Now
turn
the
calculator
back
on.
If
it
does
not
function,
check
that
the
orientation
of
the
batteries
is
correct.
If
the
calculator
still
does
not
function, you might have taken too long to change the batteries or
inadvertently turned the calculator on while the batteries were out.
Remove
the
batteries
again and lightly press a coin against both battery
contacts in the calculatorfot a
few
seconds.
Put the batteries back in
and
turn the calculator on. It should display
MEMORY
CLEAR.
Environmental
Limits
To maintain product reliability, observe the following temperature
and
humidity limits:
• Operating temperature: 0° to 45°C (32° to 113°F).
• Storage temperature:
-20°
to 65°C
(-4°
to 149°F).
• Operating and storage humidity: 90% relative humidity at 40°C
(104°F)
maximum.
Determining
if
the
Calculator
Requires
Service
Use these guidelines to determine if the calculator requires service.
Then, if necessary, read *If the Calculator Requires
Service*
on page
249.
• Iff
the
calculator
won't
turn
on
(nothing
is
visible
in
the
display):
1. Attempt to reset the calculator. (Hold down the [c] key and
press |LN|.)
2. If the calculator fails to respond after step 1, replace the bat
teries (see page 242).
If steps 1
and
2 fail to restore calculator function, it requires service.
A:
Assistance,
Batteries,
and
Service
245
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