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The
Scale
Tune
function allows
you
to
create
different
tunings
for
the notes
of
a
scale.
Equal
Temperament
This tuning divides
one
octave
into
twelve equally
spaced
tones.
This
temperament
is
the
most
commonly
used
in
western
music.
An
OFF
setting of
the scale
tune
switch sets the
JV-880
to
equal
temperament.
Just
Temperament
(when
tonic
is
C)
Compared
to
equal
temerament,
in
which
all
notes
of
the scale are equally "out
of
tune,"
this
tuning puts
the three
notes
of
a major
triad
in
perfect tune.
However,
this
effect
is
possible only
when
playing
in
one
key.
Chords
for
other
keys are
more
dissonant.
The
chart
below
shows
the
pitch
differences
for
each
note
when
the
tonic
is
C.
Arabic Scale
In
the
Arabic
scale,
the pitches
of
E and B
are lower than those
of
the
equal
temperament
scale
by
half of
a semitone,
and
C#,
F# and
G#
are higher
by
half of
a semitone. Besides
the scales
of
G
—
B,
C
—
E,
F_G#,
A#—
C#
and
D#—
F#, there are three
neutral
keys
(the
scale
between
major
third
and
minor
third),
and on
the
JV-880
the
Arabic
scale
can be
played
in
the
keys
of
G,
C
or
F.
[Setting
example]
Note
Equal
Temperament
Just
Temperament
(when
tonic
is
C)
Arabic Scale
c
-6
c#
-8
-5
D
+4
-2
D#
+16
-12
E
-14
-51
F
-2
-8
F#
-10
+43
G
+2
-4
G#
+14
+47
A
-18
A#
+14
-10
B
-12
-49
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