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6. Wipe off the surfaces of a new battery with a soft,
dry cloth. Load it into the calculator so that its positive
(+) side is facing up.
7. Install the back up battery compartment cover onto the
calculator and secure it in place with the screw.
Next, replace the back cover.
8. Turn the calculator front side up and slide off its case.
Next, press o to turn on power.
k 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 six minutes or 60 minutes as the
trigger time (see “APO Settings” on page 11-2-1). To restore power, press o.
α
-6-5
Power Supply