Casio fx-350D Manual page 12

Scientific calculator
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•fx-82L
'
Two AA size manganese dry batteries (U
M
-3) give
ppproximately 9,000 hours continuous operation
.
(approx. ·11 ,,000 hours
.
o
n t
ype R6P (SUM-3))
.
When battery power
decreases,
the whole display
darkens. Batteries should then be renewed
.
Be sure
.
to switch OFF the power before changing
.
f
'
-
1.1
.
.
1
Battery
replacement
1
..
1
0
pen t
he'
back panel of t he ·unit by loosening the
screw-
s ane:t remove dead
batteri.
e s
.
2.
Insert'
·new batteries with
polarit
y as indicated.
3.
Replac·e'
the
back panel.
PRECAUTIONS:
'
I
l~S?r~e
1
ctly
u_
s ing qatteries ·can .cause t~em to burst or
lea~,
p_
o ssibly d~maging the interior of the
unit.
Note
the following precautions
:
·
• Be sure that the positive (
+
)
and negative (
_:
) poles
of each battery are facing in the proper direction.
,
• Never mix batteries of different ,types
.
•Never:
m
ix
o ld
batteri
es and new ones.
• Never leave dead batteries in the battery com-
partment
.
Remove
the batteries if you do not plan to use the
unit
fot--
long periods.
• Replace the batteries at
least
once every 2 years, no
matte
r
how much the unit is used during that period
.
Never
t ry to recharge the batteries supplied
with
the
unit.
1
~
Do n.ot
e•
x pose batteries to direct
heat,
let them
be-
c~.me:
st}orted
,
or
try ·to
·
t ake them apart.
Should a
battery leak, clean 9ut the battery
com-
partment of the unit immediately, taking care to
avoid
letting the
battery
fluid come into direct con-
tact with your
skin.
·
Auto
power-off function
'
This
unit automatically switches OFF if not operated
for approximatel
_ y_ 6 minutes
.
Power can be restored
by
pressing the
~
key. Memory contents and mode
setting are retained even w
hen
power is switched
off
.
-
11
-
'

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