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E-144
4. Wipe a new battery with a dry cloth, and then load it
into the calculator with its positive
k
side facing
upwards (so you can see it).
5. Replace the battery cover and secure it in place with its
screw.
6. Perform the following key operation:
(1) O19(CLR)
(2) “All:EXE” (fc), then E
(3) E(Yes)
(4) A
• Make sure you perform the above key operation. Do
not skip it.
• Replacing the battery initializes the calculator, including
the custom shortcut keys and function shortcut keys.
See “Initializing the Calculator” (page E-3) for more
information.
FC-100V
This calculator is powered by a single AAA-size battery
(R03 (UM-4)).
A Replacing the Battery
Dim figures on the display of the calculator indicate that
battery power is low. Continued use of the calculator when
the battery is low can result in improper operation. Replace
the battery as soon as possible when display figures
becomes dim.
Even if the calculator is operating normally, replace the
battery at least once every two years.
Important!
• Removing the battery from the calculator causes
independent memory contents and values assigned to
variables to be cleared.