Sharp EL-738 operation manual Battery Replacement, When to replace the battery

Battery Replacement

Notes on battery replacement

Improper handling of battery can cause electrolyte leakage or explosion. Be sure to observe the following handling rules:

•Make sure the new battery is the correct type.

•When installing, orient the battery correctly, as indicated in the calculator.

•The factory-installed battery may be exhausted before it reaches the service life stated in the specifications.

Note on the erasure of memory contents

When the battery is replaced, the memory contents are erased. Erasure can also occur if the calculator is defective or when it is repaired. Make a note of all important memory contents in case accidental erasure occurs.

When to replace the battery

If the display has poor contrast, or if nothing appears on the screen, even when sis pressed, it is time to replace the bat- tery.

Caution

•Fluid from a leaking battery accidentally entering an eye could result in serious injury. Should this occur, wash with clean water and immediately consult a doctor.

•Should fluid from a leaking battery come into contact with your skin or clothes, wash them immediately with clean water.

•If the product is not to be used for some time, to avoid dam- age to the unit from leaking battery, remove it and store in a safe place.

•Keep battery out of the reach of children.

•Exhausted battery that is left in the calculator may leak and damage the unit.

•Explosion risk may be caused by incorrect handling.

•Do not throw battery into a fire, as it may explode.

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