Casio fx-7400G Anexo - Página 5

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(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.)

Keep batteries out of the reach of small children. If swallowed, consult with a

physician immediately.

u u u u u To replace the main power supply batteries

* Never remove the main power supply and the memory back up batteries from

the unit at the same time.

* Be sure to switch the unit off before replacing batteries. Replacing batteries

with power on will cause data in memory to be deleted.

* Never replace the main power supply battery compartment cover or switch the

calculator on while the main power supply batteries are removed from the cal-

culator or not loaded correctly. Doing so can cause memory data to be deleted

and malfunction of the calculator. If mishandling of batteries causes such prob-

lems, correctly load batteries and then perform the RESET operation to resume

normal operation.

* Be sure to replace all two batteries with new ones.

1. Press !O to turn the calculator off.

2. Push the battery compartment cover on the

back of the calculator in the direction noted in

the illustration and remove it.

3. Remove the two old batteries.

4. Load a new set of two batteries, making sure

that their positive (+) and negative (–) ends

are facing in the proper directions.

5. Replace the battery compartment cover and

press o to turn power on. The memory back-

up battery provides power to the memory while

the main batteries are removed, so memory

data is not lost.

• Power will not switch on if you press o while

the main power supply battery compartment

cover is open.

• Do not leave the unit without main power sup-

ply batteries loaded for long periods. Doing so

can cause deletion of data stored in memory.

P.11

• If the figures on the display appear too light and hard to see after you turn on

power, adjust the contrast.

Appendix

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