Appendix B: Technical Reference
922
1. If the
TI
-
89 Titanium
is on, turn it off (press
2
®
) to avoid loss of
information stored in memory.
2. Slide the protective cover over the keyboard and place the device face
down.
3. Push down on the battery cover latch, and then pull up to remove the
cover.
4. Remove all four discharged AAA batteries.
5. Install four new AAA alkaline batteries, arranged according to the
polarity (+ and -) diagram inside the battery compartment.
6. Replace the battery cover by inserting the two prongs into the two slots
at the bottom of the battery compartment, and then push the cover until
the latch snaps closed.
To replace the lithium backup battery, remove the battery cover and
unscrew the tiny screw holding the BACK UP BATTERY cover in place.
Remove the old battery and install a new WR44SW or 303 battery, positive
(+) side up. Replace the cover and the screw.
Replacing the
Alkaline Batteries in
the TI-89 Titanium
Replacing the
Lithium Battery in
the TI-89 Titanium
Lithium battery cover
AAA alkaline
batteries
Summary of Contents for Titanium TI-89
Page 9: ...Getting Started 6 TI 89 Titanium keys Ë Ì Í Ê ...
Page 34: ...Getting Started 31 2 or D 2 B u s i n e s s D B D B Press Result ...
Page 43: ...Getting Started 40 3 0 D B D D B D Press Result ...
Page 44: ...Getting Started 41 D 2 0 0 2 D B Scroll down to October and press Press Result ...
Page 58: ...Getting Started 55 Example Set split screen mode to TOP BOTTOM Press Result 3 B D ...
Page 70: ...Getting Started 67 ...
Page 175: ...Operating the Calculator 172 From the Keyboard ...
Page 456: ...Tables 453 ...
Page 527: ...Data Matrix Editor 524 ...