Texas-instruments TI-73 EXPLORER User Manual Page 10

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Chapter 1: Operating the TIN73
7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99
8:58 AM Page 4 of 24
Adjusting the Display ContrastAdjusting the Display Contrast
The brightness and contrast of the display can depend on
room lighting, battery freshness, and viewing angle.
To adjust the contrast:
1. Press and release the yellow - key.
2. Press and hold $ (to darken the screen) or # (to lighten
the screen).
As you change the contrast setting, a number from 0 (lightest)
to 9 (darkest) in the top-right corner indicates the current
setting. You may not be able to see the number if the contrast
is too light or too dark.
Resetting Memory and All DefaultsResetting Memory and All Defaults
Follow these steps to reset the TIN73 to its factory settings
and clear all memory:
1. Turn on the calculator.
^
2. Display the
MEMORY
menu.
(above _ )
3. Display the
RESET
menu.
7
4. Display the
RESET RAM
menu.
1
The
^
key
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