
knob
on
the
Guitar
Controller
at
"10".
This
may
ог
may
not
produce
the
vibrato
effect.
М
not,
touch
the
metal
upper
end
(Touch
Plate
1)
of
the
hummbucking
pickup
near
the
bridge
of
the
Guitar
Controller
to
turn
the
vibrato
effect
ON.
To
turn
it
OFF,
touch
the
opposite
end
(Touch
Plate
2)
of
the
pickup.
The
vibrato
will
decay
after
releasing
the
touch
plate.
With
the
vibrato
ON,
try
various
positions
of
both
the
VIB
DEPTH
control
on
the
Guitar
Controller
and
the
LFO
RATE
(ЕО
=
low
frequency
oscillator)
control
on
the
Guitar
Synthesizer
and
note
the
effects.
VIB
DEPTH
controls
the
depth
of
the
vibrato
effect
and
the
LFO
RATE
controls
the
speed
of
the
vibrato.
The
electronic
vibrato
affects
only
the
УСО”.
In
the
DUET
mode,
the
combination
of
the
non-vibrato
fundamental
string
pitches
with
the
vibrato
VCO
pitches
produces
the
chorus
effect
sound.
The
Guitar
Controller
Instruction
Manual
contains
additional
information
on
the
vibrato
ON/OFF
function.
If
a
foot
switch
is
used with
the
rear
panel
COMP
jack,
the
ON/OFF
function
of
the
compression
can
be
controlled
with
a
foot
switch.
TOUCH
PLATE
2
Turns
VIBRATO
effect
OFF,
or
for
touch-Vibrato.
VIBRATO
DEPTH
TOUCH
PLATE
!
Turns
the
VIBRATO
effect
on
е
——————CONTROLS
THE
.
SPEED
OF
THE
VIBRATO
е
stow
®
*rAsT
LFO
RATE

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