01OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 16 of 2201OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 16 of 22
Installing or Replacing Batteries
Your new TI
-
86 includes four AAA alkaline batteries. You must install them before you can
turn on the calculator. A lithium backup battery is installed in the calculator already.
ᕡ
If the calculator is on, turn it off (press
-
) to avoid loss of information stored in memory.
ᕢ
Slide the protective cover over the keyboard.
ᕣ
Holding the calculator upright, push down on the battery cover latch, and then remove the cover.
ᕤ
Remove all four old batteries.
ᕥ
Install four new AAA alkaline batteries, arranged according to the polarity (+ and
N
) diagram
inside the battery compartment.
ᕦ
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.
When to Replace Batteries
When the AAA batteries are low, a low-battery message is
displayed as you turn on the calculator. Generally, the
calculator will continue to operate for one or two weeks
after the low-battery message is first displayed.
Eventually, the TI
-
86 will turn off automatically and will
not operate until you replace the AAA batteries.
The lithium backup battery is inside the battery compartment, above the AAA batteries. It
retains all memory when the AAA batteries are low or have been removed. To avoid loss of
data, do not remove the lithium battery unless four fresh AAA batteries are installed.
Replace the lithium backup battery about every three or four years.
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