Reset Function; Adjusting Screen Contrast - Sharp EL-9400 Operation Manual

B
asic operation
Guide to key use
Press to use secondary functions (in yellow).
Press to use the alphabet keys (in blue).
Example:
To select "sin":
To select "sin -1 ":
To select A:

Adjusting screen contrast

• The contrast adjust screen will appear
when pressing
.
Press to lighten contrast.
Press to darken contrast.
SET UP menu
Press
SET UP
• Contents displayed on the right side of
the screen are the current settings.
There may be differences in the results
of calculations and graph plotting
depending on the SET UP settings.

Reset function

1) When trouble occurs
Press
• Use this function (
settings to the default value or to delete all
data.
2) All RESET operation
• If trouble still occurs, proceed as follows:
1. Press the RESET switch on the back.
2. Press .
• Returns to the initial display.
CAUTION
Do not press in step 2. It will delete all data
CL
stored in the calculator.
.
]
to enter the reset mode.
or ) to return all
1 2
3