Using The Equalizer - Casio Casiotone CT-S400 User Manual

4.
Press PIANO STRCH.
"PIANO STRCH" disappears from the display and piano stretch tuning is disabled.
5.
To enable piano stretch tuning, press PIANO STRCH again.
This displays "PIANO STRCH".
6.
To exit the setting operation, press EXIT.

Using the Equalizer

You can use the equalizer to configure settings that boost or cut specific frequency components.
1.
Press MENU.
This displays the menu screen.
2.
Use U and I to select the 5 buttons menu that includes EQ.
3.
Press EQ.
This displays the equalizer screen.
Controlling the Sound of a Performance
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