Texas Instruments TI-89 Titanium User Manual page 926

Replacing the
Alkaline Batteries in
the Voyage 200
Replacing the
Lithium Battery in
the Voyage 200
Appendix B: Technical Reference
1. If the Voyage™ 200 is on, turn it off (press
information stored in memory.
2. Slide the protective cover over the keyboard and place the device face
down.
3. Press the notched battery cover and slide it off, away from the device.
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.
Slide the battery cover onto the device, prong side first. Gently push
the cover until the prongs snap into place.
To replace the lithium backup battery, remove the battery cover. Insert a
blunt object into the circular indentation next to the battery. Gently place a
finger on the lithium battery and pry the battery out.
Slide in a new CR1616 or CR1620 battery, positive (+) side up. Press firmly
to snap the new lithium battery into place.
2 ®
AAA alkaline battery compartment
) to avoid loss of
Lithium battery
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