Confirming Calculator Operation:
If the display can be turned on, but it appears that the calculator is not operating properly, you can do a diagnostic
To run the
1.Turn the calculator on.
2.If you have the optional infrared printer, turn it on. Certain diagnostic information is printed during the test.
3.If possible, return to the MAIN menu (press @A).
4.To start the
5.During the test, the calculator beeps periodically and displays various patterns and characters. Watch for one of two messages that are displayed before the test automatically repeats:
If the calculator passes the
If the calculator displays followed by a
6.To halt the
a message. This results from an incorrect key being pressed, and does not mean that the calculator requires service.
7.If the calculator failed the
232 A: Assistance, Batteries, Memory, and Service
File name :