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E-11
2. Making sure that you do not accidently press the M key, slide the case onto the calculator
and then turn it over.
3. Remove the battery cover from the calculator by
pulling with your finger at the point marked .
4. Remove the four old batteries.
5. Load a new set of four batteries, making sure that
their positive (+) and negative (–) ends are facing in
the proper directions.
6. Replace the battery cover.
7. Turn the calculator front side up and slide off its
case. Next, press M to turn on power.
• If the figures on the display appear too light and hard to see after you turn on power, adjust
the contrast.
I About the Auto Power Off Function
Calculator power turns off automatically if you do not perform any operation within the Auto
Power Off trigger time you specify. You can specify either 10 minutes or 60 minutes as the
trigger time (see “Power Properties Settings” on page 12-1). To restore power, press M.
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