Casio ClassPad 300 Calculator User Manual


 
20021201
k Replacing Batteries
Precautions:
Incorrectly using batteries can cause them to burst or leak, possibly damaging the interior of
the ClassPad. Note the following precautions:
•Be sure that the positive (+) and negative (–) poles of each battery are facing in the proper
directions.
•Never mix batteries of different types.
•Never mix old batteries and new ones.
•Never leave dead batteries in the battery
compartment.
•Remove the batteries if you do not plan
to use the ClassPad for long periods.
•Never try to recharge the batteries
supplied with the ClassPad.
•Do not expose batteries to direct heat, let them become shorted, or try to take them apart.
(Should a battery leak, clean out the battery compartment of the ClassPad immediately,
taking care to avoid letting the battery fluid come into direct contact with your skin.)
Keep batteries out of the reach of small children. If swallowed, consult with a physician
immediately.
u ClassPad Operation
(1) Press o to turn off the ClassPad.
Warning!
•Be sure to turn the ClassPad off before replacing batteries. Replacing batteries with
power on will cause data in memory to be deleted.
(2) Making sure that you do not accidentally press the o key, attach the front cover to
the ClassPad and then turn it over.
α
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Power Supply
P