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E-10
Before Using the Calculator
k Removing the Hard Case
Before using the calculator, slide its hard case downwards
to remove it, and then affix the hard case to the back of
the calculator as shown in the illustration below.
k Turning Power On and Off
•Press O to turn on the calculator.
•Press 1A(OFF) to turn off the calculator.
k Adjusting Display Contrast
1. Press s.
2. Use c to select “CONTRAST:EXE”, and then press
E.
This displays the contrast adjustment screen. Use d and
e to adjust display contrast. After the setting is the way
you want, press E.
Important!
• If adjusting display contrast does not improve display
readability, it probably means that battery power is low.
Replace the battery.