Transpose; Octave Shift - M-Audio Keystation 49e User Manual

To select an alternate function:
Press the Advanced Functions button, putting the keyboard into Edit Mode.
Press the black key that represents the function you want. Edit Mode will finish as
soon as you have selected the function and you will be able to play notes again.
The five available alternate functions of the octave buttons are described next:

Octave Shift

The Octave "+" And "-" Keys
Another method of shifting the Keystation 49e's octaves is with the use of the
keys labeled octave "+" and "-". After the Advanced Function button has been
pressed, placing the keyboard is in Edit Mode, pressing these keys will shift the
keyboards pitch up or down one or more octaves (one for time each pressed).
The default octave shift designation is "0" and will be the octave setting each
time you power up the keyboard. The lights above the octave buttons indicate
that 0 octave shift is set when both are on.
To assign the "+" and "-" keys to control the octave:
Press the Advanced Functions button to get the keyboard into Edit Mode.
Press the black key above C1 (named C# 1), representing DATA = OCTAVE.
Edit Mode will finish as soon as C# 1 has been pressed.
There is also a method of performing a 'quick' octave change, which can be
useful when using the octave buttons to control another MIDI function and is
accompplished as follows:
Press the Advanced Functions button to put the keyboard in Edit Mode.
Press the black key below B2 (Bb2). In Edit Mode, this key functions as
"OCTAVE +", increasing the octave by 1 (you may press it again to increase
the octave by 2, and so on).
Press the black key above F2 (F# 2) (in Edit Mode, this key functions as
"OCTAVE -", decreasing the octave by 1 (you may press it again to decrease
the octave by 2, and so on) OR press the black key above G2 (named G# 2)
(in Edit Mode, this key functions as "OCTAVE 0" to reset the octave shift to 0).
When you have chosen your octave shift press C5, representing "ENTER," to
leave Edit Mode.

Transpose

In some cases it is useful to reduce or increase the pitch by a number of
semitones rather than a whole octave. For example, you may be playing a
song with a singer and the singer is having trouble hitting the top notes. In this
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