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If you keep having problems when you are trying to perform operations, try the

following before assuming that there is something wrong with the calculator.

k Get the Calculator Back to its Original Mode Settings

1. In the Main Menu, select the RUN icon and press w.

2. Press ! Z to display the set up screen.

3. Highlight "Angle" and press 2 (Rad).

4. Highlight "Display" and press 3 (Norm) to select the exponential display

P.3

5. Now enter the correct mode and perform your calculation again, monitoring the

k In Case of Hang Up

P.431

k Low Battery Message

The low battery message appears whenever you press o to turn power on or

m to display the Main Menu while the main battery power is below a certain

level.

P.433

If you continue using the calculator without replacing batteries, power will auto-

matically turn off to protect memory contents. Once this happens, you will not be

able to turn power back on, and there is the danger that memory contents will be

corrupted or lost entirely.

range (Norm 1 or Norm 2) that you want to use.

results on the display.

• Should the unit hang up and stop responding to input from the keyboard,

press the P button on the back of the calculator to reset the memory. Note,

however, that this clears all the data in calculator memory.

o or m

• You will not be able to perform data communications operations once the low

battery message appears.

↓

About 3 seconds later

* The above shows the CFX-9850

GB PLUS screen.