Sharp EL-5230, EL-5250 zALL DATA CL?z, z YES¬DEL z, z NO¬ENTERz, Automatic power off function

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
	zALL DATA CL?z
ball-point pen or similar object.
• If you cannot see the message on the	z YES¬[DEL] z
	z NO¬[ENTER]z
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.

117