Section 5: The Display and Continuous Memory 63
Resetting Continuous Memory
If at any time you want to reset (entirely clear) the HP 15c Continuous
Memory:
1. Turn the calculator off.
2. Press and hold the = key, then press and hold the - key.
3. Release the = key, then the - key. (This convention is
represented as = / -.)
When Continuous Memory is reset,
Pr Error
(power error) will be
displayed. Press any key to clear the display.
Note: Continuous Memory can inadvertently be interrupted and
reset if the calculator is dropped or otherwise traumatized.
Adjusting the Display Contrast
The display’s readability depends on lighting, your viewing angle, and the
display contrast setting. To change the display contrast:
1. Press and hold the ´ key, then press + to darken the display
or - to lighten the display.
2. Release the ´ key, then the + or - key.
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