Texas Instruments TI-89 Titanium User Manual page 928

Note: Correcting a "lock up"
will reset your
TI-89 Titanium
and clear its
/ Voyage 200
memory.
Appendix B: Technical Reference
If:
The TI-89 Titanium appears
to be "locked up" and will not
respond to keyboard input.
The Voyage™ 200 appears
to be "locked up" and will not
respond to keyboard input.
Suggested action:
The following action clears RAM. This
erases all data, programs, and user-
defined variables, functions, or folders.
A B
Press and hold , , and
´
press and release .
The following action clears RAM and
Flash ROM. This erases all data,
programs, user-defined variables,
functions, folders, Flash applications, and
the user data archive.
1. Remove one of the four AAA batteries.
·
2. Press and hold and
reinstall the battery.
·
3. Continue holding
five seconds before releasing.
The following action clears RAM. This
erases all data, programs, and user-
defined variables, functions, or folders.
2
Press and hold and
´
and release .
The following action clears RAM and
Flash ROM. This erases all data,
programs, user-defined variables,
functions, folders, Flash applications, and
the user data archive.
1. Remove one of the four AAA batteries.
·
2. Press and hold and
reinstall the battery.
·
3. Continue holding and
seconds before releasing.
2
. Then
d
as you
d
and for
‚
. Then press
d
as you
d
for five
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