Texas Instruments TI-73 用户手册

     Chapter 1: Operating the TI

N73

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

 

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.

 

Follow these steps to reset the TIN73 to its factory settings

and clear all memory:

1. Turn on the calculator.

^

2. Display the 

 menu.

- Ÿ  (above _ )

3. Display the 

 menu.

4. Display the 

menu.

The 

^

 key