Sharp EL-5230 - Manual (Page 119)

117
Appendix
4. Remove one used battery by prying it out with a ball-point pen or similar
pointed object.
• Replace one battery at this step.
5. Install a new battery with the positive side (+) facing up.
6. Repeat steps 4 and 5 to replace the other battery.
7. Replace the cover and screws.
8. Press the RESET switch using the tip of a
ball-point pen or similar object.
• If you cannot see the message on the
right, repeat steps 1–7.
9. Press e.
• Do not press y. If y is pressed, the memory contents will be
cleared.
10. Adjust the LCD contrast. (See page 118.)
Automatic power off function
The calculator will turn itself off to save battery power if no key is pressed for
approximately 10 minutes.
zALL DATA CL?z
z YES¬[DEL] z
z NO¬[ENTER]z