Casio LK-73 - Manual (Page 19)

Keyboard Settings
E-50
Use the following procedure to fine tune the keyboard to
match the tuning of another musical instrument.
1.
Press the TRANSPOSE/TUNE/MIDI button
twice to display the tuning screen.
2.
Use the [+], [–], and the number buttons to
adjust the tuning value.
Example:
To lower tuning by 20
Š The keyboard can be tuned within a range of –50 cents to
+50 cents.
* 100 cents is equivalent to one semitone.
Š The default tuning setting is “00” when keyboard power is
turned on.
Š If you leave the tuning screen on the display for about five
seconds without doing anything, the screen is
automatically cleared.
Š The tuning setting also affects playback from song memory
and Auto Accompaniment.
Tuning the Keyboard
To tune the keyboard
641A-E-052A