In Case Of Difficulty - Texas Instruments TI-82 STATS Manual Book

In Case of Difficulty

Handling a
Difficulty
B–4 General Information
To handle a difficulty, follow these steps.
1. If you cannot see anything on the screen, the contrast may
need to be adjusted.
To darken the screen, press and release y, and then press
and hold } until the display is sufficiently dark.
To lighten the screen, press and release y, and then press
and hold † until the display is sufficiently light.
2. If an error menu is displayed, follow the steps in Chapter 1.
Refer to pages B
errors, if necessary.
3. If a checkerboard cursor ( # ) is displayed, then either you
have entered the maximum number of characters in a
prompt, or memory is full. If memory is full, press y
[ ] to select
2
MEM
memory (Chapter 18).
4. If the busy indicator (dotted line) is displayed, a graph or
program has been paused; the TI-82 STATS is waiting for
input. Press Í to continue or press É to break.
5. If the calculator does not seem to work at all, be sure the
batteries are fresh and that they are installed properly. Refer
to battery information on pages B
5 through B 9 for details about specific
. .
, and then delete some items from
2:Delete
2 and B
.
3.
.