Yamaha DX1 Owner's Manual page 28

Digital programmable algorithm synthesizer
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vnnm
(xx-yy)
zz"
(fig 46).
"ww"
is
the
function abbreviation,
"V/irJVJ"
is
the
function
name,
"(XX—
YY)" is the
data range
,
and
"ZZ" is the data.
*
All the
voice parameters
in this
section
apply to all operators simultaneously.
Fig.
46.
LCD
Display:
Edit Data
(2)
SPEED
0—99
EDIT
tlODE
<<UUUU>>
LFO
(fig.
47)
LFO stands for Low Frequency Oscillator.
It
generates
the
low-frequency signals necessary
to
produce tremolo, wow and vibrato type
effects.
*
LFO
riODULATIOtl
is
controlled through
the
PMS (PITCH
MODULATION SENSITIVITY)
f
unci on in this block, and the
AMPLITUDE MODULATION
(fig.
59)
function
in the
SENSITIVITY
block.
Fig. 47.
Details
ot
Performance Memory/Function
Section Voice Parameter Switches
i'EffORMAMCt Mb
MOBY
FUNCTION
'
i.fO
OiiCILLATOH
KEY
SYNC
iftiAvE
SPEED
OELAY
PMD
PMS
AMD
KEY
Sync
HANK.
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-®- -®- -®- -®-
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AtHB 'UW
CD
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en
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CD
DNtDNIROl
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^^
PERFORMANCE
& VOICES
®
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en
m
HI
WFF^OHT
UMoM.tf*
ISii.:
4['[ft.'
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"—MIDI IMO
Cnt,Trt()l-
(1)
WAVE
:
TRIANGLE/SAV;
DOWN/SAW
UP/SQUARE/SINE/S. HOLD
This selects the LFO waveform.
All
operators
are
affected simultaneously.
*
Six
waveforms are available
(fig. 48).
TRIANGLE:
This produces
a
very clear
periodic modulation
effect.
Ideal for
tremolo.
SAV/
DOWK:
(Sawtooth) An effect like
a
periodic drop
in the
sound.
SAW
UP:
(Sawtooth) An
effect like
a
periodic increase
in the sound.
SQUARE:
The sound
periodically
"jumps"
between
two levels.
SINE:
Smooth variation.
Ideal
for
wow
and vibrato.
S.
UOLD:
(Sample and Hold) Random
variaton.
*
The LCD will read "EDIT MODE
<<LFlv>>
LFO
waveform select
XXXX",
"XXXX"
is the
waveform
name.
Fig, 48.
LFO
Waveforms
TRIANGLE
/\
SAW DOWN
r\
SAW UP
/I
SQUARE
rL
SINE
^\^
S/HOLD
This sets
the LFO speed.
All operators are
affected simultaneously.
*
Data range
is
99.
is the
slowest
speed
(0.06 Hz),
and
99
is the
highest
speed
(50
Hz).
*
The LCD display will read "EDIT MODE
<<LFS>> LFO speed
(0-99) XX".
"XX" is
the data,
(3)
DELAY
:
99
This
sets the delay
between
the time
a
key
is
pressed and time when LFO modulation
begins.
All
operators are affected simultaneously,
*
DELAY
is
particularly effective when
used with
a
vibrato effect.
*
Tha data range
is
99.
0=OFF.
A
setting
of 99
produces approximately
a
3
second
delay.
*
VJith
longer delay settings, there
is not
only
a
delay before the
LFO effect
begins, the LFO "cones
in"
with
a
smooth increase
in
modulation level
for
exceptionally natural
LFO effects
(fig.j
49).
%
*
The
LCD display will
read "EDIT MODE
<<LFD>> LFO attack delay time
(0-99)
XX".
"XX" is the data.
(4)
PMD
:
0—99
Pitch Modulation Depth,
This sets the depth
of
pitch variation produced by LFO modulation
(vibrato).
Unlike
the
FUNCTION mode
controllers, this effect
is
always
ON
once
set.
All
operators
are
affected
simultaneously,
*
The data range
is
99,
0=OFF, At
99
maximum pitch variation
is
produced
(when PHS=7,
maximum variation
is i
1
octave
=
1200 cents)
*
The LCD display will read "EDIT MODE
<<LPMD>> LFO pitch modulation depth
(0-99)
XX".
"XX" is the data.
*
VJhen
PHS
is
set to
no
effect
is
produced,
*
Even
if
PHD
is
set to
0,
vibrato
can
still be
applied using
the
FUNCTION
i
mode coHtrollers.
-*/».J»
*
(5)
PMS
0—7
Pitch Modulation Sensitivity.
This master
parameter sets
the
vibrato depth
(pitch
modulation)
as
applied
by the
controllers
set
up in the
FUNCTION mode.
This sets
the
maximum depth
of the
PMD parameter in
the
same block, as well as the
FUNCTION mode
controllers
(fig.
44)
.
All
operators are
affected simultaneously.
*
The data range
is
from
to
7.
0=OFF.
7=maximum pitch variation
(when PMD is
set to 99,
pitch variation
is ±
1
octave
=
1200 cents).
*
The LCD display will read "EDIT MODE
<<LPHS>> LFO pitch modulation
sens,
(0-7)
X",
"X"
is the data.
*
Vibrato can
not be
applied
if
PHD
is set
to
and all the controller
/iSSIGN
parameters
in the
FUNCTION mode
are
OFF.
28

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