Optimus MD-1200 ユーザーズマニュアル

19

The concert chord method lets begin-
ning keyboard players easily select and
play a chord.

The number of accompaniment keys
you press determines the type of chord
that plays. This table shows the type of
chord that plays when you press one,
two, three, or four accompaniment keys
at the same time.

The lowest note you play determines the
key of the chord. For example, if the low-
est note is C, the keyboard plays a C
chord.

Note: You can play any labeled note(s)
to the right of the lowest note in the
chord to produce a minor, a dominant
seventh, or minor seventh chord.

Follow these steps to start concert chord
auto accompaniment.

1. Set 

 to 

.

2. Select and enter an auto-rhythm.

3. To start the auto-rhythm before the

auto accompaniment, press 

 or 

.

To synchronize the start of the
selected auto-rhythm with your
accompaniment, press 

.

4. Begin the accompaniment by press-

ing the desired accompaniment
key(s).

To play a melody along with the
accompaniment, press any key(s) to
the right of the accompaniment
keys.

5. To change chords without interrupt-

ing the rhythm, simply press the
auto accompaniment key(s)
required to form the new chord.

6. To stop accompaniment and the

auto-rhythm, press 

.

Major

Minor (m)

Dominant 
Seventh (7)

Minor 
Seventh (m7)

42-4041.fm  Page 19  Tuesday, August 3, 1999  6:56 AM