General Information B-3
8399APXB.DOC TI-83 Intl English, Appendix B Bob Fedorisko Revised: 02/19/01 1:12 PM Printed: 02/19/01 1:41
PM Page 3 of 14
To replace the batteries, follow these steps.
1. Turn off the calculator. Replace the slide cover over the
keyboard to avoid inadvertently turning on the
calculator. Turn the back of the calculator toward you.
2. Hold the calculator upright. Place your thumb on the
oval indentation on the battery cover. Push down and
toward you to slide the cover about ¼ inch (6 mm). Lift
off the cover to expose the battery compartment.
Note: To avoid loss of information stored in
memory, you must turn off the calculator. Do not
remove the AAA batteries and the lithium battery
simultaneously.
3. Replace all four AAA alkaline batteries at the same
time. Or, replace the lithium battery.
•
To replace the AAA alkaline batteries, remove all
four discharged AAA batteries and install new ones
according to the polarity (+ and
N
) diagrams in the
battery compartment.
•
To remove the lithium battery, place your index
finger on the battery. Insert the tip of a ball-point pen
(or similar instrument) under the battery at the small
opening provided in the battery compartment.
Carefully pry the battery upward, holding it with
your thumb and finger. (There is a spring that pushes
against the underside of the battery.)
•
Install the new battery, + side up, by inserting the
battery and gently snapping it in with your finger.
Use a CR1616 or CR1620 (or equivalent) lithium
battery.
4. Replace the battery compartment cover. Turn the
calculator on and adjust the display contrast, if
necessary (step 1; page B
.
4).
Replacing the
Batteries
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