Yamaha CS-80 Instruction Manual page 37

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VCF
jVoltagie
Controil&d
Filter!
(261
HPF -
Sets the
cutof-f
point
of
the High Pass
Filtsr
(low cut
filter).
With
the
slictef
at
LOW,
th&
cut-
off
frequency
lowest
[fklter
wide
open)^
^nd
at
HI<3H
the cutoff
frequency
is
highest
if
i
Iter
clo&edf.
[271
RES^ -
Sets the
Resonance
(0)
at
the
cutoff
point
of the
High
Pass
Filter
Th&
HIGH
setting gives
Ttidj<iniuiT»
rescmance.
[23i
LPF
-
Set5^
the
cuto-ff
point of the
LOW
Pass
Filter
(high
cut
filter).
With
the
slider
at
LOW,
the
cut-
off
frequency
is
lowest
filter closed),
and
at
HIGH
the
cutoff
frequency
is
highest
{filter
wide
open).
[29]
RES. -
Sets the
Resonance
(Q)
at
the cutoff
point
0"f
the
Low
Pass
Filter.
The
HIGH
settiny gives
maximum
resonance.
11^
iF
^f7
\L
Wh^l
Yeu
Hmm\
-C*
-If
-(i^
K-
Fnecujencies
^^'
by
HPF
.CJL
33
^J^^a^^
^iXlp^^
S*?einrj5
znx
F
ir«c|uerkcie£
^litmir^Bted
by
LPF
\L
HE£|.
VCF
Envelope Generator
NOTE:
Yamaha's
fiker
envelope ^ner^tor, with
^'IL-AL-A-D-R/'
is
unique
among
synthesizers.
[30]
IL
-
(Initial
Level)
Lowers
the
initial filter
cut-
off points of
the high
pass
and
low
pass
filters
{when
a
note
is
first
played)
relative
to the
"steady"
levels
set
with the
HPF
and
LPF
sliders.
Moving
IL
up
towarcl
"-5"
is
like
starting
with
HPF
and
LPF
lower
than
their
sustained cutoff points
and
then
moving
them
together to
their
sustained
levels.
[31
1
AL
(Attack
Level) Raises the
filter
cutoff
points
when
a
note
is
first
pEayed,
The
AL
rise
occurs
while
you
hold
a
key
down,
beginning
from
the
"steady"
Cutoffs
set
with the
HPF
and
LPF
sliders,
going
to the
maximum
frequency
set
with
AL
slider,
end
then
returning to the
"steady"
cutoffs.
[32]
A -
(Attack
Time)
Adjusts
how
long
it
takes
for
the
filtE^rs
to
move
from
the
ami
nimum
I
L
to the
maximum A
L
cutoff frequencies
when
either
or
both
of
thes&
sliders
is
moved,
up from
''0".
Attack
Time
has
no
effect
if
IL
and
AL
are
hcth
at
'0".
A...^h
L»^
I.
M.
P
'L^.
J.
o^
\H
W^
A.
u
N#n
y.^
L
\
iHc
CWn|p
Oc?unh
X\
/
Furadl^ntrtU4
T<i
Mari
hii/nt^niGil
A
^s-
.p
*y
!
,
*
Ttta InibinL V-au
Flry
A
Koi\u
AlEKk Tim*
-A
Ugfnwv
Ltur
VVhJ^-

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