Yamaha CS-80 Instruction Manual page 39

VGA
(Voltages
Controlled Amplifier)
(35]
VCF LEVEL -
Adjusts the
amount
of
mput
to
th-G
the?
VGA
provided
by
the
VGO"?
squ^r^
wave, saw-
tooth
wave and
/or
noise generators ar\d filtered
by
the
VGF.
[36]
SINE
WAVE
LEVEL -
Adjusts the
amount
of
input to the
VGA
provided by the
VCO's
sine
wave
generator. Since the sine
wave does not go through
the
VCF,
it
mav
be
mixed
in
any proportion with the
VCF-processed
signals a5
it
enters the
VCA.
[37]
A
—
{Attack Tinned adjusts houir
I
ong
it
takes for
the
level
to increase to
a
nnaximum
each
tin^e a
note
i$
played.
f38]
D —
(Decay Time)
Adjusts
how
long
it
takes
for
the
level
to dficrcaso
from
a
maximum
to
a
steady
(sustainetH level t^ach
time
a
note
is
played.
[39]
S
-
(Sustain Level)
Adjusts the fixed
level
of a
note that
is
steady
[after
attack
and decayj so long
as a
key
is
beW
dowrt.
[40]
R
-
(Release Time) Adjusts
how
long
it
takes
for
the level
To
die to silence after
yoo
relees-e a kev-
The
e-ffect
is
like
tbe sustain
time provided by the controls
in [13].
Hi
]
LEVEL -
(VCA
Level
f
Sets the highest
level
attained
by
the
S/CA, thus
affecting the
sustai n level
and
the
maximum
attack
level. If
VCF LEVEL
135]
and SINE
WAVE
LEVEL
[36] are
thought
of as
input
mixir^g controls, then
t^iis
slider
serves
as
the
VGA's
master output control.
from
VCF
fS^
VCP
r-TxT-jvr-j^
-*-
q 1^ «* 4
>»4
Out
35
Loud
rMM"-j"-Jxr--.-^
-
Quid
/Y/V^vAy\
(Square w^v<? jundyor
noise Dould
^ha
b^
used. here,
f
Mk^cmg
sine
wave with
VCF
processBti vuBvetorm
LEVEL
VSTIWie
*
Tim*
Tirryp
t I
J
li
f 1
Nor^L hAaKiimum
level
^et
by Suft^i^
^
L^vel
i^
CHawql
mi
-VL
Tipnii
iPiCfii
Lcnur
^^M
/
\
^
I
i
p
V
I
J
.
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