Operation Manual

B-4 Reference Information
8299APPB.DOC TI-82, Appendix B, English Bob Fedorisko Revised: 02/09/01 9:46 AM Printed:
02/09/01 12:44 PM Page 4 of 12
In Case of Difficulty
If you have difficulty operating the calculator, the following suggestions may help
you to correct the problem.
Handling a Difficulty
1. If an error occurs, follow the procedure on page 1
.
22. Refer to the more
detailed explanations about specific errors beginning on page B
.
6, if
necessary.
2. If you cannot see anything on the display, follow the instructions on
page 1
.
3 to adjust the contrast.
3. If the cursor is a checker-board pattern, memory is full. Press
y
ã
MEM
ä
Delete...
and delete some items from memory.
4. If the dotted bar busy indicator is displayed, a graph or program is
paused and the TI
.
82 is waiting for input.
5. If the calculator does not appear to be working at all, be sure the
batteries are installed properly and that they are fresh.