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File name: hp 12c_user's guide_English_HDPMBF12E44 Page: 193 of 209
Printered Date: 2005/7/29 Dimension: 14.8 cm x 21 cm
Appendix E
Battery, Warranty, and
Service Information
Battery
The hp 12c is shipped with one 3 Volt CR2023 Lithium battery. Battery life
depends on how the calculator is used. If the calculator is being used to perform
operations other than running programs, it uses much less power.
Low-Power Indication
A battery symbol (
¼
) shown in the upper-left corner of the display when the
calculator is on signifies that the available battery power is running low. When the
battery symbol begins flashing, replace the battery as soon as possible to avoid
losing data.
Use only a fresh battery. Do not use rechargeable batteries.
Warning
There is the danger of explosion if the battery is
incorrectly replaced. Replace only with the same or
equivalent type recommended by the manufacturer.
Dispose of used batteries according to the
manufacturer’s instructions. Do not mutilate, puncture,
or dispose of batteries in fire. The batteries can burst or
explode, releasing hazardous chemicals. Replacement
battery is a Lithium 3V Coin Type CR2032.
Installing a New Battery
The contents of the calculator’s Continuous Memory are preserved for a short time
while the battery is out of the calculator (provided that you turn off the calculator
before removing the battery). This allows you ample time to replace the battery
without losing data or programs. If the battery is left out of the calculator for an
extended period, the contents of Continuous Memory may be lost.