Casio fx-7400G PLUS Appendix Manuale Utente Scaricare il pdf (Pagina 7)

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Appendix

6. Wipe off the surfaces of a new battery with a

soft, dry cloth. Load it into the calculator so

that its positive (+) side is facing up.

7. Pressing down on the battery with the battery

holder, replace the screw that secures the

holder in place.

8. Replace the back cover and press o to turn power on. The main batteries

provide power to the memory while the back-up battery is removed, so memory

data is not lost.

k About the Auto Power Off Function

The calculator switches power off automatically if you do not perform any key opera-

tion for about 6 minutes. To restore power, press o.

The calculator automatically turns off it is left for about 60 minutes with a calculation

stopped by an output command (^), which is indicated by the “–Disp–” message on

the display.

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Casio fx-7400G PLUS Appendix Manuale Utente Pagina 7