Chapter 1 Getting Started; Before Use - Sharp EL-9450 Operation Manual

Graphing calculator
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Chapter 1
Getting Started

Before Use

Inserting
batteries -
resetting the
memory
Note:
2
1. Open the battery cover
located on the back of the
calculator. Pull down the
notch, then lift the battery
cover up to remove it.
2. Insert the batteries, as
indicated. Make sure that
the batteries are inserted in
the correct directions.
Do not remove the label
since it contains backup
battery for memory protection.
3. Place the battery cover back, and make sure that the notch is
snapped on.
The unit will automatically start its own initialization sequence.
After a moment of "WAIT" message displayed on the screen,
the following message will appear:
PRESS [CL] TO CLEAR ALL DATA
PRESS [ON] KEY TO CANCEL
If the above message does not appear, check the direction of the
batteries and close the cover again. If this does not solve the
problem, follow the instruction described in "Resetting the
Calculator - 1. Using the RESET switch" on page 25.
4. Press C to reset the calculator's memory. The memory will
be initialized. Press any key to set the calculator ready for
normal calculation mode.
2
1

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