Casio CTK-691 - Manual (Page 72)

Keyboard Settings
E-70
The tuning feature lets you fine tune the keyboard to match
the tuning of another musical instrument.
1.
Press the TRANSPOSE/FUNCTION button.
2.
Use the [ ] and [ ] CURSOR buttons to
display the tuning screen.
3.
Use [+] and [–] to change the tuning setting of
the keyboard.
Example:
To lower the tuning by 20.
Š Pressing the TRANSPOSE/FUNCTION button
exits the transpose screen.
Š The keyboard can be tuned within a range of –99 cents to
+99 cents.
* 100 cents is equivalent to one semitone.
Š The tuning setting also affects playback from song memory
and Auto Accompaniment.
Tuning the Keyboard
To tune the keyboard
705A-E-072A