Casio Casiotone LK-S450 - Dial Operations; Selecting a Function from a Menu

Operations Common to All Modes
EN-19
3. Press SETTING.
This displays the setting screen.
4. Use U and I to select “Button Long Press Time”.
5. Rotate the dial or use – and + to change the button long-press time value.
6. To exit the setting operation, press EXIT.
Setting Display Name
Short Short
Normal Normal
Long Long