Yamaha CS-30L Owner's Manual page 9

FUNCTIONS
VC01 /VC0 2
©-
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(5}
(4>
3©e
o
:
Jl=- —
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JK
©FEET
As
stated
earlier,
the
keyboard
covers 3-1/2
octaves with
its
44
keys.
By making
use of
this
FEET
Switch,
the
sound
range to be covered can
be
shifted as
shown
in
the diagram.
•
VC01:
Covers
2'
~
64'
•
VC02:
Covers
4'
~
128'
©PW
Adjusts the pulse width of the square
wave
out-
put of
VCO.
(50%
~
90%)
(3)PWM
Changes
the pulse
width
at intervals
equivalent
to
LFO's
period.
(10%~90%)
(4)
MODULATION FUNCTION
Used
for
switching over
the
way
in
which
VCO
modulation
is
to
be applied.
•
At S/H, sounds whose
intervals
vary
in
an
irregular
manner
will
be
fed out.
• At EXT,
the intervals will
be varied
by
the external
input.
©MODULATION
DEPTH
Modulates
the
VCO
using the
period of
LFO.
PW:
Pulse
Width (at
maximum
change)
-5095-
-90%—
Pulse
Width:
90%
PWM:
Pulse
Width Modulator
"2596
7596
It
changes
in
the
order of
®
-©-©-©- ®.
U-O'
©MOD
VC0Z
VCOl
will
be
modulated by
the
output
of
VC02.