User Manual

E-145
1. Press 1A(OFF) to turn off
the calculator.
2. On the back of the calculator,
remove the screws and the
cover.
3. Remove the battery, and then
load a new battery with its plus
(+) and minus (–) ends facing
correctly.
4. Replace the cover.
5. 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.