Safety precautions, Caution, Batteries – Casio FX-820MS User Manual
Page 4: Disposing of the calculator
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Safety Precautions
Be sure to read the following safety precautions before
using this calculator. Keep this manual handy for later
reference.
Caution
This symbol is used to indicate information that can
result in personal injury or material damage if ignored.
Batteries
• After removing the battery from the calculator, put it
in a safe place where it will not get into the hands of
small children and accidentally swallowed.
• Keep batteries out of the reach of small children. If
accidentally swallowed, consult with a physician im-
mediately.
• Never charge batteries, try to take batteries apart, or
allow batteries to become shorted. Never expose
batteries to direct heat or dispose of them by incin-
eration.
• Misuse of batteries can cause them to leak and dam-
age nearby items, and can create the risk of fire and
personal injury.
• Always make sure that the battery’s positive
k
and
negative
l
ends are facing correctly when you load
it into the calculator.
• Remove the battery if you do not plan to use the
calculator for a long time.
• Use only the type of battery specified for this calcu-
lator in this manual.
Disposing of the Calculator
• Never dispose of the calculator by burning it. Doing
so can cause certain components to suddenly burst,
creating the risk of fire and personal injury.