Casio SF-5580

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To turn key input sound on and off
1. Press SHIFT FUNC and then select “Key tone”.
2. Use H and J to turn the key input sound on and off.
• The
KEY
indicator is on the display while the key input sound is on.
3. Press OK to quit.
■ Destructive Backspace
When destructive backspace is turned on, the character at the cursor position is
deleted when you press the BS key.
To turn destructive backspace on and off
1. Press SHIFT FUNC and then select “Backspace”.
2. Use H and J to turn destructive backspace on and off.
3. Press OK to quit.
Currently selected setting