Turning Power On And Off - Casio SF-5580 Owner's Manual

I Turning Power On and Off
Press ON/OFF to turn power on and off.
Important!
If nothing appears on the display when you turn on power, it means that the main
batteries are low. Replace the batteries (page 13) and press the RESET button
to resume normal operation.
Be sure to press the RESET button (page 2) after loading main batteries for the
first time or if the previous set of batteries went dead.
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