Casio CFX-9970G Приложение - Страница 6

Просмотреть онлайн или скачать pdf Приложение для Калькулятор Casio CFX-9970G. Casio CFX-9970G 15 страниц. 3. numerical calculations
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Appendix B

• Power supplied by memory back up battery while the main power supply

• Do not leave the unit without main power supply batteries loaded for long

• If the figures on the display appear too light and hard to see after you turn on

u u u u u To replace the memory back up battery

1. Press !O to turn the calculator off.

2. Making sure that you do not accidently press the o key, slide the case onto

3. Slide the back cover from the unit by pulling with your

4. Remove screw

5. Insert a thin, pointed non-metal object (such as a

Power Supply

batteries are removed for replacement retains memory contents.

periods. Doing so can cause deletion of data stored in memory.

power, adjust the tint.

* Before replacing the memory back up battery, turn on the unit and check to

see if the "Low battery!" message appears on the display. If it does, replace

the main power supply batteries before replacing the back up power supply

battery.

* Never remove the main power supply and the memory back up batteries

from the unit at the same time.

* Be sure to replace the back up power supply battery at least once 2 years,

regardless of how much you use the unit during that time. Failure to do so

can cause data in memory to be deleted.

Warning!

* Be sure to turn the unit off before replacing batteries. Replacing batteries with

power on will cause data in memory to be deleted.

the calculator and then turn the calculator over.

finger at the point marked 1.

on the back of the calculator, and

remove the back up battery compartment cover.

tooth pick) into the hole marked

old battery.

and remove the

MAI

MAIN

BACK UP

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