Using the chord book – Optimus MD-1150 User Manual
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• When you play an aug, 7–5, or dim7
chord, the lowest note you play
determines the root of the chord. Be
sure that your fingering correctly
defines the root you want.
Note: See “Standard Fingering Chord
Charts” on Page 31 for a list of all the
chords you can play on your keyboard
using standard fingering accompani-
ment.
Follow these steps to start standard fin-
gering auto accompaniment.
1. Set
POWER/MODE
to
FINGERED
.
2. Select and enter an auto-rhythm.
3. To start the auto-rhythm before your
auto accompaniment, press
START/
STOP
.
Or, to synchronize the start of the
selected auto-rhythm with your
accompaniment, press
SYNCHRO/
FILL-IN
.
4. Begin the accompaniment at the
desired interval by pressing at least
three accompaniment keys to play
the desired chord.
To play a melody along with the
accompaniment, press any key(s) to
the right of the accompaniment
keys.
5. Adjust the tempo,
MAIN VOLUME
,
and
ACCOMP
VOLUME
to the
desired levels.
6. To change chords without interrupt-
ing the rhythm, simply press the
auto accompaniment keys required
to form the new chord.
7. To stop auto accompaniment and
the auto-rhythm, press
START/STOP
.
USING THE CHORD BOOK
You can use your keyboard’s chord
book display feature to see which keys
to press and which fingers to use to form
a chord. You can also display the name
of a chord you play.
Follow these steps to display and sound
a chord.
1. Press
CHORD BOOK
.
2. Press
CLEAR
(
0
) to clear any previ-
ous chord entry.
3. If you want to see information about
a major chord while you play it, skip
to Step 4. Otherwise (if the desired
chord name is a minor chord), enter
the chord’s name using that chord’s
keys on the numeric keypad.
For example, to enter a minor 7–5
chord, press
m
(
8
)
7
(
9
)
–5
(
2
). Or, to
enter 7sus4, press
7
(
9
) and
sus4
(
1
).
4. Press the root key on the accompa-
niment keyboard to play the chord.
For example, to play an F# chord,
press the
F#
key.
As the chord plays, the display
shows:
• the chord you entered
• the keys to press to form the
chord (on the bottom “keyboard”)
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