5. When you keep having problems…

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.

kGet the Calculator Back to its Original Mode Settings1.In the Main Menu, select the RUN icon and press w.2.Press !Zto display the Set Up Screen.3.Highlight “Angle” and press 2(Rad).

4.Highlight “Display” and press 3(Norm) to select the exponential display range (Norm 1 or Norm 2) that you want to use.

P.3 5. Now enter the correct mode and perform your calculation again, monitoring the results on the display.

kIn Case of Hang Up

 

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

P.395the P button on the back of the calculator to reset the memory. Note, however,
that this clears all the data in calculator memory.

 

kLow Battery Message

The low battery message appears while the main battery power is below a certain level whenever you press oto turn power on or mto display the Main Menu.

oor m

About 3 seconds later

P.396 If you continue using the calculator without replacing batteries, power will automatically 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.

You will not be able to perform data communications operations once the low battery message appears.

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