Casio CZ-1 User Manual

(7)
KEY
TRANSPOSE
The LCD
will
appear
as
illustrated below when
the
KEY
TRANSPOSE
key in
the
OVERALL
CONTROL SEC-
TION is
ON.
(8)
SOLO
The keyboard
of
the
CZ-1
becomes
monophonic
when
the SOLO key
is ON,
and the
last
keyboard
key pressed
is
given
priority.
KEV
TRnNSPOSE
KEV=r:
'
—
Cursor
Each press
of the
VALUE
H
key
in
the DATA
ENTRY
SECTION
raises
the
key
by one semitone, while
each
press
of the
key lowers
the pitch
by
one semitone.
SOLO key
ON
Volume
':•'
a
KEY
ON
KEY
ON
®
®
KEY
ON 1
cut when
KEY
ON
2
starts
Initial value
G^A^^A^B^^B^C-^C»-*D->E^-*E->
F—
P
SOLO key OFF
Volume*
KEY
ON
KEY
ON
® @
KEY ON 1
continues
even when KEY
ON
2
starts
(figure
shows
attenuating tones)
iM^iilljiB»ION)iS0UNDiSOllRCtE
»;r^^
The
CZ-1 employs
a unique,
CASIO developed
PD (Phase Distortion) sound
source
system.
This
system
is
capable
of producing
a variety
of wave forms
by
distorting
the read phase angles
of sine
and cosine
waves
that
are
written
in ROM,
The pattern
of
the read
phase angle
distortion
is determined
by the specification
of the
DCO
(VCO
of
analog
synthesizer)
WAVE
FORM. The
magnitude (modulation depth) of the
read angle
distortion
corresponds
to the
momen-
tary
value
of the DOW
(VCF
of
analog
synthesizer) envelope.
(Fig-
1)
2;r
7^
y
K
'z(
\y^
Phase
angle
+ 1
A
1 / \ Waveform
u
-1 J
^
\J
V
Pol
exa
arity
(
+
/
-
mple.
-
)
cos^ reversed
for
sake of
Fig. 1
illustrates
output of a
non-distorted
cosine wave
when
a
cosine wave
in ROM
is
read
with
a
linear phase
angle.
The
phase
angle
is
read
at a
constant speed
from
through
27r.
What would
happen if
we
increase
the
phase
angle
read
speed from through
tt and
decrease
it from
-k
through
27r?
(Fig-
2)
-20

Casio CZ-1 Specifications

General

Brand	Casio
Model	CZ-1
Category	Synthesizer
Language	English