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Overflow
Indicates a calculation result
BATTERY NOTES
Indicator
that contains more than eight
digits.
1. With normal use at room temperature, a full
Appears as
battery charge can be expected to supply about
5 hours of accumulated working time.
2. The Calculator may be used while its battery is
Low Battery
Warns of need for batiery
charging.
3. Batteries that have been neither used nor charged
Indicator
charge during battery
for as long as 2 or 3 months will suffer substantial
operation.
loss of operating time through a tendency to
Appears8s
self-discharge. As a general rule, batteries lose
•
about 1% charge per day due to self-discharge,
Minus Sign
Activated by the
II
key for
at normal temperatures.
4. For optimum performance and long life:
Indicator
operations with negative
a. Alternate frequently between Battery and
numbers.
ACpower.
Appears as
b. Operate at or near normal room temperatures.
c. Charge as soon as possible upon appearance
of the Low-Battery indicator.
Decimal Point Automatically appears to
the
5. Recharge time is 7 hours
f~f
a fully discharged
battery, with the calculator off.
Indicator
right of any number entered.
6. The Low-Battery indicator is designed to appear
unless inserted in another
as soon as battery voltage drops to the lowest
sequence by use of the
value that w\l\ support optimum performance of
the Calculator. Should further discharge occur,
Decimal key. With fractional
through continued operations or self-discharge,
numbers,
It
will be preceded
the Low-Battery indicator may fail to appear.
by
a zero.
Do not continue to operate on batteries when
this condition is noted, or a damaged battery
may result.
Memory in Use
7. As a general rUle, if improper operation occurs.
Indicator
fi rst try the Calcu lator with its charger connected.
If operation is then normal, this indicates the
•
Indicates use of memory
batteries are low.
8.
Do not store the unit in high temperature amas
function after
~
switch is
such as the top of radiators or the rear deck of
turned left and
=
key is
automobiles exposed to the sun. The Calculator
touched.
•
will operate satisfactorily over an ambient tem-
perature range of 0 to SOC (32 to 122F) and
relative humidity to 95%.
4
5
--
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