In Case Of Difficulty - Texas Instruments TI-89 Titanium User Manual

In Case of Difficulty

Suggestions
Appendix B: Technical Reference
If you have difficulty operating the
, the following suggestions may help you correct
Voyage™ 200
the problem.
If:
You cannot see anything on
the display.
The BATT indicator is
displayed.
The BUSY indicator is
displayed.
The PAUSE indicator is
displayed.
An error message is
displayed.
The TI-89 Titanium /
Voyage 200 does not appear
to be working properly.
TI-89 Titanium /
Suggested action:
¥ «
Press to darken or
the display contrast.
Replace the batteries. If BATT is displayed
in reverse text ( ), replace the batteries
as soon as possible.
A calculation is in progress. If you want to
stop the calculation, press
A graph or program is paused and the
TI-89 Titanium / Voyage 200 is waiting for
¸
input; press .
Refer to the list of error messages in this
N
module. Press to clear.
N
Press several times to exit any menu
or dialog box and to return the cursor to
the entry line.
— or —
Be sure that the batteries are installed
properly and that they are fresh.
¥ |
to lighten
´
.
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