Lenovo B5400 Notebook - Manual (Page 10)

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Chapter 1. Getting to know your computer
 Using the keyboard
Your computer has a numeric keypad and function keys incorporated in its
standard keyboard.
Numeric keypad
The keyboard has a separate numeric keypad. To enable or disable the
keypad, press the Numeric Lock key (Num Lock).
Function key combinations
To use the function key combinations, press the Fn key , then press one of
the function keys .
Note: The numeric lock indicator is on when the numeric keypad is enabled.
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