E-Mu ESI-32 Operation Manual page 40

Tuning the ESI-32 to Other Instruments
Refer to the Master/Globals module, 1. Master Tune. This function
demonstrates how the ESI-32 uses the data entry control to adjust a
parameter. Play the keyboard while adjusting the data entry control to
change the overall tuning.
Transposing the Keyboard
Refer to the Transpose button. While holding the transpose button, play
a key on the keyboard in the lower two octaves. The second C from the
bottom (C2) corresponds to normal or no transposition. All transposi-
tions are based from this C2 key. For example, pressing the G key above
C2 will transpose the keyboard up a perfect fifth. If the keyboard has
been transposed, the transpose LED will stay lit. Press and hold the
transpose button while pressing C2 to return to normal transposition.
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ESI-32 Operation Manual