80
Batter
y Replacement
Notes on batter
y replacement
Improper handling of batter
y can cause electrolyte leakage or
e
xplosion.
Be sure to obser
v
e
the f
ollo
wing handling r
ules:
•
Mak
e sure the ne
w batter
y is the correct type
.
•
When installing, or
ient the batter
y correctly
, as indicated in the
calculator
.
•
The f
actor
y-installed batter
y ma
y be e
xhausted bef
ore it
reaches the ser
vice lif
e stated in the specifi
cations
.
Note on the erasure of memor
y contents
When the batter
y is replaced, the memor
y contents are
er
ased.
Er
asure can also occur if the calculator is def
ectiv
e
or when it is repaired.
Mak
e a note of all impor
tant memor
y
contents in case accidental er
asure occurs
.
When to replace the batter
y
If the displa
y has poor contr
ast, or if nothing appears on the
screen, e
v
en when
s
is pressed, it is time to replace the bat-
ter
y.
Caution
•
Fluid from a leaking batter
y accidentally enter
ing an e
y
e
could
result in ser
ious injur
y. Should this occur
, w
ash with clean
w
ater and immediately consult a doctor
.
•
Should fl
uid from a leaking batter
y come into contact with y
our
skin or clothes
, w
ash them immediately with clean w
ater
.
•
If the product is not to be used f
or some time
, to a
v
oid dam-
age to the unit from leaking batter
y,
remo
v
e
it and store in a
saf
e place
.
•
K
eep batter
y out of the reach of children.
•
Exhausted batter
y that is left in the calculator ma
y leak and
damage the unit.
•
Explosion r
isk ma
y be caused b
y
incorrect handling.
•
Do not thro
w batter
y into a fi
re
, as it ma
y e
xplode
.
Appendix.indd 80
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