A–4 Support, Batteries, and Service
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
Warning
Do not mutilate, puncture, or dispose of batteries
in fire. The batteries can burst or explode,
releasing hazardous chemicals.
5. Insert a new CR2032 lithium battery, making sure that the positive sign (+) is
facing outward. Replace the plate and push it to the original place.
6. Remove and insert the other battery as step 4~5. Make sure that the positive
sign (+) on each battery is facing outward.
7. Replace the battery compartment cover.
8. Press
Å
.
Testing Calculator Operation
Use the following guidelines to determine if the calculator is working properly. Test
the calculator after every step to see if its operation has been restored. If your
calculator requires service, refer to page A–7.
The calculator won't turn on (steps 1–4) or doesn't respond
when you press the keys (steps 1–3):
1. Reset the calculator. Hold down the
Å
key and press
&
. It may be
necessary to repeat these reset keystrokes several times.
2. Erase memory. Press and hold down
Å
, then press and hold down both
#
and
/
. Memory is cleared and the
message is
displayed when you release all three keys.
3. Remove the batteries (see "Changing the Batteries") and lightly press a
coin against both battery contacts in the calculator. Replace the batteries
and turn on the calculator. It should display
.
4. Install new batteries (see "Changing the Batteries").
If these steps fail to restore calculator operation, it requires service.
If the calculator responds to keystrokes but you suspect
that it is malfunctioning:
1. Do the self–test described in the next section. If the calculator fails the self
test, it requires service.
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