Casio FX-9860G Computer Hardware User Manual


 
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5-3
Power Supply
1. Press !o(OFF) to turn off the calculator.
2. To ensure that you do not press the o key accidentally while replacing batteries, fold
the calculator shut.
3. Remove the battery cover on the back of the calculator.
• While pressing on battery cover at the point marked 1, slide it in the direction of the
arrow in the illustration .
4. Remove both of the old batteries.
5. Load two new batteries, making sure their + and – ends are facing correctly.
• While pressing the – end of a battery against the spring (Figure A), lower its + end
into the compartment (Figure B).
(Figure A)
(Figure B)