Texas Instruments TI-89 Manuale Utente
Appendix B: Technical Reference
951
In Case of Difficulty
In Case of Difficulty
In Case of Difficulty
In Case of Difficulty
If you have difficulty operating the TI-89 Titanium / Voyage™ 200, the following
suggestions may help you correct the problem.
suggestions may help you correct the problem.
If:
Suggested action:
You cannot see
anything on the display.
anything on the display.
Press
¥ «
to darken or
¥ |
to
lighten the display contrast.
The BATT indicator is
displayed.
displayed.
Replace the batteries. If BATT is
displayed in reverse text (
displayed in reverse text (
),
replace the batteries as soon as
possible.
possible.
The BUSY indicator is
displayed.
displayed.
A calculation is in progress. If you
want to stop the calculation, press
want to stop the calculation, press
´
.
The PAUSE indicator is
displayed.
displayed.
A graph or program is paused and
the TI-89 Titanium / Voyage 200 is
waiting for input; press
the TI-89 Titanium / Voyage 200 is
waiting for input; press
¸
.
An error message is
displayed.
displayed.
Refer to the list of error messages
in this module. Press
in this module. Press
N
to clear.
The TI-89 Titanium /
Voyage 200
does not
appear to be working
properly.
properly.
Press
N
several times to exit any
menu or dialog box and to return
the cursor to the entry line.
the cursor to the entry line.
— or —
Be sure that the batteries are
installed properly and that they are
fresh.
installed properly and that they are
fresh.