Special Features; Changing Keys - Optimus Concertmate 975 Owner's Manual

42-4036.fm Page 20 Thursday, August 12, 1999 8:20 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 make mu-
sic, the keyboard lets you change
(transpose) the musical key in which
it plays.
1. Repeatedly press
until
TUNE Trans
rent key setting appear
Note: The displayed number is
the number of "semitones" to
which the keyboard is set, com-
pared to its default key. A semi-
tone is a measurement that
represents the acoustical interval
between the tones of any two
keys. For example, the difference
between C and C or B and B is
one semitone. 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
raise or lower the key. Each time
you press or , the number on
+ –
the display increases or de-
creases by 1 (semitone).
20
As you raise the key,
D, and so on. As you lower the
key, –
and so on.
Notes:
• You can also use the number
keypad to quickly raise the key.
Simply press the desired semi-
tone value (1 to 5).
• You cannot change the key while
TRANSPOSE/
a prerecorded tune is selected or
and the cur-
playing.
.
• The
resets the key to the default value
of 0 (middle C) each time you
play a prerecorded 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-
96 after changing the key, the
keyboard split point changes
accordingly (see "Keyboard Split
Tones" on Page 14).
• Changing the key does not affect
the PERCUSSION (No. 99) pre-
set tone.
or to
+ –
is C ,
1
1 is B, – 2 is B , –3 is A,
keyboard automatically
is
2