Casio fx115ms User Manual
Page 17
E-15
fx-100MS
This calculator is powered by a single AA-size battery.
• 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 become dim.
• To replace the battery
1 Press
A
i
to turn power off.
2 Remove the six screws that
hold the back cover in place
and then remove the back
cover.
3 Remove the old battery.
4 Load a new battery into the
unit with its positive
k
and
negative
l
ends facing
correctly.
5 Replace the back cover and
secure it in place with the six
screws.
6 Press
5
to turn power on.
Auto Power Off
Calculator power automatically turns off if you do not
perform any operation for about six minutes. When this
happens, press
5
to turn power back on.
Screw
Screw