Casio CFX-9850GB Calculator User Manual


 
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BEFORE USING THE CALCULATOR
FOR THE FIRST TIME...
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 calculator
by pulling with your finger at the point marked
1.
2. Load the four 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, making sure that its tabs enter the holes marked 2 and turn
the calculator front side up. The calculator should automatically turn on power and
perform the memory reset operation.
1
BACK UP
BACK UP
2