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BEFORE USING THE CALCULATOR
FOR THE FIRST TIME ONLY...
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 contrast before
trying to use the calculator for the first time.
1. Making sure that you do not accidently press the o key, attach the case to the calculator
and then turn the calculator over. Remove the back cover from the unit by pulling with your
finger at the point marked
✩.
2. Load the two batteries that come with calculator.
•Make sure that the positive (+) and negative (–) ends of
the batteries are facing correctly.
3. Remove the insulating sheet at the location marked
“BACK UP” by pulling in the direction indicated by the
arrow.
4. Replace the back cover and turn the calculator front side up, which should automatically
turn on power and perform the memory reset operation.
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