Operation Problems - Casio CFX-9850G PLUS Service Manual & Parts Manual

9. OPERATION 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.
• Get the Calculator Back to its Original Mode Settings
1. In the Main Menu, select the RUN icon and press
2. Press to display the set up screen.
SHIFT SET UP
3. Highlight "Angle" and press
4. Highlight "Display" and press
you want to use.
5. Now enter the correct mode and perform your calculation again, monitoring the results on the display.
• In Case of Hang Up
• 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.
• Low Battery Message
The low battery message apppears whenever you press
Menu while the main battery power is below a certain level.
AC/ON
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.
(Rad).
F2
(Norm) to select the exponential display range (Norm 1 or Norm 2) that
F3
or
MENU
.
EXE
to turn power on or
AC/ON
About 3 seconds later
— 22 —
to display the Main
MENU