Section 1: Getting Started; Power On And Off; Low-Power Indication; The Keyboard - HP 12C Platinum Owner's Handbook Manual

Getting Started

Power On and Off

To begin using your HP 12C Platinum, press the ; key
turns the calculator off. If not manually turned off, the calculator will turn off
automatically 8 to 17 minutes after it was last used.

Low-Power Indication

A battery symbol ( ) shown in the upper-left corner of the display when the
calculator is on signifies that the available battery power is nearly exhausted. To
replace the batteries, refer to Appendix F.

The Keyboard

Many keys on the HP 12C Platinum perform two or even three functions. The
primary function of a key is indicated by the characters printed in white on the
upper face of the key. The alternate function(s) of a key are indicated by the
characters printed in gold above the key and the characters printed in blue on the
lower face of the key. These alternate functions are specified by pressing the
appropriate prefix key before the function key.
:
Throughout this handbook, references to the operation of an alternate function
appear as only the function name in a box (for example, "The L function ...").
References to the selection of an alternate function appear preceded by the
1.
Note that the ; key is lower than the other keys to help prevent its being pressed
inadvertently.
Section 1
1
. Pressing ; again
To specify the alternate function printed in
gold above a key, press the gold prefix key
(f), then press the function key.
To specify the primary function printed on
the upper face of a key, press the key alone.
To specify the alternate function printed in
blue on the lower face of a key, press the
blue prefix key (g), then press the
function key.
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