Technical data
SOURCE
■*•-.
ROUTING
MODULATION
19
RATE
Controls
the
rate
of
the
modulation
oscillator
and
sample
and
hold
clock,
calibrated
from
.3
Hz
to
30
Hz.
Normal
vibrato
rate
is
found
between
positions
"4"
and
"6."
20
SOURCE
Determines
signal
as
follows:
the
source
of
the
modulation
BEND—Provides
a
DC
voltage
as
a
modulation
signal.
Use
of
this
SOURCE
setting
in
conjunction
with
the
OSC A&B
setting
on
the
ROUTING
control
makes
a
wide-range
pitch
bender
out
of
the
MOD
AMOUNT
wheel.
FILTER
CONTOUR—Provides
output
of
FILTER
CONTOUR
section
as
a
modulation
signal.
—Square
waveform
output
of
the
modulation
oscillator;
controlled
in
frequency
by
the
RATE
control.
When
used
in
conjunction
with
the
OSC
setting
of
ROUTING,
a
trill
is
produced,
whose
interval
is
set
with
the
MOD
AMOUNT
wheel.
(A
positive
going,
non-zero-
crossing
waveshape.)
—Triangular
wave
form
output
of
modulation
oscillator;
controlled
in
frequency
by
the
RATE
control.
Use
of
this
setting
with
the
OSC
setting
of
ROUTING
yields
vibrato,
variable
in
depth
by
the
MOD
AMOUNT
wheel.
(Symmetrical
around
zero
volts).
S&H
AUTO—Triggers
sample
and
hold
circuit
and
both
contour
generators
at
a
speed
set
by
the
RATE
control.
Generates
synchronous
string
of
random
voltage
steps
derived
internally
from
the
noise
source.
Like
all
modulations,
the
voltage
steps
are
attenuated
using
the
MOD
AMOUNT
wheel.
S&H
KBD—Provides
a series
of
random
voltage
steps
controlled
in
speed
by
the
RATE
control.
The
keyboard,
or
an
external
source
of
triggers,
may
be
used
to
trigger
the
contour
generators
independent
of
the
frequency
of
voltage
step
changes
as
modulations
AMOUNT
wheel.
set
by
the
RATE
control.
All
are
attenuated
with
the
MOD
21
ROUTING
Determines
the
destination
of
the
modulation
signal
that
has
been
selected
by
the
SOURCE
selector
as
follows:
OSC
A&B—Routes
the
selected
modulation
sig
nal
to
both
oscillators
for
voltage
control
of
oscillator
frequency.
OFF—Defeats
any
modulation.
Useful
for
switching
modulation
effects
off
instanta
neously.
The
ROUTING
control
is
never
more
than
one
position
away
from
an
OFF
position.
Does
not
defeat
triggers
in
S&H
AUTO
mode.
OSC
A&B
&
FILTER—Routes
the
selected
modulation
signal
to
both
oscillators
and
the
FILTER
section,
for
voltage
control
of
oscillator
frequency
and
filter
cutoff
frequency.
FILTER—Routes
the
selected
modulation
signal
to
the
FILTER
section
for
voltage
control
of
the
cutoff
frequency.
\S
I
B—Routes
the
selected
modula
tion
signal
to
the
OSCILLATOR
B
section
for
voltage
control
of
WAVESHAPE.
ROUTING
settings
are
inert
unless
the
MOD
AMOUNT
attenuator
wheel
is
placed
forward,
allowing
modulation
signals
to
flow
from
their
source,
as
determined
by
the
SOURCE
selector,
to
their
destination
as
determined
by
the
ROUTING
selector.
GLIDE/VOLUME
22
GLIDE
Smooths,
or
slows
down
output
of
the
keyboard
to
create
glide
or
glissando
between
keys
on
the
keyboard.
Speed
of
glide
is
variable
from
1
msec
to
five
seconds,
calibrated
in
arbitrary
units
with
a
maximum
of
"10."
This
is
a
logarithmic
glide
which
stops
when
all
keys
are
released
and
remains
at
that
r
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