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)
20070201