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Lighted indicator - arrow with a "1" in it - Numlock

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Started ‎03-08-2011 by
Modified ‎03-08-2011 by
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Lighted indicator - arrow with a "1" in it - Numlock

Question

Below my LCD, there is a row of indicator lights and now there is a triangular or arrow shaped one with a "1" in it that is now illuminated.   Everything seems to be normal, but if I press the U, I, O, J, K, L, M buttons, I get numbers displayed.  What is this?

Answer

This is the indicator for  the "num lock" function and means that num lock is enabled.   When enabled, some of the keys on the keyboard are mapped to provide a numeric keypad layout function for those who are used to a dedicated keypad.  In the diagram below , Item #6 is the numlock indicator, and #7 is the caps lock indicator.

 

  num lock diagram.jpg

 

 

Depending on particular model, a Fn + or Ctrl + numlock key will toggle this function on / off