In Case Of Difficulty - Texas Instruments TI-73 Explorer Manual Book

In Case of Difficulty

If
You cannot see
anything on the
display.
The
LOW BATTERY
message is displayed
on the Home screen.
A checkerboard
cursor (Ø) is
displayed.
The busy indicator
( © ) is displayed in the
top right corner.
An error message is
displayed.
The TIN73 does not
appear to be working
properly.
The difficulty
persists.
Appendix B: Reference Information
Suggested Action
Press - $ to darken or - # to lighten
the display contrast.
Replace the batteries as described in
Appendix C: BatteryàService and Warranty
Information.
Either you have entered the maximum
number of characters in a prompt or
memory is full. If memory is full, press
- Ÿ
4:Delete
items from memory (See Chapter 13:
Memory Management).
A calculation, graph, or program has been
paused; the TIN73 is waiting for input. Press
b to continue, or press ^ to break.
Refer to the section in this chapter entitled
“Error Messages.” Press b to clear.
Press - l as many times as needed to
exit any menu and to return to the Home
screen.
– or –
Be sure that the batteries are installed
properly and that they are fresh.
Refer to Appendix C: BatteryàService and
Warranty Information for information on
how to contact Customer Support to
discuss the problem or to obtain service.
, and then delete some
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