Special Features; Changing Keys - Optimus Concertmate 980 Owner's Manual

42-4038.fm Page 23 Thursday, August 12, 1999 8:50 AM

SPECIAL FEATURES

CHANGING KEYS

The keyboard automatically selects the
key of middle C each time you turn it on.
For added flexibility as you play, the
keyboard lets you change (transpose)
the musical key in which it plays.
Note: You cannot change the key while
a prerecorded tune is selected or play-
ing.
1. Repeatedly press
until
TUNE/MIDI Trans
rent key setting appear
Note: The number on the display is
the number of "semitones" to which
the keyboard is set, compared to its
default key. A semitone is a mea-
surement that represents the acous-
tical interval between the tones of
any two keys on the keyboard. For
example, the difference between C
and C or B and B
tone. You can transpose the key
down 6 semitones (to an F ) and up
5 semitones (to an F) — a full
octave.
2. Within 5 seconds, press
lower or raise the key. Each time
you press or , the number on the
– +
display decreases or increases by 1
(semitone).
As you raise the key,
and so on. As you lower the key, –
is B, –
Notes:
TRANSPOSE/ • You can also use the number key-
and the cur-
pad to quickly raise the key. Simply
. press the semitone change value (1
to 5).
• The keyboard automatically resets
the key to the default value of 0
(middle C) each time you play a pre-
recorded tune.
• Each preset tone plays within a
specified range. If a key change
causes a note to exceed its range,
the same note sounds in the nearest
octave.
• When you select preset tones 90
through 96 after changing the key,
the keyboard split point changes
is one semi-
accordingly (see "Keyboard Split
Tones" on Page 16).
• Changing the key does not affect
the PERCUSSION (No. 99) preset
tone.
or to
– +
1 is C ,
is B , is A, and so on.
2 –3
2 is D,
1
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