The function of the numlock key is to lock numbers. When the numlock key light is on, you can use the numeric keys on the small keyboard. If the numlock key light is off, you cannot use the numeric keys on the small keyboard.
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Detailed introduction:
Num is Numeric (digital) abbreviation. lock means lock. Numlock means locking numbers.
(Lock/unlock the numpad) If the Numlock key is canceled on the keyboard, the numbers on the numpad cannot be used. When the numlock key light is on, you can use the numbers on the keypad. If it is off, you cannot use it.
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