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T u n e, Other useful functions, Polyphony – Casio LK-43 User Manual

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Polyphony

The term polyphony refers to the maximum number of notes
you can play at the same time. This keyboard has 12-note
polyphony, which includes the notes you play as well as the
rhythms and auto-accompaniment patterns that are played
by the keyboard. This means that when a rhythm or auto-
accompaniment pattern is being played by the keyboard, the
number of notes (polyphony) available for keyboard play is
reduced. Also note that some of the tones offer only 6-note
polyphony.

• When rhythm or auto accompaniment is playing, the

number of sounds simultaneously played is reduced.

• Though you can sound up to 12 notes at one time, only the

last four keyboard keys pressed light up.

Other Useful Functions

To change the key of the keyboard

The transpose feature of this keyboard lets you raise or lower
its key in semitone increments. This means you can easily
match to suit someone’s voice, and you can eliminate sharps
and flats from music making it easier to play.

1.

While in any mode besides the Song Bank Mode
(indicated when the SONG BANK indicator is
lit), hold down the TONE button and press the
RHYTHM button.

• Perform step 2 within five seconds after performing

step 1.

2.

Use the TEMPO buttons to change the key of
the keyboard.

Example: To change the tuning to B (indicated by -1

since it is one tone below C, which is the
normal tuning of the keyboard).

T r a n s

T r a n s

(

)

F

#

G

A

B

C

D

E

F

A

B

C

#

E

Key :

: Pressing
: Pressing

Display :

Trans (–)

Trans (+)

B (-1) tuning

Normal tuning

D

F G A

B

C

B

C

E

C D E F G A B C

B

C

D

E

F

G

A

C

NOTE

• If you leave the transpose screen on the display for about five

seconds without doing anything, the screen is automatically
cleared.

• You cannot change the transpose setting while the keyboard is

in the Song Bank Mode.

• In step 2 of the above operation, you could also use the number

buttons 0 to 5 to specify C through F.

• Pressing both of the TEMPO buttons (

/

) at the same time

returns the transpose setting to C(0).

• The transpose setting is automatically set to C(0) whenever

you turn keyboard power on.

• The transpose setting is automatically set to C(0) whenever

you press the SONG BANK button.

• The pitch of a transposed note depends on the tone you are

using. If the transpose operation causes a note to exceed the
range of the tone you are using, the same note in the highest
octave of the tone’s range is substituted.

• The transpose operation does not affect tone number 99

(PERCUSSION) or auto-accompaniment rhythms.

• Transposing tones 75 through 79 and 90 through 96 changes

the range of keys to which each of the tones is assigned.

• The transpose setting is automatically set to C(0) whenever

you press the DEMO button.

To tune the keyboard

A simple operation lets you tune the keyboard to another
musical instrument.

1.

While in any mode besides the Song Bank Mode
(indicated when the SONG BANK indicator is
lit), hold down the TONE button and press the
SONG BANK button.

• Perform step 2 within five seconds after performing

step 1.

T u n e

640A-E-019A

LK43_e_15-21.p65

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