Casio FX-7400G User Manual page 2

BEFORE USING THE CALCULATOR FOR THE FIRST
TIME...
This calculator does not contain any main batteries when you purchase it. Be sure to perform
the following procedure to load batteries, reset the calculator, and adjust the color contrast
before trying to use the calculator for the first time.
1. Push the battery compartment cover on the back of the
calculator in the direction noted in the illustration and
remove it.
2. Load the two batteries that come with calculator.
• Make sure that the positive (+) and negative (–) ends of
the batteries are facing correctly.
3. Slide the battery compartment cover back into place, and then press the RESET button on
the back of the calculator with a thin, pointed object. When you do, the RESET screen
illustrated nearby appears.
RESET button
1
4. Press (YES) to reset the calculator.
1
i