Casio CFX-9970G Appendice - Pagina 4

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Appendix B Power Supply

This unit is powered by four AAA-size (LR03 (AM4) or R03 (UM-4)) batteries. In

addition, it uses a single CR2032 lithium battery as a back up power supply for the

memory.

If the following message appears on the display, immediately stop using the

calculator and replace batteries.

If you try to continue using the calculator, it will automatically turn power off, in

order to protect memory contents. You will not be able to turn power back on until

you replace batteries.

Be sure to replace the main batteries at least once every two years, no matter how

much you use the calculator during that time.

k k k k k Replacing Batteries

Precautions:

Incorrectly using batteries can cause them to burst or leak, possibly damaging the

interior of the unit. Note the following precautions:

Warning!

If you remove both the main power supply and the memory back up batteries at

the same time, all memory contents will be erased. If you do remove both

batteries, correctly reload them and then perform the reset operation.

• Be sure that the positive (+) and negative (–) poles of each battery are facing in

the proper directions.

• Never mix batteries of different types.

• Never mix old batteries and new ones.

• Never leave dead batteries in the battery

compartment.

• Remove the batteries if you do not plan

to use the unit for long periods.

• Never try to recharge the batteries

supplied with the unit.

• Do not expose batteries to direct heat,

let them become shorted, or try to take

them apart.

(Should a battery leak, clean out the battery compartment of the unit immedi-

ately, taking care to avoid letting the battery fluid come into direct contact with

your skin.)

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