Yamaha CS-80 - 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 .
H *l