Section 1

Getting Started

Power On and Off

To begin using your hp 12c platinum, press the ; key*. Pressing ; again turns the calculator off. If not manually turned off, the calculator will turn off automatically 12 minutes after it was last used.

Low-Power Indication

Abattery 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.

Adjusting the Display Contrast

The display’s readability depends on lighting, your viewing angle, and the display contrast setting. You can adjust the display contrast, by holding down the f key and pressing +or -.

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:

zTo specify the alternate function printed in gold

above a key, press the gold prefix key (f), then press the function key.

z To specify the primary function printed on the upper face of a key, press the key alone.

zTo 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.

*Note that the ; key is lower than the other keys to help prevent its being pressed inadvertently.

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File name: hp 12c pt_user's guide_English_HDPMF123E27

Page: 16 of 275

Printed Date: 2005/8/1

Dimension: 14.8 cm x 21 cm

Page 16
Image 16
HP 12C Financial 12C Getting Started, Power On and Off, Keyboard, Low-Power Indication, Adjusting the Display Contrast